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复哩人学理学博:}:论文
时,固载的配体可以看成是双配体,而这种双配体在某些情况下会形成饱和的没
有催化活性的配合物。因此,载体固载时要有合适的装载量,装载量太小达不到
预期的催化效果,而装载量太大,则催化剂在载体表面过于靠近形成一些不具有
催化活性的配合物而使固载催化剂的效果降低。
我们下一步的工作任务主要集中在:
1.采用更长的连接臂,使催化剂能更充分地裸露在反应液中。
2.改变配体负载量,达到最好的装载量。
3.改变不溶载体的颗粒大小、孔径大小以及在制备时的溶剂。
我们将继续探讨手性诱导的规律、金属和配体的有效组合、载体和连接臂的
选择,筛选出具有高催化活性和对映选择性的催化剂,用于氟西汀等药物的不对
称合成中。
-HCI
Fluoxetine
Pmzac瑚.Eli
Lilly
Co.
Scheme
5.26
5.4机理讨论
以二膦配体-lU还原带有卤素、酰胺、酯等官能团的p.羰基化合物,只选择
性地催化氢化p.羰基,不影响分子中的其它官能团。不对称诱导敏感性研究表明,
羰基O原子和杂原子与Ru原子同时配位分别形成五至七元螯合环,是对映面区
别中的关键因素。
对于以RuCl2P2为催化前体的反应,以苯乙酰乙酸乙酯为例,如Scheme
5.27
所示的单氢机理进行。
复旦大学理学博上论文
P
r
C
k
)
叱
氓
芷
E
》
C豇
D
m
冈●●%
候
◇u(OEt)CI(EtOH)2
D
Scheme5.27
当与氢接触时,RuCl2失去一个氯离子形成RuHCI物质A,后者可逆地形成
酮酯络合物B,然后B发生从Ru中心向配位酮的负氢转移,形成C,接着溶剂
交换出产物,形成D,D与H2结合后又得到A,完成了催化循环。
5.5本章小结
本部分实验的工作,我们合成了手性配体P.Phos,并将其负载在普通硅胶和
中孔分子筛SBA.15上,得到固载手性配体。将固载手性配体分别和两种金属
lU络合,得到不同种的固载催化剂。将固载的催化剂用于前手性酮的不对称氢
化反应,发现配体的稳定性和催化活性很好,催化剂能够重复使用10次以上。
但是,催化剂的对映选择性较差,没有获得高光学纯度的产物。
复且大学理学博上论文
笫六章实验部分
温度计未经校正:所有熔点均用Tiele形管进行测定;红外光谱由IR.408型
或AVATAR360FT-IR红外光谱仪测定;核磁共振谱由JNM.PMX60Si(JEOL)型
或BrukerAMX-400或BRUKER
AVAVCE
DMX
500型核磁共振仪测定:EI.MS
由HP.5989A型质谱仪测定:高分辨质谱由Finnigan
MAT型仪器测定;元素分
析由240.C(PerkinElmer)型仪器测定:HPLC分析是由Waters
2487和
Perkin.Elmer
785A液相色谱仪测定;CJC分析由Agilent
6890气相色谱仪测定。
无水溶剂处理如下:正辛烷、乙醚、石油醚、苯、甲苯、THF加Na/二苯甲
酮回流变蓝蒸出;甲醇、乙醇由镁引发后蒸出;二氯甲烷、三乙胺、异丙醇、
DMF、DMAP加Call2回流蒸出:吡啶加NaOH回流蒸出。
快速柱层析用10-40
pan的国产硅胶,石油醚沸程为60-90℃。薄层层析使
用GF254高效板;采用紫外、碘缸、茚三酮的乙醇溶液或高锰酸钾的碳酸氢钠水
溶液加热显色。
1.Q一酮酸酯类化合物26的合成
在5
lIll
THF中加入镁屑(1.2
g,50.0
mm01)、卤代烷(5.0ret001)和一粒碘,
THF
加热引发后,控制反应的速度以微沸为准,滴加卤代烷(45.0ret001)的100ml
溶液,反应完毕后冷却待用。在另一反应瓶中加入草酸二乙酯(6.8
g,50.0
mm01),
注入80
ml
THF,冷却至.78℃,缓慢滴加刚制备的格氏试剂溶液,滴加时间2
h,
滴加完毕后再反应l
h,缓慢升至室温,反应过夜。加入10
ml水猝灭反应,旋
干THF,加入50
ml乙酸乙酯和20
ml水萃取,分出有机层并用饱和食盐水洗涤,
无水Na2S04干燥后,旋干,柱层析分离得到产品。
26b,黄绿色液体,产率52%;
1H
NMR(400
MHz,CDCl3,TMS):6
1.19(t,,=7.0
Hz,
3H),1.29(t,.,=7.1Hz,3H),2.92(q,J=7.0Hz,2I-I),
4.18(q,j_-7.1
Hz,2H).
复日大学理学博士论文
26c,黄绿色液体,产率43%
1HNMR(400№CDCl3,TMS):6
nz,2H).
0.92化t,=7.1
2
Uz,
3H),1.25一1.38帆2H),1.37化J
7.1
7.1
Hz,3H),
1.58一1.68(m,2H),2.83(t,,=7.0Hz'2H),4.33(q,J=
26f,黄绿色液体,产率46%
1H
NMR(400Mnz,CDCl3,TMS):6
1.16(d,J=6.9
nz,6H),1.37化J=7.2Hz,3H),3.20-3.35(m,1H),
4.35“,j-_7.1
nz,2H).
2.化合物25的合成
将Na(2.3
g,100.0
ret001)溶于36
ml
EtOH中,升
温蒸干乙醇,冷却后,加入甲苯至能搅拌,升温蒸馏
至沸点105℃,以完全除去乙醇,冷却后,加入65“
乙醚,接着依次加入草酸--7,酯(14.6
g,100.0
mm01)
和丁二酸乙酯(17.4
g,100.0
ret001),室温搅拌过夜。
加入50IIll水,分出水层。水层用浓盐酸酸化后,乙醚萃取,有机层依次用水、
饱和NaHC03溶液和饱和食盐水洗涤,无水Na2S04干燥后,旋干,得到黄色油
状物24.69,产率90%。
1H
NMR(400
MHz,CDCl3,TMS):6
1.20.1.35(m,9H),2.72.2.75(m,1
n),3.05-3.09
(In’1n),3.95n,=6.9,In),4.15—4.38(m’6H).
3.化合物27的合成
在反应瓶中加入化合物25(24.6
g,90
ret001),注入33
ml浓盐酸和66nll水,加热回流4h,减压蒸干,得到
固体,加入20
ml硝基乙烷搅拌洗涤,抽滤,固体用4
皿硝基乙烷洗涤。滤液冷却到0℃结晶,过滤,收集
固体,合并得到浅黄色粒状固体11.2
g,产率85%,m.P.114-116"C。
1H
NMR(400
MHz,CDCl3,TMS):62.58化.,=7.1
Hz,2H),3.29化J=7.1
Hz,2H),
11.2(brs,2H).
复旦火学理学博七论文
4.酮酸酯化合物26d、269的合成
在反应瓶中加入化合物27(2.9
g,20.0
ret001),注入20“乙醇,滴加1
ml
浓硫酸,加热回流过夜。旋干乙醇,加入30ml乙酸乙酯萃取,有机层依次用饱
和NaHC03溶液和饱和食盐水洗涤,无水Na2S04干燥后,旋干得到粗产品,减
压蒸馏提纯。
26d,无色粘稠液体,产率86%,馏分138.140℃/12
mmHg.
1H
NMR(400MHz,CDCl3,TMS):8
1.27(t,J=7.1
Hz,3H),1.38(t,J=7.1I-Iz,3H),2.68@J=6.4
Hz,
2H),3.16(t,J=6.4nz,2H),4.14(q,J=7.1
Hz,2H),
4.33(q,,=7.1
nz,2H).
269,无色粘稠液体,产率82%,馏分13
1-132"C/12
mmHg.
1H
NMR(400MHz,CDCl3,TMS):6
2.56化J=7.1
Hz,2H),3.45(t,J=7.1
nz,2H),3.66(s,31-I),3.87(s,
3H).
5.化合物26e的合成
将Na(1.2
g,50.0
ret001)溶于20ml
EtOH中,全溶
后,冷至室温,迅速加入十八酸乙酯(15.6
g,50.0
mm01)和草酸--7.酯(29.2
g,200.0
ret001),搅拌10
mitt,旋干乙醇,接着进行减压蒸馏除去过剩的草酸
二乙酯。
在残留物中,加入冰醋酸(3.3
10
g,55.0
mm01),激烈搅拌下加入50“水,搅拌
rain,用乙醚萃取,有机层用饱和食盐水洗涤,无水Na2S04干燥后,旋干,
减压蒸馏得到产品15.4
g.馏分170-172"C/12mmHg,产率75%。
1H
NMR(400MHz,CDCl3,TMS):60.87(t,J=7.3
Hz,3H),1.10-1.48(in,34H),
1.75一1.89(m,2H),3.31(t,J=6.9Hz,1U),4.12(q,J=7.3Hz,2H),4.18(q,,=7.3
Hz,2H).
复旦大学理学博十论文
6.化合物29的合成
0℃下,在100ml氯仿中加入对溴苯甲醚(18.6
g,100.0
mm01)和2,2.二氯.2.乙氧醋酸乙酯(22.0
g,110.0
ret001),
分批加入舢C13(20.0舀150.0
mm01),继续搅拌2h,加
入50
ml水,分出有机层,有机层依次用饱和NaHC03
溶液和饱和食盐水洗涤,无水Na2S04干燥,旋干得到白
色固体22.6
g,产率79%,in.P.69.71℃。
1H
NMR(400
MHz,CDCl3,TMS):6
1.39化/=7.0Hz,314),3.88(s,3H),4.38(q,d
=7.1
Hz,2H),6.89@,=9.1
Hz,1H),7.66(dd,d=9.1,2.3nz,1H),7.95(d'd=2.3
I-Iz.110.
7.磺酸酯28的合成
在反应瓶中加入醇(20.0mm01)和20
Inl吡啶,冷却至10℃,搅拌下分批
加入对甲基苯磺酰氯或甲磺酰氯(22.0
ret001),室温下反应过夜,结束后将反应
液倒入三倍于其体积的碎冰中,搅拌至冰溶化后,若析出固体抽滤得产品,若为
油状物,则加入50ml乙酸乙酯萃取,分出有机层并依次用稀盐酸、饱和NaHC03
溶液和饱和食盐水洗涤,无水Na2S04干燥后,旋干得到产品。
代表产物的表征:
28a,白色固体,m.P.32-33℃,产率75%
E]
1H
NMR(400
MHz,CDCl3,TMS):6
1.29化,=7.2
nz.
310,2.45(s,3I-I),4.10“,-,=7.2
Hz.2I-I),7.34(d,J=g.2
nz,211),7.79(d,l,=8.2
nz,2H).
28b,无色粘稠液体,产率65%
1H
NMR(400
MHz,CDCl3,TMS):60.96化J=7.1
Hz.
310,1.38-1.52(屿2H),1.70-1.82(m,2H),3.01(S,3IO,
4.23化j_-6.4
Hz,2H)
28e,黄色油状物,产率82%
1H
NMR(400
Mnz,CDCla,TMS):6
2.05.2.1
0(IIl,210,
2.75化J=7.5
nz,2H),2.98(s,3H),4.22化J=6.4
Hz.
210,7.1
5-7.35(鸥5H).
I∞
复旦大学理学博l:论文
28f,黄色油状物,产率45%
1H
NMR(400
MHz,CDCl3,TMS):82.49(s,3H),4.65(d,
J=6.4
=16.0
Hz,2H),6.28(北,昌16.0,6.3
Hz,1H),6.72(d,J
Hz,1H),7.25-7.40(m,7H),7.81(d,J=8.7
Hz,
2H).
8.化合物28d的合成
0℃下,在30
ml
CH2C12中加入苯甲醇(2.2
g,20.0
mm01),
分批加入对甲基苯磺酰氯(4.2
g,22.0
ret001),然后滴an-
乙胺(4.0
g,40.0
mm01)和DMAP(0.12
g,1.0
mm01)的
lOml
CH2C12溶液,继续搅拌3
h,加入20IIll水,分出
有机层并用饱和食盐水洗涤,无水Na2S04干燥后,旋干得到白色固体4.1
g,产
率79%,m.P.57-58℃。
1H
NMR(400
MHz,CDCl3,TMS):62.45(s,3H),5.03(s,2H),7.33.7.42(m,7H),
7.8l(d,,=8.7Hz,2I-I).
9.化合物28e的合成
在30ml乙醚中加入丙炔醇(1.1
g,21.0
g,22.0
g,20.0
ret001)和KOH(1.2
mm01),冰盐浴冷却,分批an*对甲基苯磺酰氯(4.2
ret001),继续搅拌lh,缓慢升至室温继续反应2
h,
加入20IIll水,分出有机层并用饱和食盐水洗涤,无水Na2S04干燥后,旋干得
到黄色油状物3.4
g,产率69%。
1H
NMR(400MHz,CDCl3,TMS):6
2.52(s,3H),2.62(t,J=2.5nz,114),4.65(dd,
J=16.0,2.7
Uz,11-D,4。68(dd,J=16.0,2.7
Hz,1n),7.35(d,J=8.2Hz,2I-D,7.78
(d,j-_8.7
Hz,2H).
