PALLADIUM-CATALYZED CYCLIZATION-CARBONYLATION OF ALLYLIC 2-ALKYNOATES - FACILE SYNTHESIS OF ALPHA-ALKYLIDENE-GAMMA-BUTYROLACTONE BETA-ACETIC ACID-DERIVATIVES

被引:22
作者
JI, JG [1 ]
LU, XY [1 ]
机构
[1] CHINESE ACAD SCI,SHANGHAI INST ORGAN CHEM,SHANGHAI 200032,PEOPLES R CHINA
关键词
D O I
10.1016/S0040-4020(01)85373-4
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
alpha-(Z)- and (E)- Chtoroalkylidene-gamma-butyrolactone beta-acetic acid derivatives were prepared from easily available acyclic allylic 2-alkynoates using Pd-2(dba)(3) CHCl3 as catalyst under 1 atm of CO in the presence of CuCl2 and LiCl in high stereoselectivity.
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页码:9067 / 9078
页数:12
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