A GENERAL STEREOCONTROLLED STRATEGY FOR THE HETEROYOHIMBINE ALKALOIDS - THE TOTAL SYNTHESIS OF (-)-AJMALICINE AND (+)-19-EPIAJMALICINE

被引:21
|
作者
HANESSIAN, S
FAUCHER, AM
机构
[1] Department of Chemistry, Université de Montréal, Montréal, Québec
来源
JOURNAL OF ORGANIC CHEMISTRY | 1991年 / 56卷 / 09期
关键词
D O I
10.1021/jo00009a001
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
A general approach is described for the total synthesis of enantiomerically pure 3-alpha-heteroyohimbine alkaloids based on the utilization of D-glucose as a chiral template for ring E. 19-Epiajmalicine was thus prepared from alpha-D-glucose pentaacetate in 23 steps (2.5% overall yield), averaging 85% yield per step.
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页码:2947 / 2949
页数:3
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