10.化合物32的合成反应条件
在50
ml二氯甲烷溶液中,加入丙酮酸乙酯(2.3
g,20.0
mm01),然后滴加
DBU(0.30
g,4.0
mm01)和Et3N(O.86
g,8.5
ret001)的lOml二氯甲烷溶液,室
温搅拌0.5h,加入卤代烷烃(10.5ret001)的10ml二氯甲烷溶液,反应过夜,
反应液依次用稀盐酸、饱和NaHC03溶液和饱和食盐水洗涤,无水Na2S04干燥,
过滤浓缩,柱层析得到异特窗酸类化合物。
101
复旦人学理学博士论文
4-Allyloxy-2-methyl-5-OXO-2’5-dihydrofuran-2-carboxylic
acid
ethyl
ester(32a):
yellow
oil,68%.
IR(CH2C12,cm。1):1654,1742,1786,3103.
1H
NMR(400Mnz,CDCl3,TMS):61.28(t,J=7.1
Hz,3H),1.71(s,3I-I),4.22(q,,=7.1
Hz,2H),4.48(也
J=6.0
17.3
Hz,2H),5.34(d,-厂=10.5
I-Iz,lit),5.41(d,J=
I-Iz,1n),5.93-6.03(m,1H),6.10(S,1n).
‘3C
NMR(100
MHz,CDCl3,TMS):6
14.0,23.1,62.4,72.0,82.4,117.6,1
19.4,130.9'
146.0,166.3,168.9.
HRMS①SI):CRied.For
ClIHl405+:226.0841.Found:226.0834.
4-Methoxy-2-methyl-5-oxo-2,5-dihydrofuran-2·carboxyfic
yellowoil,80%.
acid
ethyl
ester(32b):
IR(CH2C12,cm‘1):1657,1743,1789,3108.
1H
NMR(CDCl3,400
MI-Iz,ppm):61.30化,=7.1
Hz,3H),
1.73(s,3H),3.81(s,3H),4.24“,J=7.0I-Iz,2H),6.1l(s,
tH).
13c
NMR(100
169.0.
MHz,CDCl3,ppm):6
14.1,23.3,58.4,62.6,82.6,1
16.8,147.5,166.4,
HRMS(ESD:CRied.for
CgHl605+:200.0685.Found:200.0676.
4-Ethoxy-2-methyl-5-oxo-2,5-dihydrofuran-2-carboxyficacid
ethyl
ester(32c):
yellow
oil,75%.
IR(CH2C12,cm"1):1654,1
742,1788,3
1
04.
1H
NMR(400MHz,CDCl3,TMS):6
1.30
n,=7.1Hz,
3v0,1.43化J=7.1Hz'3H),1.72(S,3H),3.98(q,l,=
6.9
Hz’2H),4.22(q,J=6.9Hz,2H),6.19(s,lI-0.
13C
NMR(100
Mnz,CDCl3,TMS):6
13.9,14.0,23.3,62.5,67.4,82.5,116.8,146.5,
166.6,169.1.
HRMS(ESD:CRied.for
CIoHl405+:214.0841.Found:214.0829.
102
复旦大学理学博:t论文
4-Benzyloxy-2-methyl-5-OXO-2,5-dihydrofuran-2-earboxylic
acid
ethyl
white
solid,76%,m.P.70—72
oC.
ester(32d)
IR(CH2C12,cm。1):1454,1499,1562,1650,1740,
1786,3103.
1H
NMR(400MI-Iz,CDCl3,TMS):6
1.26化,=7.1
Hz,3H),1.69(s,3H),4.20(q,J=7.1I-Iz,2r0,
5.01(S’2H),6.11(S,IH),7.33-7.42(m,58).
nC
NMR(100MHz,CDCl3,TMS):6
14.1,23.2,62.6,73.2,82.5,118.2,127.8,128.8,
134.4,146.2,166.4,169.0.
HRMS(ESI):Calcd.for
C
15H1605+:276.0998.Found:276.0972.
4-Butoxy·2-methyl-5-oxo-2,5-dihydrofuran一2-carboxylic
acid
ethyl
yellowoil,37%.
ester(32e):
IR(CH2C12,cm‘1):1653,1743,1790,3105.
1H
NMR(400
MHz'CDCl3,TMS):6
0.95化,=7.3
Hz'3H),1.29化J=7.1
Hz'3H),1.40-1.50(m,2H),
1.71(s,1H),1.72—1.82(m,2H),
3.90@,=6.4
Hz,2H),4.21(q,J=7.3nz,2H),6.05(S,tn).
13C
NMR(100
MHz,CDCl3,TMS):6
13.8,14.1,19.1,23.3,30.6,62.5,71.5,82.5,
1
16.7,146.7,166.6,169.1.
HRMS(ESI):Calcd.for
C12Hls05+:242.1
154.Found:242.1147.
4-Hexadecyloxy·2·methyl-5-oxo-2,5一dihydrofuran·2-earboxylie
acid
ethyl
ester
(320:
yellow
oil,24%.
IR(CH2C12,cm。1):1654,1741,1797,3105.
1H
7.3
NMR(400MHz,CDCl3,TMS):60.88化,=
Hz,3H),1.0-1.45(m,29H),1.72-1.80(m,
2H),1.71(s,3H),3.89(t,J=6.8Hz,2H),
4.22(q,J=7.3
Hz,2H),6.05(S,IH).
‘3C
NMR(100MHz,CDCl3,TMS):6
14.1,14.2,22.8,23.5,25.9,27.0,29.3,29.4,
29.5,29.6,29.7,29.8,29.9,32.0,33.1,33.2,34.3,62.5,71.8,82.5,116.7,146.7,
166.6。169.2.
HRMS(ESI):Calcd.for
C24H420,4:4
1
0.3032.Found:4
10.3012.
103
复旦人学理学博士论文
4-Benzoylmethoxy-2一ethyl-3-methyl-5-exo·2’5-dihydrofuran一2-carboxylate
ethyl
acid
ester(329):
white
solid,79%,m.P.56-580C.
IR(CH2C12,cm‘1):1450,1598,1655,1705,1743,
1786,3103.
1H
NMR(400Ⅻz'CDCl3,TMS):6
1.24心,=
nz,31-I),1.67(s,38),4.17(q,,=6.9
Hz,2H),
az,
6.9
5.22(d,,=16.0
nz,2H),5.30(d,/=16.0I-Iz,214),6.12(s,1H),7.49化J=7.5
2H),7.62n,=7.2Hz,1n),7.91(d,,=6.9
nz,2H).
nC
NMR(100Mnz,CDCl3,TMS):6
13.9,22.9,62.5,72.9,82.5,119.5,127.9,129.0,
133.8,134.3,145.6,166.2,168.5,191.9.
HRMS(EsI):Calcd.for
C16H160::304.0947.Found:304.0927.
4-(2-Ethoxy-2-oxoethoxy)-methoxy-2-methyl-5-oxo-2'5-dihydrofuran-2-
carboxylie
acid
ethyl
ester(32h):
yellow
oil,83%.
IR(CH2C12,cm吐):1655,1742,1788,3104.
1H
NMR(400
MHz,CDCl3,TMS):6
1.22-1.42
(m,6H),1.72(s,3H),4.23(q,J=7.2Hz,2n),
4.26(q,J=7.2
HZ,2H),4.56(d,J=15.6
Hz,
1n),4.62(d,-,=15.6az,1n),6.15(s,1n).
13C
NMR(100lVlnz,CDCl3,TMS):6
14.0,14.2,23.1,61.8,62.7,67.5,82.4,119.2,
145.7,165.7,166.8,168.6.
HRMS(ESO:Caicd.for
C12H1607+:272.0896.Found:272.088
1.
4-(2一Bromoethoxy)-2-methyl-5-oxo-2,5-dihydrofuran-2-carboxylie
ester(32i):
Yellow
oil.1
6%.
acid
ethyl
IR(CH2C12,clIl‘1):1655,1743,1789,3103.
1H
NMR(400MHz’CDCl3,TMS):6
1.30化J=6.8
Hz,3H),1.73(S,3H),3.62化J=6.4
Hz,2H),
4.18.4.30(甄4H),6.17(s,lH).
13C
NMR(100
165.9,168.8.
MHz,CDCl3,TMS):6
14.1,23.2,27.1,62.6,70.7,82.5,118.1,145.9,
I舛
复旦人学理学博:I:论文
HRMS(ESI):Calcd.for
CioHi3BrOs+:291.9946.Found:291.9959.
4-(3-Bromopropoxy)-2-methyl-5-OXO-2,5-dihydrofuran-2-earboxylie
acid
ethyl
ester(32j):
yellow
oil,1
6%.
IR(CH2C12,cm"1):1654,1743,1790,3104.
1H
7.1
NMR(400MHz,CDCl3,TMS):61.29(t,J=
Hz,3H),1.73(s,3H),2.30-2.42(m,2H),3.58
(t,,=6.4Hz,2H),4.07(t'-厂=6.4
Hz,2H),4.24(q,
J=7.3
13C
Hz,El-I),6.16(s,lhO.
NMR(100Mnz,CDCl3,TMS):6
14.1,23.3,29.4,31.6,62.7,68.9,82.6,117.4,
146.4,166.3,169.0.
HRMS(ESI):Calcd.for
C1iHlsBr05+:306.01
03.Found:306.0060.
4-(4一Bromobutoxy)一2-methyl-5-oxo-2,5-dihydrofuran-2-earboxylie
ester(32k):
yellow
oil,l
7%.
acid
ethyl
IR(CH2C12,cm"1):1654,1745,1788,3103.
1H
NMR(400MHz,CDCl3,TMS):6
1.29
m
J
=7.1
Hz,3H),1.73(s,3H),1.90-2.10(m,4H),
3.46(t’J=6.2Hz,El-I),3.96(t,,=6.0Hz,2H),
4.22(q,J2
7.1
Hz,2H),6.10(s,114).
13C
NMR(100MHz,CDCl3,TMS):6
14.1,23.3,27.2,29.0,33.2,62.6,70.7,82.5,
1
17.1,146.5,166.4,169.0.
HRMS(ESD:Calcd.for
C12H17BrOs+:320.0259.Found:320.0295.
1,4-Bis(5-ethoxyearbonyl-5-methyl-2-oxo-2,5-dihydrofuran-3-y1)-oxybutane
(32k’):
white
solid,13%,m.P.105.106
oC.
IR(CH2C12,cm"1):1653,173
1,1790,3
103.
1H
NMR(400MHz,CDCl3,TMS):6
1.28(t,,=7.1
I-Iz,6H),1.72(s,6H),1.97
(s,4H),3.98(s,4H),4.23(q,,=7.0
4H),6.12(s,2H).
Hz,
105
复日.大学理学博:{:论文
13C
NMR(1
00
MHz,CDCl3,TMS):6
14.1,23.3,25.3,62.6,71.0,82.5,1
1
7.4,146.2,
166.4,1
68.9.
HRMS(ESD:Calcd.for
C20H26010+:426.1
526.Found:426.1
513.
11.化合物34的合成反应条件
在50血二氯甲烷溶液中,加入丙酮酸乙酯(2.3
g,20.0
ret001),然后滴加
DBU(0.30
g,4.0
mm01)和Et3N(0.86
g,8.5
mm01)的10ml二氯甲烷溶液,室
温搅拌O.5h,加入磺酸酯(10.5
ret001)的10IId二氯甲烷溶液,反应过夜,反
应液依次用稀盐酸、饱和NaHC03溶液和饱和食盐水洗涤,无水Na2S04干燥,
过滤浓缩,柱层析得到异特窗酸类化合物。
4-Ethoxy-2-methyl·5-oxos-2.5一dihydrofuran一2-earboxylie
acid
ethyl
ester(34a):
见32c,54%.
4-Butoxy-2-methyl-5-OXO·2,5-dihydrofuran一2一carboxylic
acid
ethyl
ester
04b):
见32e,63%.
4-(3-Phenylpropoxy)-2一methyl-5·oxo-2,5一dihydrofuran-2·carboxylic
ester(34c):
yellow
oil,59%.
acid
ethyl
IR(CH2C12,gill。1)1
654,1742,1789,3
103.
1H
NMR(400
MHz,CDCl3,TMS):6
1.26化
J=7.3
Hz,3H),1.68(s,38),2.05·2.18(弛
2H),2.76化J=7.8
Hz,28),
3.88化J=6.4ttz,2H),4.20(q,J=6.8
Hz,2H),6.06(s,1H),7.1
5-7.30(m'58).
13C
NMR(100Mnz,CDCl3,TMS):6
14.1,23.3,30.0,31.8,62.6,70.6,82.6,1
17.3,
126.2,128.5,128.6,128.7,140.9,146.5,166.6,169.0.
HRMS(ESD:Calcd.for
C17H2005+:304.131
1.Found:304.1299.
106
复且大学理学博.I:论文
4-Benzyloxy-2-methyi·-5-·oxo-2’5·-dihydrofuran-2·-earboxylie
acid
ethyl
ester
见32d。56%.
4-(Prop-2-ynyloxy)·-2·-methyl—·5·oxo-2,5··dihydrofuran-2-carboxylic
ester
acid
ethyl
04e):
yellow
oil,68%.
IR(CH2C12,cm"1):1655,1740,1786,2125,3105,
3279.
1H
NMR(400MHz,CDCl3,TMS):6
1.29化,=7.3
I-h,3H),1.76(s,38),2.62(t,J=2.5Uz,18),
4.23(q,,=7.1
Hz,28),4.65“Id,.,=16.0,2.7I-h,18),4.68(dd,J=16.0,2.7
Hz,
IH),6.34(S,lH).
13C
NMR(1
OO
MHz,CDCl3,TMS):6
1
4.0,23.0,58.7,62.6,75.8,77.7,82.6,1
1
9.5,
144.9,166.1,168.6.
HRMS(ESI):Calcd.for
ClIHl205+:224.0685.Found:224.0671.
4-Cinnamyloxy-2-methyi-5-oxo-2'5·dihydrofuran·-2-earboxylie
acid
ethyl
ester
040:
yellow
oil,3
1%.
IR(CH2C12,cm‘1):1649,1742,1786,3103.
1H
NMR(400
MHz,CDCl3,TMS):6
1.25(t,-,=
7.1
nz,38),1.71(s,38),4.19“,J=6.8
Hz,18),7.25-7.40(m,58).
Hz,
28),4.62(d,.,=6.4Hz,28),6.14(s,18),
6.30(dr,,=16.0,6.0
Hz,1H),6.70(d,-,=16.0
13C
NMR(100
MHz,CDCl3,TMS):6
14.2,23.6,62.6,72.0,82.6,117.7,121.8,126.8,
128.5,128.8,135.1,135.8,146.1,166.5,169.1.
HRMS(ESI):Calcd.for
C17H1805+:302.1
154.Found:302.1
164.
107
复旦大学理学博十论文
4-sec-Butoxy-2-methyl一5-oxo-2,5-dihydrofuran-2-carboxylic
acid
ethyl
ester
(349):
yellow
oil,44%.
IR(CH2C12,cml):1649,1743,1789,3103.
1H
NMR(400
MHz,CDCl3,TMS):60.90.1.00(m,38),
1.20—1.38(鹏6H),1.60·1.72(m,2H)'1.72(s,3H),
4.03-4.15(m,lid,4.23(q,J=7.2Hz,2n),6.01(s,ln).
培C
NMR(1
00
Mnz,CDCl3,TMS):6
9.6,14.0,18.3,23.2,28.4,62.4,79.7,81.3,
1
16.6,145.4,167.1,169.1.
HRMS
0三sD:Calcd.for
C12H1805+:242.1
154.Found:242.1144.
4-(Hexan-2-yloxy)·-2··methyl-5··oxo-2,5·-dihydrofuran-2-carboxylic
acid
ethyl
ester
(34h):
yellow
oil,22%.
IR(CH2C12,cm’1):1654,1742,1793,3105.
1H
NMR(400
MI-Iz,CDCl3,TMS):60.91(t,.,=6.8
Hz,3H),1.00(d,J=6.4nz,3H),1.15-1.50(m,9H),
1.7l(s,3H),3.73-3.75(m,1H),4.23(q,/=6.6Hz,2H),6.05(s,IH).
13C
NMR(100
MHz,CDCl3,TMS):6
14.1,14.2,16.8,20.0,23.3,32.4,35.4,62.5,
76.8,81.2,116.7,146.8,166.5,169.2.
HRMS(ESI):Calcd.for
C14H2205+:270.1
467.Found:270.1447.
4-(2-·Chloroethoxy)-·2-methyl-5-oxo·-2,5·-dihydrofuran·-2-earboxylic
ester(34i):
yellow
oil,45%.
acid
ethyl
IR(CH2C12,cm’1):1656,1743,1789,3104.
1H
NMR(400
MHz'CDCl3,TMS):6
1.30化J=7.3
Hz,3H),1.73(S,3n),3.81
G,=6.2rk,21-i),4.18以J
=6.9
13C
nz,210,4.25(q,J=7.3Hz,2H),6.19(S,IH).
NMR(100MHz,CDCl3,TMS):6
14.0,23.2,40.9,62.7,71.0,82.5,1
1
8.2,145.9,
166.0,168.7.
HRMS(ESD:Calcd.for
C!oHl3C105+:248.0452.Found:248.0454.
108
复且大学理学博-J:论文
l’2-Bis(5-ethoxycarbonyl-5-methyl-2一OXO-2,5-dihydrofuran-3-y1)oxyethane(34j):
yellow
oil,35%.
IR(CH2C12,cm。1):1651,1743,1789,3104.
1H
NMR(400MHz,CDCl3,TMS):6
1.28
(t,J=7.1
Hz,6H),1.73(S,6H),4.22(q,.,=
7.1
¨C
Hz,4H),4.31(S,4H),6.29(s,2H).
NMR(100MHz,CDCl3,TMS):6
14.0,23.1,62.7,69.3,82.6,118.4,145.9,166.1,
168.7.
HRMS(ESI):Calcd.for
C18H220lo+:398.1213.Found:398.1206.
1,4-Bis(5·-ethoxycarbonyl-5·-methyl·-2-oxo-2,5·-dihydrofuran-3-y1)··oxybutane
(34k):
见32k’,42%.
12.化合物37的合成反应条件
在50砌二氯甲烷溶液中,加入丙酮酸乙酯(2.3
DBU(0.30
g,4.0
mm01)和Et3N(O.86
g,8.5
g,20.0
mm01),然后滴加
mm01)的10IIll二氯甲烷溶液,室
温搅拌O.5h,加入酰氯(10.5ret001)的lOlnl二氯甲烷溶液,反应过夜,反应
液依次用稀盐酸、饱和NaHC03溶液和饱和食盐水洗涤,无水Na2S04干燥,过
滤浓缩,柱层析得到异特窗酸类化合物。
4-Acetoxy-2-methyl-5-oxo-2’5-dihydrofuran-2-carboxylie
acid
yellow
oil,55%.
ethyl
ester(37a):
IR(CH2C12,cm‘1):1648,1747,1786,3131.
1H
NMR(400
MHz,CDCl3,TMS):81.30化.,=7.1
Hz,3H),
1.77(s,3H),2.33(s,3H),4.24(q,J=7.1
Hz,2H),7.32(s,IH).
13C
NMR(100
MHz,CDCl3,TMS):6
14.0,20.9,22.5,62.8,83.2,132.9,137.6,165.7,
166.8,167.8.
Hl洲S(ESI):Calcd.for
CloHl206+:228.0634.Found:228.0629.
109
复旦大学理学博士论文
4-Pivaloyloxy-2-·methyl·-5-oxo··2,5··dihydrofuran·-2··carboxyfic
acid
ethyl
ester
(37b):
yeHow
oil,74%.
IR(CH2C12,cm。1):1647,1758,1
775,1794,3
108.
1H
NMR(400№CDCl3,TMS):6
1.22.1.38(m,12H),
1.75(s,3H),4.25(q,J=7.4
Hz,2n),7.25(s,in).
nC
NMR(100
MHz,CDCl3,TMS):6
14.0,22.6,26.9,39.5,62.8,83.1,132.9,138.1,
165.7,168.0,174.7.
HRMS(ESD:CalcA.for
C13H1806+:270.1
1
03.Found:270.1089.
4-(2一Phenylacetoxy)-2-methyl-5-OXO-2,5-dihydrofuran-2·earboxylic
ester(37c):
yellow
oil,54%.
acid
ethyl
IR(CH2C12,cm。1):1648,1739,1789,3110.
1H
7.3
NMR(400MHz,CDCl3,TMS):6
1.28化-,=
Hz'3rI),1.74(S,3H),3.88(S,2H),4.21(q,J
=7.1
I-Iz,2H),7.25(S,1H),7.29-7.40(m,5H).
13C
NMR(100
MHz,CDCl3,TMS):6
14.0,22.5,40.8,62.9,83。3,127.8,128.9,129.5,
132.1,133.1,138.8,165.6,167.8,167.9.
HRMS(ESI):Calcd.for
C16H1606+:304.0947.Found:304.095
1.
4-(4一Ethoxy-4-oxobutanoyioxy)-2·methyl-5-oxo-2,5-dihydrofuran-2-carboxylie
acid
ethyl
ester(37d):
yellow
oil,48%.
IR(CH2C12,cm‘1):1648,1736,1794,3131.
1H
NMR(400MHz,CDCl3,TMS):61.20.1.35
(m,6H),1.76(s,3n),2.71化J=6.9nz,2n),
2.9l化J=6.9Hz,2H),4.16(q,J=6.9
Hz,2n),4.25(q,J=7.3
nz,2H),7.33(s,
ln).
13C
NMR(100MUz,CDCl3,TMS):5
14.0,14.1,22.5,28.6,29.1,61.0,62.8,83.2,
133.0,137.5,165.5,167.8,168.8,171.7.
FIRMS(EsD:CalcA.for
C14H1808+:3
1
4.1002.Found:31
4.1
000.
IIO
复口.大学理学博’l:论文
4-(6-Ethoxy-6-oxohexanoyioxy)-2-methyl-5-OXO-2,5·dihydrofuran-2-carboxylic
acid
ethyl
ester(37e):
yellow
oil,39%.
IR(CH2C12,cm‘1):1648,1735,1794,3134.
1HNMR(400MHz,CDCl3,TMS):6
1.20.1.45
(m,6H),1.65-1.75(m,4H),1.77(S,314),2.35
(t,-厂=6.9Hz,2H),2.62(1,,=6.9Hz,2H),
4.14(q,J=6.9Hz,2H),4.24(q,J=7.4l--Iz,2H),7.30(S,1H).
13C
NMR(1
00
MHz,CDCl3,TMS):8
14.0,14.2,22.6,23.9,24.2,33.7,33.8,60.5,
62.9,83.2,132.8,137.7,165.8,167.9,169.4,173.2.
HRMS(ESI):Calcd.for
c16H2203+:342.1315.Found:342.1302.
4-(Buta-1'2一dienylperoxy)-2一methyl一5-oxo-2,5-dihydrofuran-2-carboxylic
acid
ethyl
ester(370:
yellow
oil,79%
IR(CH2C12,cm‘1)1643,1752,1794,3131.
1H
NMR(400
MHz,CDCl3,TMS):8
1.30化,=
7.0
Hz,3H),1.78(S,3H),1.98(d,J=7.0Hz,3H),
4.2l(q,,=7.1
I-Iz,2I-I),6.00(d,J=15.4
nz,II-I),7.20—7.32(m,ll-I),7.35(s,II-1).
13C
NMR(100MHz,CDCl3,TMS):8
14.0,18.4,22.5,62.7,83.2,120.4,132.4,137.6,
150.1,162.0,165.9,167.9.
HRMS(EsI):Calcd.for
c12H1406+:254.0790.Found:254.0792.
4一(3一Phenylpropa·1’2-dienylperoxy)·2-methyl-5-oxo-2,5·dihydrofuran一2-carboxy
iicacid
ethyl
ester(379):
white
solid,50%,m.P.96·98
oC.
IR(CH2C12,cm"1):1450,1498,1578,1631,1747,
1790,3136.
1H
NMR(400
MHz,CDCl3,TMS):6
1.31化,=
7.1
Hz,3H),1.81(s,3H),4.24(q,,=7.1Hz,2H),
6.60(d,,=16.0Hz,110,7.38—7.50(m,4I-0,7.58(dd,J=7.8,2.3Hz,2H),7.88(d,J
=16.0
Hz,1H).
13C
NMR(100
MHz)CDCl3,TMS):6
14.1,22.6,62.9,83.4,115.3,128.7,129.2,
131.5,132.4,133.6,137.7,149.0,162.8,166.0,168.0.
复旦大学理学博上论文
HRMS(ESI):Calcd.for
C17H1606+.3
1
6.0947.Found:3
1
6.0932.
4一(4-Chlorobenzoyloxy)-2-methyl一5-oxo-2,5-dihydrofuran-2-carboxyfic
ester(37h):
white
solid,58%,m.P.75-760C.
acid
ethyl
IR(CH2C12,cm"1):1454,1649,1745,1784,3
139.
1H
NMR(400
MHz,CDCl3,TMS):6
1.31@.,=
7.1
Hz,3H),1.82(s,3H),4.26(q,J=6.9
Hz,2H),
7.48(s,1H),7.49(dd,J=8.7,2.3nz,2H),8.11(dd,,=8.7,2.3Hz,2hO.
13C
NMR(100MUz,CDCl3,TMS):6
14.6,23.0,63.0,83.4,126.1,128.5,130.2,
132.8,137.7,141.3,161.9,165.6,167.9.
HRMS
fEs0:Calcd.for
C15H13C106+:324.0401.Found:324.0397.
4-(4-Methoxybenzoyloxy)-2-methyi-5-oxo·-2,5--dihydrofuran-2-earboxylie
ethyl
acid
ester(37i):
white
solid,89%,m.P.1
16-118"C.
IR(CH2C12,cm‘1):1
458,1
509,1607,1
646,
1735,1750,1785,3134.
1H
NMR(400
MHz,CDCl3,TMS):6
1.29化J
=7.1
nz,3H),1.79(s,3H),3.88(s,3H),
4.23(q,,=7.1
nz,2H),6.96(dd,J=6.9,2.3nz,2H),7.43(s,1H),8.11(dd,J=6.9,
2.3
Hz,2H).
13C
NMR(100
Mnz,CDCl3,TMS):6
14.1,22.7,55.7,62.9,83.3,114.2,119.8,132.3,
132.8,137.8,162.3,164.7,166.0,168.1.
HRMS(ESO:Calcd.for
Ci6I-11607+:320.0896.Found:320.0885.
Bis(5-ethoxycarbonyl-5-methyl-2-oxo-2,5-dihydrofuran-3-y1)phthalate
07j):
yellow
oil,49%.
IR(CH2C12,cm‘1):1
448,1598,1649,1755,1794,
3130.
1H
NMR(400
Mnz,CDCl3,TMS):6
1.24化J=
7.1
Hz,6I-I),1.74(s,6H),4.19(q’J=7.0
I-Iz,4H),
Hz,4H),7.88
7.47(s,2H),7.67(她J=5.5,3.2
(d也J=5.4,3.1Hz,4H).
112
复巨大学理学博.1:论文
13C
NMR(100MHz,CDCl3,TMS):6
14.0,22.5,62.9,83.4,129.6,130.4,133.0,
133.7,137.4,162.9,165.3,167.7.
HRMS(ESI):Calcd.for
C24H22012+:502.1
111.Found:502.1075.
4一Tosyloxy-2-methyl-5-oxo-2,5-dihydrofuran-2-carboxylic
acid
ethyl
white
solid,88%,m.P.56-57
oC.
ester(37k):
IR(CH2C12,cm‘1):1
390,1448,1
493,1
597,1651,
1758,1797,3111.
1H
NMR(400MHz,CDCl3,TMS):6
1.27
m
J=7.3
Hz,3I-0,1.72(s,3H),2.47(s,3I-1),
4.21(q,J=6.9Hz,2H),7.19(S,IH),7.38(d,J=8.2nz,El-I),7.84(d,J=8.7
nz,
2H).
¨C
NMR(100
Mnz,CDCl3,TMS):6
14.0,21.9,22.4,63.1,82.9,128.6,130.3,131.3,
134.7,137.5,146.9,164.3,167.2.
HRMS(ESI):Calcd.for
C15H1607S十:340.0617.Found:340.0625.
4·Methylsulfonyloxy·2·methy!-5-oxo-2,5-dihydrofuran-2-carboxylic
ester(371):
white
solid,77%,m.P.43-44
oC.
acid
ethyl
IR(CH2C12,cm‘1):1380,1653,1749,1794,3
1H
111.
Hz,
NMR(400
MHz,CDCl3,TMS):6
1.30(t,-,=7.3
3H),1.78(s,3H),3.37(s,3H),4.26(q,J=7.3
I-lz,2H),
7.20(S,1n).
13C
NMR(100MHz,CDCl3,TMS):6
14.2,22.3,39.6,63.2,83.2,135.9,137.3,164.8,
167.0.
HRMS(ESI):Calcd.for
C9H1207S+:264.0304.Found:264.0300.
4-Triisopropylsilyloxy-2-methyl-5·-oxo-2,5--dihydrofuran-2·-carboxylie
acid
ethyl
ester(37m):
yellow
oil,65%.
IR(CH2C12,cm。1):1654,1744,1789,3101.
1H
NMR(400
MHz,CDCl3,TMS):6
1.1
1(d,J=7.3
Hz,18H),1.20-1.35(m,6H),1.70(s,3H),4.21(q,J=
7.1
Hz,2H),6.23(s,1H).
113
复旦人学理学博士论文
13C
NMR(100MHz,CDCl3,TMS):6
12.3,14.0,17.7,22.8,62.4,81.5,123.8,143.3,
168.0,1
69.0.
HRMS(ESI):Calcd.for
C17H3005Si+:342.1
863.Found:342.1
857.
13.化合物33的合成反应条件
在50IIll二氯甲烷溶液中,加入丙酮酸乙酯(2.3
DBU(0.30
g,4.0
g,20.0
ret001),然后滴加
ret001)和Et3N(0.86
g,8.5
mm01)的10lIll二氯甲烷溶液,室
温搅拌O.5h,加入三甲基氯硅烷(1.1
g,10.5
ret001)的10IId二氯甲烷溶液,反
应过夜,反应液依次用稀盐酸、饱和NaHC03溶液和饱和食盐水洗涤,无水Na2S04
干燥,过滤浓缩,柱层析得到异特窗酸类化合物。
4-Hydroxy-2-methyl-5-oxo-2,5一dihydrofuran-2-earboxyfie
acid
ethyl
ester(33a):
yellow
oil,85%.
IR(CH2C12,cm"1):1658,1740,1782,3109,3317.
1H
NMR(400
Mnz,CDCl3,TMS):6
1.22(t,J=7.1
nz,
3H),1.65(S,3I-I),4.14(q,-,=7.1
Sz,214),6.19(s,In).
BC
NMR(100MHz,CDCl3,TMS):6
14.1,22.9,62.6,83.2,119.4,143.0,169.0,
169.3.
HRMS(ESI):Calcd.for
C8H1005+:1
86.0528.Fotmd:186.0521.
2-Methyl-4,5-dioxo-tetrahydrofuran一2·carboxylic
acid
ethyl
ester(33a,):
yellow
oil.
1H
NMR(CDCl3,400
MHz,ppm):81.29化J=7.1
nz,3r0,
I-k,
1.86(s,3H),2.76他,=19.7Hz,lh0,3.18@J=19.7
IH),4.25(q,J=7.1
Hz,2H).
4-Hydroxy-2··ethyl-3—·methyl-5··oxo-2,5··dihydrofuran-2·-earboxylate
ester(33b):
yellow
oil,45%.
acid
ethyl
IR(CH2C12,cm"1):1739,1778,3355.
1H
NMR(400
Mnz,CDCl3,TMS):6
0.88化J=7.1
nz,
3H),1.29化J=7.1Hz,3H),1.75—1.95(m’4H),2.15·2.30
(m’IH),4.23(q,J=7.3
Hz'2H),6.04(brS,in).
13C
NMR(100MHz,CDCl3,TMS):6
7.0,8.9,14.1,27.1,62.4,88.0,130.1,138.6,
114
168.4,169.7.
HRMS(ESI):Caled.for
CloHl405+:214.0841.Found:214.0828.
4-Hydroxy-2-butyl-5-oxo-3-propyl一2,5一dihydrofuran-2-carboxylate
acid
ethyl
ester(33c):
yellow
oil,79%.
IR(CH2C12,cm"1):1736,1
754,3342.
1H
NMR(400
MHz,CDCl3,TMS):6
0.82(t,,=6.9
Hz,
3H),0.88(t,J=6.8I-Iz,3H),1.05-I.30(m,7H),1.45-1.61
(m,2H),1.70-1.82(m,1n),2.10—2.30(m,3H),
4.13(q,/=7.1
Hz,2H),7.10(br
S,1H).
13C
NMR(100
MI-Iz,CDCl3,TMS):6
13.8,14.0,14.2,19.9,22.5,24.9,26.5,33.6,
62.4,87.8,133.8,138.8,168.6,170.2.
HRMS(ESI):Calcd.for
C14H2205+:270.1467.Found:270.1457.
4-Hydroxy-3·(2-ethoxy-2-oxoethyl)一2-(3-ethoxy-3-oxopropyl)-5-oxo-2,5一dihydrof
uran-2·carboxylate
acid
ethyl
ester(33d):
yellow
oil,70%.
IR(CH2C12,cm。1):1
736,1783,33
19.
1H
NMR(400
MHz,CDCl3,TMS):61.05.1.30(m,9I-I),
2.10-2.35(m,3H),2.40-2.50(m,1H),3.34(d',=18.8
I--Iz,l岣,3.42(d,J=18.8
Hz'IH),3.95-4.20(m,6H).
”C
NMR(100MHz,CDCl3,TMS):6
14.0,14.0,14.1,27.9,29.2,30.4,61.0,62.3,
62.9,85.2,121.9,141.4,167.5,167.9,170.7,172.4.
HRMS(ESI):Calcd.for
C16l-12209+:358.1264.Found:358.1269.
14.化合物40的合成反应条件
在50
ml二氯甲烷溶液中,加入o【.酮酸酯(2.3
g,20.0
mm01),然后滴加DBU
(O.30
g,4.0
mm01)和Et3N(0.86
g,8.5
rnm01)的lOmI二氯甲烷溶液,室温搅
拌0.5h,加入卤代烷(10.5mm01)的10
ml二氯甲烷溶液,反应过夜,反应液
依次用稀盐酸、饱和NaHC03溶液和饱和食盐水洗涤,无水Na2S04干燥,过滤
浓缩,柱层析得到异特窗酸类化合物。
115
复日.大学理学博士论文
4-Benzyloxy-2-ethyl-3·methyl一5-oxo-2,5-dihydrofuran-2一carboxylate
acid
ethyl
ester(40a):
yellow
oil,75%.
1R(CH2C12,cm"1):1
395,1457,1498,1684,1
736,
1774,3033.
1H
NMR(400MHz,CDCl3,TMS):60.68化.,=7.3
Hz,3H),1.24(t,J=7.1Hz,3H),1.74(s,3H),
1.75-1.83(m,1H),2.10-2.20(m,1H),4.16(q,J=7.1
nz,2H),5.25(d,J=11.9
In),5.33(d,J=1
1.9
Hz,1H),7.30—7.45(m,5H).
13C
nz,
NMR(100MHz,CDCl3,TMS):6
6.7,9.3,14.0,26.9,62.4,72.4,86.9,128.6,
136.3,140.3,140.5,167.6,168.2.
HRMS(ESI):Calcd.for
C
17H2005+:304.1
31
1.Found:304.1
304.
4-(2一Methylallyloxy)-2一ethyl-3一methyl-5-oxo-2,5-dihydrofuran-2·carboxylate
acid
ethyl
ester(40b):
yellow
oil,64%.
IR(CH2C12,cm‘1):1685,1736,1775,3082.
1H
NMR(400
MHz,CDCl3,TMS):60.86化J=7.3
nz,314),1.28(t,J=7.1Hz,3H),1.79(s,3H),1.90(s,
3H),1.85-1.93(m,IH),2.20-2.30(m,1n),
4.21(q,J=7.1Hz,2H),4.68(d,J=1
1.9
FIz,1H),4.74(d,J=1
1.9
az,lH),4.95(S,
tH),5.02(s,1H).
13C
NMR(100
MHz,CDCl3,TMS):6
6.9,9.3,13.9,19.3,26.9,62.3,73.9,86.8,
l
14.2,138.3,140.6,157.9,167.3,168.3.
HRMS(ESI):Calcd.for
C14H2005+:268.13l
I.Found:268.1310.
4-Benzyloxy-2··butyl··5-oxo-3·-propyl-2,5·-dihydrofuran-2-carboxylate
acid
ethyl
ester(40c):
yellow
oil,72%.
IR(CH2C12,cmd):1465,1498,1673,1736,1771,
3033.
‘H
NMR(400MI-lz,CDCl3,TMS):6
0.80—0.90(驰
6r0,0.90-1.10(m,2H),1.15-1.30(m,5H),1.35·1.45
(巩2H),1.75-1.82(m'18,1.95-2.21(m’3H),
116
复旦人学理学博一L论文
4.14(q,J=7.0Hz,2H),5.27(d,J=11.9
Hz,IH),5.36(d,J=1
1.9
Hz,1H),
7.25-7.40(m,5H).
13C
NMR(100MHz,CDCl3,TMS):6
13.9,14.0,14.2,20.3,22.5,24.6,26.6,33.3,
62.3,72.1,86.5,128.5,128.8,136.4,140.8,143.9,167.8,168.6.
HRMS(ESI):Calcd.for
C21H2805+:360.1
937.Found:360.1
934.
4-Allyloxy-2-butyl-5-oxo-3-propyl-2,5·dihydrofuran-2-earboxylate
acid
ethyl
ester(40d):
yellowoil,75%.
IR(CH2C12,cm‘1):1465,1673,1736,1774,3085.
1H
NMR(400MHz,CDCl3,TMS):6
0.90化.,=7.3
HZ,
3H),0.95(t,J=7.8
Hz,3H),1.19-1.40帆7I-I),
1.50-1.60(m,28),1.80-1.90(m,1H),
2.15-2.27(m,2H),2.28—2.40(m,1N,4.19(q,J=7.1
Hz,2t0,4.75_4.85(In’2H),
5.25(d,-,=11.9
Hz,1H),5.36(d,‘,=20.5H乏1H),5.90-6.02(m,1H).
13C
NMR(100MHz'CDCl3,TMS):6
13.8,14.0,14.2,20.4,22.5,24.9,26.6,33.5,
18.9,133.1,141.0,142.8,167.6,168.6.HRMS(ESI):Calcd.for
62.3,70.9,86.4,1
C17H2605+:3
10.1780.Found:310.1776.
4-Benzyloxy-3-(2一ethoxy-2-oxoethyl)-2-(3-ethoxy-3-oxopropyl)-5-OXO-2,5·dihydro
furan-2-carboxylate
acid
ethyl
ester(40e):
yellow
oil,65%.
IR(CH2C12,cm。1):1681,1736,1778,3020.
1H
NMR(400MHz,CDCl3,TMS):6
1.15.1.33(m,
9H),2.12-2.25(m,3I-I),2.45-2.55(m,IH),3.19(d,J
=17.0
Hz,1H),3.30(d,J=17.0Hz,1H),
4.05-4.25(m,6H),5.34(d,‘,=1
1.9
Hz,2H),5.41(d,,=1
1.9
Hz,2H),7.28-7.45(m,
5H).
13C
NMR(100
MHz,CDCl3,TMS):6
14.1,14.1,14.2,27.8,29.2,29.8,60.8,61.6,
62.8,72.4,85.1,128.4,128.6,128.7,133.8,136.0,143.1,166.2,167.5,168.0,172.0.
HRMS(ESI):Calcd.for
C23H2809+:448.1733.Found:448.1696.
117
复旦大学理学博上论文
4-Allyloxy-3一(2-methoxy-2-oxoethyl)-2一(3一methoxy-3-oxopropyl)-5一oxo-2’5-dihyd
rofuran-2-carboxylate
acid
methyl
ester(400:
yellowoil,48%.
IR(CH2C12,cm"1):1680,1739,1778,3002.
1H
NMR(400
MHz,CDCl3,TMS):62.20—2.40(鸥
3H),2.51-2.59(m,1H),3.31(也J=16.5
Hz,1H),
3.48(d,.,=16.5
Hz,1H),3.67(s,at0,3.70(S,3H),
3.76(s,3H),4.80-4.95(m,2H),5.28(d,J=10.1
Hz,1H),5.37(d'J=17.4Hz,1H),
5.85—6.00(m,ln).
13C
NMR(100
MI-Iz,CDCl3,TMS):6
27.7,29.2,29.5,52.0,52.5,53.4,71.2,84.9,
1
19.3,132.4,132.6,143.1,165.9,168.0,168.6,172.5.
HRMS(EsD:Calcd.for
C16H2009+:356.1
1
07.Found:356.1
090.
4-Butoxy-2-butyl-5-oxo-3-propyi-2,5-dihydrofuran-2-carboxylate
acid
ethyl
ester
(409):
yellow
oil,49%.
IR(CH2C12,cm。1):1672,1737,1774.
1H
NMR(400MI-IZ,CDCl3,TMS):6
0.85—0.98(m,
914),1.20—1.38(m,7H),1.40一1.48(m,2H),1.50-1.60
(m,2H),1.60—1.75(m'2I-I),1.80—1.90(m,1H),
2.15-2.26(m'2H),2.28—2.35(m,In),4.20(q,J=7.2ttz,2H),4.28
G
J=6.9
2H).
13C
Hz,
NMR(100
MHz,CDCl3,TMS):6
13.8,13.9,14.0,14.3,18.9,20.5,22.5,24.9,
26.6,32.0,33.6,62.3,70.5,86.4,141.6,141.8,167.7,168.7.
HRMS(ESD:Calcd.for
C18H300s+:326.2093.Found:326.2098.
4-Tosyloxy-2-Ethyi-3-methyl一5-oxo-2,5-dihydrofuran-2·earboxylate
acid
ethyl
ester(4帖):
yellowoil,69%.
IR(CH2C12,cm。1):1459,1493,1597,1686,1743,1793,3057.
1H
NMR(400
MHz’CDCl3,TMS):60.88心J=7.3
Hz,3H),
1.29化J=7.1Hz,3H),1.96-2.04(1n'1H),2.05(s'3H),
2.25-2.34(m’l
n),2.46(S,3H),4.26(q,J=6.9
Hz'2H),
7.37(山,=8.2
Hz'2H),7.87(也J=8.2
Hz'2H).
118
复旦人学理学博|论文
13C
NMR(100MHz,CDCl3,TMS):6
6.8,10.7,14.1,21.9,27.0,62.9,87.6,128.7,
130.1,132.2,134.3,146.4,152.1,165.0,167.1.
HRMS(ESI):Calcd.for
C17H2007S+:368.0930.Found:368.0901.
4-Tosyloxy-2-Butyl-5-oxo-3-propyl-2,5-dihydrofuran一2-earboxylate
acid
ethyl
ester(40i):
yellow
oil,56%.
IR(CH2C12,cm"1):1383,1466,1597,1674,1743,1791.
1H
NMR(400MHz,CDCl3,TMS):60.92化,=6.9
Hz,
3n),0.97Q
J=6.9
Hz,3I-I),1.2-1.42(m,8I-I),1.55-1.70
(m,2H),1.91-1.99(m,1H),2.20-2.35(m,2H),2.47(s,3H),
4.24(q,J=6.9Hz,2H),7.38(d,J=7.8Hz'2H),7.91(d,-,=7.8Hz’2H).
13C
NMR(100MHz,CDCl3,TMS):6
13.9,14.0,14.1,19.8,21.8,22.5,24.7,27.4,
33.2,62.9,87.3,128.7,129.9,132.6,134.6,146.3,155.3,165.3,167.4.
HRMS(ESD:Calcd.for
C21H2807S+:424.1
556.Found:424.1
562.
Bis(5-butyl-5-ethoxyearbonyl-2-oxo-4·propyl·2,5-dihydrofuran-3-yi)phthalate
(40j):
yellow
oil.41%.
IR(CH2C12,cm"。):1466,1597,1689,1741,1790,
3371.
1H
NMR(400
MHz’CDCl3,TMS,TMS):6
0.85-1.00(m,12H),1.25·1.45(m,14H),1.50—1.62
(m,4H),1.90-2.03(m,2I-I),2.25-2.39(m,4H),
2.40-2.50(m,2H),4.26(q,J=7.1
Hz,4H),
7.73(dd,,=5.4,3.2Hz,2H),8.01(dd,,=5.5,3.3
Hz,2H).13CNMR(100
Mnz,
CDCl3,TMS):6
14.0,14.1,14.2,20.5,22.3,25.4,27.4,33.9,62.4,87.6,130.2,130.3,
132.6,135.4,152.0,163.2,165.8,168.8.
HRMS(ESI):Caled.for
C36I-146012+:670.2989.Found:670.298
1.
119
复旦人学理学博士论文
15.化合物41和42的合成反应条件
在50lnl二氯甲烷溶液中,加入a.酮酸酯(1.2
g,10.0
mm01)和2.甲氧基.5.
溴.苯基酮酸乙酯(2.8
(O.86&8.5
g,10.0
ret001),然后滴加DBU(0.30
g,4.0
mm01)和Et3N
ret001)的lOml二氯甲烷溶液,室温搅拌0.5
h,加入卤代烷(10.5
mm01)的10Inl二氯甲烷溶液,反应过夜,反应液依次用在稀盐酸、饱和NaHC03
溶液和饱和食盐水洗涤,无水Na2S04干燥,过滤浓缩,柱层析得到异特窗酸类
化合物。
4-Allyioxy-2-methyi-5-oxo-2,5-dihydrofuran一2-earboxylie
acid
ethyl
ester(41a)
见32a,59%.
4-Allyloxy-2一(5一bromo-2-methoxyphenyl)-5一oxo-2,5·dihydrofuran-2-carboxylate
acid
ethyl
ester(42a):
yellow
oil,1
0%.
IR(CH2C12,cm"1):1487,1595,1655,1747,1789,3
104.
1H
NMR
000
Mnz,CDCl3,TMS):61.24(t,J=7.1
Hz,
3H),3.83(s,3H),4.23(q,J=6.9
Hz,2H),4.50-4.60(她
2H),5.37(d,,=1
1.9
Hz,114),5.45(d,J=17.0
Hz,1n),
5.95-6.05(m,1H),6.43(s,114),6.82(d,J=8.2Hz,lH),7.44—7.52(m,2H).
13C
NMR(100MHz,CDCl3,TMS):8
14.1,56.1,62.7,72.2,83.6,113.1,113.2,116.2,
1
19.7,127.3,129.5,131.0,133.5,146.1,156.0,166.2,167.8.
HRMS(ESD:Calcd.for
ClTHl7Br06+:396.0209.Found:396.01
88.
4-Benzyloxy·-2--methyl·-5--oxo-2,5··dihydrofuran-2-carboxylic
acid
ethyl
ester
(41b):
见32d,65%.
120
复旦大学理学博:I:论文
4-Benzyloxy-2-(5-bromo-2·methoxyphenyl)-5-OXO·2,5-dihydrofuran-2-earboxylat
e
acid
ethyl
ester(42b):
yellow
oil,1
1%.
IR(CH2C12,cm。1):1487,1594,1654,1747,1787,3105.
1H
NMR(400
Mnz,CDCl3,TMS):6
1.20(t,,=7.1
Hz,
3H),3.79(s,3H),4.18(q,J=7.1Hz,2H),5.02(d,J=
11.9
Uz,1H),5.12(d,,=1
1.9
Hz,1H),6.38(S,IH),
6.78(d,J=8.7Hz,1H),7.21(d,J=2.3Hz,1H),7.35—7.42(m,5H),7.43(dd,J=8.7,
2.3
¨C
Hz,IH).
NMR(100
Mnz,CDCl3,TMS):6
14.1,56.1,62.7,73.3,83.5,113.1,116.6,127.3,
127.9,128.9,129.0,129.7,133.6,134.3,146.3,156.1,166.1,167.9.
HRMS(ESI):Calcd.for
Cl
IHl405+:446.0365.Found:446.0369.
4··Benzyloxy-2··ethyl-3-methyl--5-oxo-2,5-dihydrofuran·-2·-earboxylate
acid
ethyl
ester(4lc):
见40a,60%.
4-Benzyloxy·2·(5·bromo-2-methoxyphenyl)-3-methyl-5-oxo-2,5-dihydrofuran-2-c
arboxylate
acid
ethyl
ester(420:
yellow
oil,6%.
IR(CH2C12,cm。1):1486,1593,1677,1737,1774,3102.
1H
NMR(400MHz,CDCl3,TMS):6
1.20化-,=7.1
Hz,
3H),1.82(s,3H),3.77(S,3H),4.20(q,J2
7.1
Hz,2H),
5.30(d,J=1
1.9
I-Iz,1H),5.39(d,j_-1
1.9
Hz,1H),
6.76-6.83(m,2H),7.30-7.42(m,5H),7.43(dd,,=8.7,2.3
Hz,I
H).
13C
NMR(100MHz,CDCl3,TMS):6
10.8,14.2,56.1,62.5,72.6,85.2,113.1,113.5,
126.3,128.8,128.9,130.8,136.0,139.8,141.9,156.7,166.9,167.4.
HRMS(ESI):Calcd.for
CllHl405+:460.0522.Found:460.0538.
12l
复旦人学理学博士论文
4-Benzyloxy-2-butyl一5一oxo-3-propyl-2,5-dihydrofuran-2-carboxylate
acid
ethyl
ester(4ld):
见40c,70%.
16.化合物51的合成
在反应瓶中加入化合物33a(1.9
g,10.0
ret001)、Mg(ClO)4
(O.68
g,3.0
mm01),NBS(1.9
g,10.5
mm01),注入30越
CH3CN,室温反应过夜,加入20
IIll水,分出有机层,
有机层用20
Inl饱和食盐水洗涤,无水Na2S04干燥,过
滤浓缩,得到化合物2.44
g,黄色油状物,产率92%。
IR(CH2C12,cmu):1266,1370,1447,1671,1699,1748,1785,2988,331
1.
1H
NMR(400MHz,CDCl3,TMS):61.23化J=7.3
Hz,3H),1.73(s,3H),4.22“,J
Hz,2H).
=7.1
¨C
NMR(100
MHz,CDCl3,TMS):6
14.0,21.0,63.3,84.8,113.8,141.5,166.9,
167.0.
HRMS(ESD:Calcd.for
CsH9BrOs+:263.9633.Found:263.9621
17.化合物52的合成
在反应瓶中加入化合物51(244
mg,1.0
ret001)、卤代烷烃(1.05
rnm01)、
K2C03(166mg,1.2
ret001),注入lO砌丙酮,TLC跟踪反应,反应完后旋干丙
酮,加入20
fnJ乙酸乙酯,依次用稀盐酸、饱和NaHC03溶液和饱和食盐水洗涤,
无水Na2S04干燥,过滤浓缩,得到产物。
帕syloxy)-3-bromo一2-methyb5-OXO-2,5-dihydrofuran-2-carboxylic
ester(52a):
Yellow
oil,89%.
acid
ethyl
IR(CH2C12,cml):1079,1392,1447,1596,1656,1750,
1799,2986,3
103.
1H
NMR(400UHz,CDCh,TMS):6
1.28
m.,=7.1
Hz,
38),1.78(s,3H),2.46(s,3H),4.25(q,J=7.3Hz,2H),
122
复旦大学理学博士论文
7.37(d,,=8.3Hz,2H),7.90(d,,=8.2Hz,2H).
13C
NMR(100
MHz,CDCl3,TMS):814.0,20.8,22.0,63.6,85.1,128.9,130.2,132.3,
136.8,137.8,146.8,163.0,165.4.
HRMS(ESI):Calcd.for
C15H15BrS07+:4
17.9722.Found:417.9720.
4-(Benzyloxy)-3一bromo-2-methyl-5-oxo-2,5·dihydrofuran-2-carboxylic
acid
ethyl
ester(52b)
Yellow
oil,92%.
IR(CH2C12,cmu):l
394,l448,l590,l
678,l749,
2986,3102.
1H
7.0
NMR(400
MI-Iz,CDCl3,刚S):6
1.22化J=
Hz,3H),1.68(s,3H),4.18(q,J=7.0Hz'2H),
5.46(d,J=10.6nz,1n),5.49(d,J=10.6
Hz’
1n),7.25-7.45(m,5H).
13C
NMR(100
MHz,CDCl3,TMS):8
14.0,21.1,63.0,72.7,84.0,121.6,128.5,128.8,
129.1,135.6,143.0,164.9,166.7.
HRMS(ESI):Calcd.for
ClsHlsBrOs+:354.0103.Found:354.0088.
4-(Ethoxy)-3一bromo-2一methyl一5-oxo-2,5-dihydrofuran-2-carboxylie
ester(520
Yellow
oil,83%.
acid
ethyl
IR(CH2C12,cm‘1):1461,1660,1746,1780,2924,3382.
1H
NMR(400MHz,CDCl3,TMS):81.22化,=7.1
Hz,
3H),1.32化-,=7.3Hz,3H),1.68(S,3H),
4.17(q,J=7.3
Hz,2H),4.46(q,.,=7.3Hz,2H).
13C
NMR(100
MHz,CDCl3,TMS)8
14.0,14.2,21.I,63.0,67.4,83.9,118.2,142.9,
164.9,166.9.
HRMS(ESI):Calcd.for
C10Hi3BrOs+:291.9946.Found:291.9958.
18.芳基硼酸的制备
白色针状晶体,32%,m.P.211.212
oC.
1H
NMR(400MHz,CDCl3,TMS):86.83(brs,2H),
7.1
9-7.42(m,3H),7.80-8.05(m,2H).
123
复且大学理学博上论文
白色晶体,45%,m.P.218-219
oc.
1H
NMR(400
MHz,CDCl3,TMS):6
2.39(s,3H),6.87
I-Iz,
陬.s,2H),7.18(d,J=7.1
Hz,2H),7.79(d,J=7.1
2H).
19.Suzuki偶联反应的一般条件
在反应瓶中加入化合物52(1.0
ret001)、ArB(OH)2(1.5mm01)、Pd(OAe)2(11.O
mg,5
ret001%)、PPh3(26.0
mg,10
ret001%)和Na2C03(212
mg,2.0
mm01),用N2
流冲约5mill后,注入5ml水和10mlTHF,升温至60℃,反应18h,加入30
rnl
乙酸乙酯,反应液依次用稀盐酸、饱和NaHC03溶液和饱和食盐水洗涤,无水
Na2S04干燥,过滤浓缩,柱层析得到产物。
3-(4一Methoxyphenyl)-2-methy!-5-oxo-4一(tosyloxy)-2,5一dihydrofuran-2-carboxylat
e
acid
ethyl
ester(53a)
Yellow
oil,88%.
IR(CH2C12,cmq):1387,1446,1515,1605,1645,
1745,1788,2927,3105.
1H
NMR(400
MHz,CDCl3,TMS):6
1.25(t,/=6.9
Hz,3H),1.78(s,3H),2.40(s,3I-I),3.83(s,3H),4.26
(q,‘,=6.9az,2H),6.88(d,J=8.7Hz,2r0,
7.26(d,/=7.3
Hz,2H),7.53(d,J=8.7nz,2r0,7.87(d,,=7.8
Hz,2H).
13C
NMR(100
MI-Iz,CDCl3,TMS):6
14.0,21.7,21.8,55.5,63.3,84.0,114.6,119.4,
128.8,129.8,130.3,131.4,133.1,146.1,150.3,161.9,165.6,168.0.
HRMS(ESI):Calcd.for
C22Hz20sS+:446.1
035.Found:446.1039.
4-(Benzyloxy)-3一(4-methoxyphenyl)-2-methyl-5-oxo-2’5_-dihydrofuran-2-carboxyl
ateacid
ethyl
ester(53b):
Yellow
oil,75%.
IR(CH2C12,cm_):1383,1459,15
1
5,1606,1638,
1741,1764,2937,3102.
1H
NMR(400
MHz'CDCl3,TMS):61.14化,=7.3
Hz,3H),1.75(s,3I-I),3.82(s'3I-I),4.14(q'J=7.2
Hz,2H),5.45他,=13.8Hz,2I{),5.48他J=13.8
Hz,1n),6.89(也-,=9.2nz,2H),
124
复旦火学理学博士论文
7.20-7.50(m,5H),7.57(d,-厂=9.2Hz,2H).
13C
NMR(100
MHz,CDCl3,TMS):6
13.9,22.0,55.4,62.8,72.5,83.4,1
14.3,121.6,
128.5,128.6,129.7,136.4,138.8,139.6,16.6,167.7,169.1.
HRMS(ESI):Calcd.for
C22H2206+:382.1416.Found:382.1405.
4-Ethoxy-3-(4-methoxyphenyl)-2-methyl-5·OXO-2,5-dihydrofuran-2·carboxylate
acid
ethyl
ester(53e):
Yellowoil.89%.
IR(CH2C12,cm叫):1374,1446,15
16,1570,1607,
1639,1748,1766,2982,3103.
1H
NMR(400MHz,CDCl3,TMS):61.19(t,J=7.0
Hz,3I-I),1.34化,=7.3
Hz,3I-I),1.77(s,3H),3.82(s,
3H),4.20(q,J=7.3Hz,2H),4.43(q,j_-7.3Hz,2H),
6.92(d,J=6.9Hz,2H),7.60(d,,=6.9Hz,2H).
13C
NMR(100
unz,CDCl3,TMS):6
14.0,15.6,21.9,55.4,62.8,67.1,83.3,114.3,
121.8,129.6,138.5,139.2,160.5,167.7,169.3
HRMS(ESI):Calcd.for
C17H2006+:320.1
260.Found:320.1272.
4-(Tosyloxy)-3-phenyl-2-methyl-5-oxo·2,5-dihydrofuran-2-carboxylie
ester(53d):
Yellow
oil,74%.
acid
ethyl
IR(CH2Ci2,cm‘1):1259,1389,1447,1459,1597,1650,
1
746,1792,2924,3059.
1H
NMR(400
MHz,CDCl3,TMS):61.27化J=7.1
Hz’
3I-I),1.76(s,3H),2.39(s,3H),4.29(q,-厂=6.9Hz’2H),
7.39(d,J=8.7
Hz,2H),7.35-7.50(m,5H),7.85(d',=8.7Hz’2n).
13C
NMR(100
MHz,CDCl3,TMS):6
14.0,21.3,21.8,63.4,84.3,127.1,128.2,128.7,
128.8,129.1,129.8,146.2,150.8,165.4,167.7.
HRMS(ESI):Calcd.for
C2lH2007S+:416.0930.Found:416.0931.
20.化合物70的合成
在100ml干燥的DMF中加入化合物2,6.二甲基吡啶
(14.6
g,100.0
mm01),90
mm01)和新制的NaOMe(10.8
g,200.0
oC搅拌8h,加入60mL乙酸乙酯和50
Illl
125
复旦大学理学博十论文
水,分出有机层,有机层用水(3×50
ral)洗涤,无水Na2S04干燥,过滤浓缩,
得无色液体12.4
g,产率89%。
1H
NMR(400
MHz,CDCl3。TMS):6
3.9
1(s,6H),6.29(dd,J=8.2,2.7Hz,2H),7.48
(t4
J=8.2,2.3
nz,1H).
21.化合物71的合成
在50IIll乙腈中加入2,6-二甲氧基吡啶70(6.5
g'30.0
ret001)和NBS(5.3
g,30.0
mm01),升温回流,反应2
h,
反应物冷却,旋干乙腈,加入50“CH2C12和30
IIll水,
分出有机相,用饱和食盐水洗涤有机相,无水Na2S04
干燥,过滤浓缩,得黄色油状物6.5
g,产率99%。
1H
NMR(400
MHz,CDCl3,TMS):6
3.91(S’3H),3.98(s,3H),6.23他,=8.2
Hz,
1H),7.62(d,,=8.2nz,1H).
22.化合物73的合成
在N2保护下,在低温反应瓶中加入二异丙胺(5.1
g,50.0
mmoi)和80
ml
mol/l,17.8
THF,在.78
oC条件下,滴加正丁基锂<2.8
m1),制得二异丙胺基锂(LDA),在LDA中依
次滴加2,6-二甲氧基一3-溴吡啶71(1
0.8
g,50.0
ret001)
和二苯基氯化膦(11.0
g,50.0
mm01),在低温.78oC下搅拌2
h,自然升温至室温。
搅拌过夜后加入1Inl水终止反应,蒸干溶剂,再加入水和二氯甲烷萃取得到有
机相,无水Na2S04干燥,过滤浓缩,加入甲醇洗涤析出12.0
g白色固体,熔点
147.1490C,收率60%。
1H
NMR(400Mnz,CDCl3,TMS):63.82(s,3H),3.90(s,31-I),5.71(d,J=2.3
nz,
l
I-I),7.25-7.38(m,1
0n).
23.化合物74的合成
冰水冷却下,在100
ml丙酮中,加入2,6-二甲氧基-3..溴
4二苯基膦73(8.0
g,20.0
mm01),滴加35%H202
20
ml,
同时剧烈搅拌。滴加完毕后,加入20IIIl亚硫酸钠饱和溶
液去除过剩的H202,蒸干丙酮,用二氯甲烷(3×20
nil)
萃取,合并有机层用食盐水(30
m1)洗涤,无水Na2S04干燥,旋干得到8.0
g
白色固体,熔点154-155
oC,收率96%。
1H
NMR(400
MHz,CDCl3,TMS):63.89(s,31-1),4.00(s,3H),6.30(也.,=1
3.3
Hz,
126
复旦大学理学博十论文
1H),7.42-7.52(m,4H),7.52-7.63(m,2H),7.62—7.77(m,4H).
24.化合物75的合成
在80
ml
DMF中,加入2,6.二甲氧基.3.溴.4.二苯氧基
膦74(8.3
g,20.0
mm01)和Cu粉(3.8
g,60.0
mm01),
加热至1600c反应过夜。蒸干DMF,加入氯仿60
ml,
过滤该溶液,再用100ml氯仿洗涤滤渣,得到有机相,
旋干后用30mI乙酸乙酯洗涤,得到5.1
g白色固体,
熔点>250oC,产率75%。
1H
NMR(400MHz,CDCl3。TMS):63.33(s,6H),3.84(s,
68),6.12(d,J=13.3Hz,2H),7.25·7.34(in,4H),
7.42-7.60(In,12H),7.68-7.77(m,4H).
25.化合物76的合成
N2保护下,在50
ml甲苯溶液中加入化合物75(3.4
g,5.0
mm01)、EtsN(6.5
ml,50.0
mm01)和三氯硅烷(4.9
ml,
50.0
2N
mm01),加热回流8h,冷却后,冰浴下,慢慢加入
NaOH溶液,分出有机层,用2
N
NaOH溶液洗涤
(3x30
m1),再用饱和食盐水洗涤,无水Na2S04干燥,
过滤浓缩,得到白色粉末状固体3.1
g,产率95%。
。H
NMR(400
MHz,CDCl3,TMS):63.30(s,68),3.80(s,6H),6.00(s,2H),
7.15-7.33(m,20H).
¨C
NMR(100
MHz,CDCl3,TMS):6
53.0,53.4,105.2,114.5,128.2,128.5,128.8,
133.5,133.7,134.6,135.2,136.9,154.2,161.0,162.4.
肌P
NMR(CDCl3):6-12.77
70.80,H
5.32,N4.35;found:C
anal.caled.(%)forC3sH34N204P2(MW
644.20):C
70.46,H5.41,N
4.40.
26.胺偶联反应的一般条件
在反应瓶ee力nA.化合物卤代芳烃(1.O
mm01)、胺(1.2
mm01)、Pd(OAch(1.2
mg,0.5
mm01%)、P-Phos(4.8
mg,O.75
mm01%)和NaOt-Bu(192
mg,2.0
mm01),
用N2流冲约5
min后,注入10
ml甲苯,升温至80℃,TLC跟踪反应,反应完
成后,加入30ml乙酸乙酯,反应液依次用稀盐酸、饱和NaHC03溶液和饱和食
127
复-日大学理学博上论文
盐水洗涤,无水Na2S04干燥,过滤浓缩,柱层析得到产物。
N-Phenyl-p-toluidinetl3嘲
Yellow
solid,89%,m.P.87—88
oC.
1H
NMR(400
MHz,CDCh,TMS):J
7.15化J=7.8
Hz,
2H),6.98(d,,=8.4
Hz,2H),6.95.6.88(m,4H),6.78化J=
7.0
Hz,1H),5.52(br
S,lI-I),2.22(s,3H).
N-(p.Tolyi)-p-anisidinelllol
Yellow
solid,84%,m.P.84-85
oC.
1H
NMR(400MHz,CDCl3,TMS):J
7.1
0—7.00(弛
4H),6.85-6.79(m,4H),5.3
1似s,1H),3.78(s,3H),
2.26(s,3H).
N-Benzyl-4.cyanoanilineIl391
Yellow
oil,93%。
1H
NMR(400MHz,CDCl3,TMS):6
7.39_7.24(m,
7H),6.57(d,,=8.7
Hz,2H),4.74(br
S,lH),4.35(d,
J=5.5
Hz,2I-I).
1-(4.Benzylamino.phenyl).ethanone。1柚l
Yellow
oil,88%.
1H
NMR(400
MHz'CDCl3,TMS):占7.82(d'J=8.7
Hz,2H),7.390.28(m,5F0,6.59(d,J=8.7
Hz,2H),
4.61(br
s,In),4.40(d'.,=5.5
I-Iz
2H),2.49(s,3H).
Benzyl-biphenyl-4-yi.amineIl柏l
White
solid,88%,111.P.94—95
oC.
1H
NMR(400MHz’CDCl3,TMS):占=7.54(也
Hz,2F0,7.46-7.35(m,10H),6.70(也J
2
,=8.7
8.7
nz,2H),4.38(s,2I-1),4.14(brS,1n).
128
复旦大学理学博一I:论文
Methy..diphenyI..amindl的l
Yellow
oil,92%.
1H
NMR(400
MHz,CDCl3,TMS):占7.17(t,,=7.3Hz,4H),
6.93(d,J=7.8Hz,4H),6.86(t,,=7.0Hz,.2H),3.22(s,3H).
N-Methylphenyl-p-toluidinell38l
Yellow
oil,90%.
1H
NMR(400MHz,CDCl3,TMS):占7.22(t,-,=8.7
Hz,2H),
7.10(d,J=8.2
Hz,2H),6.98(d'J=8.2
Hz,2I-I),6.91(d,J=
8.7
I-Iz,2H),6.85(t,,=8.7Hz,II-D,.3.28(s,3H),2.31(s,3H).
4-(4.Methoxy.phenyl).morpholinell弱I
Yellow
oil,86%.
1H
NMR(400MI-Iz’CDCl3,TMS):艿6.89(d,J=9.2
Hz,2I-I),,6.85(d,J=9.2Hz’2H),3.86(t,J=4.6
Hz,
4H),3.77(s,3H),3.06化,=4.8
Hz,4H).
4-1ndol,.1-yI.benzonitrileIl4lI
Yellow
oil,85%.
1H
NMR(400MHz,CDCl3,TMS):占7.81(d,J=7.8
Hz,2H),7.32-7.60(m,4H),7.53(d,J=7.8Hz,2H),
7.35(d,J=3.2Hz,IH),6.76(d,J=3.2Hz'1H).
(4..Nitro..phenyl)-p.,tolyl..aminejl42l
Yellow
oil,95%.
1H
NMR(400MHz.,CDCl3,TMS):6
8.06(d,J=9.2
Hz,2H),7.18(d,J=8.2Hz,2H)'7.10(d,J=8.2
Hz'
2H),6.85(d,J=9.2
Hz.,2I-I),,6.44(br
s,I
H),2.35(s,
3H).
129
复旦大学理学博士论文
Methyl.(4.nitro.phenyl).phenyl.aminell43I
Yellowoil.89%.
1H
NMR(400
MHz,CDCl3,TMS):万8.03(d,j_-9.2
Hz,
2H),7.45化.,=7.8
nz,28),7.30化J=7.8
Hz,1H),7.22
(d,J=8.2
Hz,2H),6.65(d,J=9.2
Hz,2H),3.40(S,3H).
4.(4.Nitro.phenyl)-morpholinell删
Yellowoil,87%.
1H
NMR(400
MHz,CDCl3,TMS):占8.12(d,J--9.2
Hz,
2H),6.82他J=9.2
Hz,2取3.87代J=4.8
Hz,4峨
3.38化t,=5.0
Hz,4H).
4-(2.Nitro.phenyi).morpholinetl45l
Yellowoil,75%.
1H
NMR(400MHz,CDCl3,TMS):占7.77(d,.,=8.2
Hz,1H),
8.2
7.51化jffi
Hz,1H),7.15(d,J=8.2
Hz’1H),7.08化J=
Hz,4I-I),3.05化J=4.6Hz,4I-I).
8.2
Hz,1H),3.84化jffi
4.6
1-[4.(N-methyl.anilino).phenyl].ethanone‘146l
Yellow
solid,9
1%,m.P.86·87
oC.
1H
NMR(400
Mnz,CDCl3,TMS):6
7.81(d,J=9.2
Hz,2H),7.40化J=7.8nz,2rI),7.24化J=7.8
Hz,
1H),7.21(d'J=7.8
az,2I-I),6.75@J=9.2
Hz,28),
3.37(s,38),2.50(S,38).
N-Benzyl-p-toluidinell471
Yellow
oil,69%.
1H
NMR(400
MHz'CDCl3,TMS):J.7.40-7.28(m’
58),6.98(d,,=8.2
Hz,2r0,6.56@J=8.2
Hz,28),
5.85(br
s,lH)'4.31(s,2H),2.23(S,3H).
130
复口.大学理学博f:论文
4-,o.Tolyl.morpholineIl弼I
Yellow
solid,48%,m.P.45-46
oC.
1H
NMR(400MHz,CDCl3,TMS):占7.09(d,,=8.0
Hz,
2H),6.83(d,-,=8.4Hz,2H),3.86(t,J=4.8
Hz,4H),3.1
1
(t,J=4.8
Hz,4H),2.28(S,3H).
4-Pyridin.4-y1.morpholinell秘I
Yellow
solid,97%,m.P.97-98
oC.
1H
NMR(400MI-Iz,CDCl3,TMS):d8.29(d,J=6.4
Hz'
2I-D,6.65(d,J=6.4Hz'2H),3.83(t,J=5.0Hz,4H),3.29
化,=4.8Hz,4H).
Methyl-phenyl.pyridin.4-yI-aminell49I
Yellow
oil,94%.
1H
NMR(400
MHz,CDCl3,TMS):万8.20(d,,=6.4
Hz’
2H),7.43心J=7.8
Hz,2H),7.28化,=7.8
Hz,1H),7.22
(d,J=8.7Hz,2H),6.55(d,-,=6.4I-Iz,2H),3.32(s,3h0.
4-Pyrr01.1-y1.pyridineIl轴I
Yellow
oil,90%.
1H
NMR(400MH【z’CDCl3,TMS):6
8.60(d,,=5.0Hz,2H),
7.30(d,J=5.0H【z,2H),7.21(d,/=2.3
I{[z'2H),6.40(d,-厂=
1.8
Hz,2H).
Methyl.phenyl.[3]pyridyl.aminell∞I
Yellow
oil,93%.
1H
NMR(400
MHz,CDCh,TMS):6
8.35(m,IH),8.17(m,
IH),7.33化J=8.0I-h,2H),7.22-7.10(ITI,2H),7.10—6.95
(m,3H),3.34(s,3H).
13l
复旦大学理学博士论文
4-Pyridin-3-y1.morpholinell511
Yellow
oil,87%.
1H
NMR
000
MHz,CDCl3,TMS):J
8.32(m,IH),8.14(m,
1H),7.72—7.67帆1H),7.60-7.25(m,lH),3.88化J=4.8
Hz,4H),3.19化J=5.0
I-Iz,4H).
Benzyl.pyridin-2-y1.amineiI耽I
Yellow
solid,70%,m.P.95-96
oC.
1H
NMR(400MI-Iz,CDCl3,TMS):68.10(d'J=4.6
Hz,
Hz,
1H),7.40—7.22(m,6H),6.58(1坞1H),6.36(d,J=8.2
1H),4.91(brs,IH),4.50(d,J=5.5
Hz,2H).
27.化合物87的合成
在20
Inl冰醋酸中,加入化合物75(3.4
g,5.0
mm01)
和醋酸钠(451
mg,5.5
mm01),冰浴冷却至10℃,滴
加溴水(6.0mm01)的10ml冰醋酸溶液,滴加完后升
温至60℃,反应3h,反应完后用5
N
NaOH溶液调至
碱性,加入30
ml
CH2C12,分出有机层,有机层依次稀
盐酸、饱和NaHC%溶液和饱和食盐水洗涤,无水
NazS04干燥,过滤浓缩,得到浅黄色粉末状固体4.0
g,
产率96%。
1H
NMR(400
MHz,CDCl3,TMS):6
3.36(s,6H),3.93(s,6H),7.12.7.20帆4n),
7.22-7.35(m,21-I),7.40-7.60(1n,6I-I),7.65-7.80(m,4H),7.85·7.96(m,4r0.
31P
NMR(CDCh):6
31.52.
28.化合物87的拆分
70
mL氯仿中加入化合物87(2.1
g,2.5
ret001),搅拌至全溶,加热至沸腾,
g,2.5
剧烈搅拌下一次性倒入热的三.或D-DBTA(O.89mm01)的46
mL乙酸乙酯
溶液,搅拌回流5
rain,缓慢冷却至室温,搅拌过夜,过滤得到固体和滤液。
将抽滤得到的固体溶于50以二氯甲烷中,加入20
lnl
O.75
N
NaOH溶液,
搅拌2h,分出有机层并依次用稀盐酸、饱和NaHC03溶液和饱和食盐水洗涤,
无水Na2S04干燥,过滤浓缩,得到产品0.80g,产率77%。
滤液旋干后,固体溶于50
ml二氯甲烷,加入20血0.75
N
NaOH溶液,分
出有机层并依次用稀HCI溶液、饱和NaHC03溶液和饱和食盐水洗涤,无水
132
复.q大学理学博{:论文
Na2S04干燥,过滤浓缩,得到产品0.98
g,产率94%。
对映体的∞值由手性HPLC柱(Diacel.ADcolumn)测得,洗脱剂为正己烷:
异丙醇=5:95,流速为1.0
ml/min,k戤=254
nnl。
(.S)一87:浅黄色固体,产率94%
m.P.>250
oC,ee
98.8%
俾)-87:白色固体,产率77%
m.P.>250
oC,∞98.2%
29.化合物89的合成
在20
ml
DMF中加入化合物87(1.7
g,2.0
mm01)和
CuCN(1.0
g,16.0
mm01),升温至140℃反应过夜,冷
2
却至60℃,加入20
ml
N盐酸溶液和5.0
g六水合氯
化铁,搅拌lh,用乙酸乙酯(3x30mL)萃取,合并有
机层并依次用饱和NaHC03溶液和饱和食盐水洗涤,无
水Na2S04干燥,过滤浓缩,柱层析得到白色粉末0.90
产率62%。
IR(KBr,cm。1):1437,1452,1478,1557,2218,2962,3050.
1H
g,
NMR(400
MHz,CDCl3,TMS):63.42(s,6H),4.06(s,610,7.28.7.35(m,4H),
7.40-7.48(m,2H),7.50-7.66(m,68),7.68·7.75(m,4H),7.85-8.00(m,4H).
31P
NMR(CDCl3):6
29.68
30.化合物帅的合成
N2保护下,在15
ml甲苯溶液中加入化合物(0.72
g,1.0
mm01)、Et3N(1.3ml,10.0
10.0
2N
mm01)和三氯硅烷(1.3
g,
mm01),加热回流8
h,冷却后,冰浴下,慢慢加入
NaOH溶液,分出有机层,用2
N
NaOH溶液洗涤
(3x30
m1),再依次用水和饱和食盐水洗涤,无水
Na2S04干燥,过滤浓缩,得到浅黄色固体0.65
g,产率
95%。
133
复旦大学理学博士论文
IR(KBr,cm‘1):1367,1477,1556,2218,1995,3448.
1H
NMR(400
MHz,CDCl3,TMS):63.32(s,6H),3.85(s,6H),7.10.7.58(1n,20H).
13C
NMR(100
MHz,CDCl3,TMS):6
54.0,54.7,88.8,114.9,117.8,128.2,128.3,
128.4,128.9,133.1,133.4,144.6,145.5,163.3,165.5.
31P
NMR(CDCl3):6.9.10
31.化合物91的合成
N2保护下,在化合物Li灿H4(380
mg,10.0
mm01)的
10ml
lO
n口溶液中,滴加化合物90(O.69
g,1.0
ret001)的
IIll甲苯溶液,滴完后升温回流2h。将反应液冷却至0
℃,加入1
lIll2N
NaOH溶液,搅拌10min,分出有机
层并用饱和NaHC03溶液和饱和食盐水洗涤,无水
Na2S04干燥,过滤浓缩,得到浅黄色油状物0.66
g,产
品不纯。
32.化合物92的合成
在COCl6"6H20(48
mg,0.2
mm01)的5
ml
EtOH溶液中,
滴加NaBH4(19
mg,0.5
ret001),搅拌15min后,再滴加
化合物89(0.94
g,1.0
ret001)和正辛烷(9.0
mg,O.1
ret001)
的lml乙醇溶液,继续搅拌15rain,分批加入NaBH4(76
mg,2.0
HCh
mm01),继续反应6h。反应完毕后,加入20
nll
EtOH=1:9溶液,旋干乙醇,用CH2C12(3x20
mE)
萃取,合并有机层并依次用饱和NaHC03溶液和饱和食
盐水洗涤,无水Na2S04干燥,过滤浓缩,柱层析得到白
色固体0.42
g,产率58%。
1H
NMR(400MHz,CDCl3,TMS):61.92(brs,4H),3.92(s,4I-1),3.03(s,6II),3.86
(s,6H),7.22—7.32(m,4H),7.35-7.43(In’2IO,7.44-7.60(m,6H),7.70-7.82(m,4H),
7.88-8.03帆4H).
31P
NMR(CDCl3):6
32.88.
134
复q大学理学博l:论文
33.化合物9l的合成
N2保护下,在15
ml甲苯溶液中加入化合物(0.73
g,1.O
mm01)、Et3N(1.3
ml,10.O
rnm01)和三氯硅烷(1.3
g,10.O
mm01),加热回流8h,冷却后,冰浴下,慢慢加入2
N
NaOH溶液,分出有机层,用2
N
NaoH溶液洗涤(3x30
m1),再依次用水和饱和食盐水洗涤,无水Na2S04干燥,
过滤浓缩,得到浅黄色固体0.64
g,产率92%。
1H
NMR(400MHz,CDCl3,TMS):6
2.1
0(brs,4H),3.95(s,
4H),3.43(s,6H),4.01(s,6H),7.15-7.42(m,20H).
31P
NMR(CDCl3):6.12.72
34.SBA.15的合成
以三段共聚物E020POToE020(P123)为模板齐U,正硅酸乙酯(TEOS)为硅
源,在酸性条件下合成SBA.15,其原料摩尔组成为P123:HCI:H20:TEOS=
0.017:5.88:197:l。具体合成步骤如下:称取2.0
g
P123,与60
ml
2
N的盐酸和
rnl
TEOS,
15“蒸馏水混合,在35℃水浴中搅拌lh使其溶解,然后加入4.2
继续搅拌5
min,装入带有聚四氟乙烯内衬的不锈钢反应釜中,先在35℃的烘箱
中静置20h,然后升温至80℃静置晶化48
h,取出冷却后用蒸馏水洗涤并抽滤,
烘干后得SBA.15。
IR(KBr,cm叫):463,1089,1629,3427.
孔径:22.9788
nn'1.
比表面积:377.8
m2/g(普通硅胶比表面积:200
m2/g)。
35.SBA.15和普通硅胶的改性
在反应瓶中加入SBA-15或普通硅胶(10.0
g),注入
20
ml甲苯,滴jJI](EtO)3Si(CH2)3C1(2.4
g,100
mm01),
h,
升温回流8h,冷却后,加入20
ml水,继续搅拌5
抽滤,固体依次用甲苯、水、乙醇洗涤,干燥得到10.5
g白色固体。
IR(KBr,cm。1):466,803,1099,1655,2910,2958,3422
改性普通硅胶(93a)比表面积:82.4
m2/g
改性SBA.15(93b)比表面积:359.6
m2/g
135
复旦大学理学博十论文
36.载体95a和95b的合成
在反应瓶中加入化合物93a或93b(5.0
g),注入20
Inl甲苯,滴加六甲基氮杂二硅烷(HMDZ)(3.2
200.0
g'
ret001),升温回流5h,冷却后,加入10
lnI
水,继续搅拌2
h,抽滤,固体依次用甲苯、水、乙
醇洗涤,干燥,得到4.8
g白色固体。
IR(KBr,em。1):466,803,1
099,1
655,29
1
0,2958,3422
37.负载催化剂94a的合成
在化合物91(0.359,0.50
ret001)的20
lId
DMF溶液中,加入8.5
g载体93a和Cs2C03
(0.32&1.0
mm01),升温至60℃,反应
过夜。加入5InI水,抽滤,固体依次用乙
醇、四氢呋喃、乙醇洗涤,烘干,得8.0
浅黄色粉末。
94a:Elemental
analysis:N,0.1
5%,催化剂
g
负载量:0.027
mmol/g
催化剂94b、96a和96b的合成同94a
94b:Elemental
analysis:N,0.33%,催化剂负载量:0.059
mmol/g
38.化合物101的合成
在20mL甲苯中加入60%Nail(1.2
g,20.0
ret001)和乙腈(2.0
g,40.0
ret001)室温搅拌5min,滴加苯甲酸乙酯(1.5
g,10.0
mm01)的5
mL甲苯溶液,缓慢升温至90℃搅拌过夜,冷
却后加入10
mL水,以2
N盐酸调节pH到5,分出有机层,
依次用饱和NaHC03溶液和饱和食盐水洗涤,无水Na2S04干燥,过滤浓缩,以
苯重结晶,得1.2
g白色的片状晶体,产率86%,m.P.83-84℃。
IR(KBr,vcm。1):2952,221
8,1693,1589,1450.
1H
NMR(400
Mnz,CDCl3,TMS):6
4.05(s,2H),7.45.7.89(m,5H).
136
复旦人学理学博l:论文
39.化合物102的合成
在反应瓶中加入苯甲酰基乙酸乙酯(9.6
g’50.0
mm01)和40
mL
40%甲胺水溶液,升温至100℃反
应3天,冷却后以乙醚(3x30mL)萃取,合并有机
层以饱和食盐水洗涤,无水Na2S04干燥,过滤浓缩
并以乙酸乙酯/石油醚重结晶,得4.7
g白色的块状晶体,产率59%,m.P.8
1-82℃。
IR(KBr,vcm"1):3113,2952,1679,1648,1589,1434.
1H
NMR(400
Mnz,CDCl3,TMS):6
2.83(s,3H),4.03(s,2H),7.27.7.88(IIl'5H),
8.01(brs,1H).
40.B一酮酯的不对称催化氢化反应
氮气保护下固载配体(0.011
ret001)fF口[Ru016-cymene)C12]2(1.4
mg,0.010
mm01)的l
ml
DMF溶液在100℃搅拌O.5
h,抽干DMF,加入反应底物(1.0
mm01)
和20
ml
EtOH,搅拌一会,将溶液倒入高压釜中,换一次N2后,用10
arm
H2
冲高压釜三次,加压至20atm,升温至50℃,反应至原料完全消失。取出反应
液,抽滤,固体催化剂回收使用。滤液旋干,加入20“乙酸乙酯萃取,有机层
用饱和食盐水洗涤,无水Na2S04干燥,过滤浓缩,硅胶过滤旋干溶剂得不对称
催化氢化还原产物。
催化剂重复使用:抽滤回收的催化剂可直接用于催化氢化反应,无需再加入
金属Ru。对映体的∞值由手性GC柱(Lipdex
Aoalumn)测得,升温速度为1.0
℃/min。
∞-Ethyl
3-hydroxy-3-phenylpropanoate
Colorless
liquid.
100-140
oC,1oC/min,hold
for30
min,S-emntiomer:tR
=41.9
min,R-enantiomer:tR=42.8
min.
1H
NMR(400
MHz,CDCl3,TMS):61.28化,=7.3Hz,3H),2.72.2.79(m,2H),3.34
Cot,1H),4.20(t,J=7.3Hz,2H),5.12-5.16(m,1H),7.30-7.40(m,5H).
俾)-Methyl
3-hydroxypentanoate
Colorless
liquid.50-90oC,1oC/rain,¥-enantiomer:tR=1
7.5
min,R-enantiomer:tR=1
8.3min.
1H
NMR(400MHz,CDCh,TMS):60.96(t,J=7.3Hz,3H),1.52.1.56(m,2H),
2.41-2.49(m,2H),3.75(S,3H),3.90-3.98(m,IH).
137
复旦大学理学博上论文
(K)-Ethyl
3-hydroxybutanoate
Colorless
liquid.40-90
oc,1
oC/rain,S-enantiomcr:tR=1
6.9
rain,R-enantiomer:tR=1
7.4
min.
1H
NMR(400MHz,CDCl3,TMS):6
1.22.1.29(m,6H),2.42.2.49(m,2H),3.34(br’
l均,4.154.20(m,l田.
㈣·Methyl
3-hydroxy-4-methylpentanoate
Colorless
liquid.55—90o{c,1*C/min,S-enantiomer:tR=1
8.0
min.R-enantiomer:tR=1
8.7rain.
1H
NMR(400MHz,CDCl3,TMS):6
0.89(d,.厂=6.9
Hz'3H),0.95他,=6.9
nz,
3I-I),1.68-1.74(ITI,1H),2.37-2.49(m,21-1),3.10帆1n),3.74(S,3H),3.81—3.85(1Il'
1H).
(S)-3-Hydroxy-3-phenylpropanenitrile
浅黄色油状物
∞由手性mLC(OD.H
column)测得
1H
NMR(400
MHz,CDCl3,TMS):6
2.58(brs,lH),2.78
(d,J=6.1
Hz,2H),5.09心.,=6.2Hz,IH),7.33.7.44(m,
5H).
(S)-3-Hydroxy-N-methyl-3-phenylpropanamide
白色固体,m.P.80-82"C:
∞由手性HPLC(OD.H
column)测得
1H
NMR(400
lvmz,CDCl3,TMS):6
2.63.2.67(m,2岣,2.88(d,-,=4.6
l-lz,3I-I),
3.80∞,l均,5.14—5.18(m,lI-I),6.01(brs,1H),7.28—7.37(m,5H).
41.B.酮酯的不对称催化氢化反应
氮气保护下固载配体(0.Ol
l
mm01)和[Ru(ne-cymene)C12]2(1.4
mg,0.010
n[u'n01)的l
ml
DMF溶液在100℃搅拌10rain,抽干DMF。冷却后,注入2ml
二氯甲烷,加入限R).DPEN(2.3
mg
0.01lmm01),室温反应8h,加入反应底物
(1.0
mm01)和20
ml
EtOH,搅拌一会,将溶液倒入高压釜中,换一次N2后,
用10
atm
H2冲高压釜三次,加压至10atm,室温反应至原料完全消失。取出反
应液,抽滤,固体催化剂回收使用。滤液旋干,加入20“乙酸乙酯萃取,有机
层用饱和食盐水洗涤,无水Na2S04干燥,过滤浓缩,硅胶过滤旋干溶剂得不对
称催化氢化还原产物。
御-1-PhenyIethanol
Colorless
liquid.ChiralGC:Supclco
p-Dex
1
20(60
m
X
0.25
nun)
column.100—140℃,1℃/min,hold
for30
min,R-enantiomer:tR=
35.5
min,R—enantiomer:tR=36.1
min.
1H
NMR(400
MHz'CDCl3,TMS):61.50(d,J=6.4,3H),1.89
O
rs,1I-I),4.89-4.92
(m,In),7.30-7.43(m,5H).
139
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复且大学理学博士论文
致谢
在这五年的工作学习中,衷心感谢我的导师王全瑞教授,他以丰富的科研经
验对我的工作进行了各方面的指导,让我的科研能力得到了很大提高;另外导师
陶风岗教授也给予了我许多指导与建议。他们渊博的专业知识、严谨的科研态度
给我深刻的教诲和启迪,并将终身受益。在论文完成之际,谨向他们致以衷心的
感谢和崇高的敬意!
感谢李志铭老师和李峰老师,在我课题遇到困难时,帮我解决了许多问题。
在论文工作期间,还得到了我们课题组柴立挺、李扬州、孟青青、邹炯、李良喜、
李云霞、孙雨竹、马夏平、白鹤翔、匡亮、郭志云、李颖杰、洪巍、季秀芳、王
伟卫、王冠、邹岳以及谢小安、邹本立、袁其亮、陈宇、竺伟等同学的热情帮助,
而做本科毕业设计的师弟罗显飞也给予了我许多帮助。在此一并向他们表示诚挚
的谢意!
衷心感谢我的家人,多年来,他们给予我一贯的疼爱和无私的支持,本论文
的完成,无不包含着他们的默默奉献和辛勤劳动。
谨以此论文献给所有关心和帮助我的人!
陈欢生
2008年4月
复旦大学理学博十论文
论文发表情况
1.Huansheng
Chen,Zhimin
Li,Quanrui
Wang·,A
tandemreactionforthe
synthesis
ofisotetronic
acid,Chinese
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of
OrganicChemistry,2007,27,
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2.Huansheng
Chen,QuanruiWang·,Fenggang
Tao,A
Versatile
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ofArylHalides,Adv.Syn.Cat.submitted.
3.Huansheng
Chen,Quanrui
Wang+,An
Effective
DBU-EbN-Mediated
One-pot
Synthesis
of
lsotetronicAcid
from
a-Ketoesters,■Org.Chem.to
be
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4.Huansheng
Chen,Quanrui
Wang·,An
Effective
Synthesis
of
13-substituted
IsotetronicAcids
Using
Suzuki
Reaction,Chinese
Chemical
Le讹r’to
be
submitted.
5.Yuzlm
Sun,Huansheng
Chen,QuanruiWang·,DBU-Et3N-Mediated
Tandem
Homoaldol·Lactonization—Alkylation
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Ethyl帅ate:An
Expedient
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O-protected
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Acids,Synthesis,2008,4,589.
6.LitingChai,Huansheng
Chen,Zhimin
Li,Quanmi
Wang·,Fenggang
Tao,
Enantioselective
hydrogenation
ofbeta-ketoesters
using
a
MeO-PEG··supported
Biphepligand
under
atmosphericpressure:A
practical
synthesis
of(S)-fluoxetine,
Synth.Lett.2006,15,2395.
7.Feng
Li,Qingqing
Meng,Huansheng
Chen,zl蛐Li,Quanrui
Wang·,
Fenggang
Tao,Synthesis
of
diarylethers,diarylsulfides,heteroaryl
ethersand
heteroaryl
sulfides
under
microwave
dielectric
heating,Synthesis,2005,&1
305.
174
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