AN ALTERNATIVE APPROACH TO MEVINIC ACID ANALOGS FROM METHYL (3R)-(-)-3-HYDROXYHEX-5-ENOATE AND AN EXTENSION TO UNAMBIGUOUS SYNTHESES OF (6R)-(+)-GONIOTHALAMIN AND (6S)-(-)-GONIOTHALAMIN

被引:24
作者
BENNETT, F
KNIGHT, DW
FENTON, G
机构
[1] CHEM DEPT, UNIV PK, NOTTINGHAM NG7 2RD, ENGLAND
[2] RHONE POULENC RORER LTD, CENT RES, DAGENHAM RM10 7XS, ESSEX, ENGLAND
来源
JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1 | 1991年 / 03期
关键词
D O I
10.1039/p19910000519
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Ozonolysis of the 3-silyloxyhexenoate 12, derived from the yeast reduction product methyl (3R)-(-)-3-hydroxyhex-5-enoate 6 and having an enantiomeric enrichment of 78%, followed by Wittig homologation and selenolactonization leads to the unsaturated mevinic acid analogues 17 and 18. Subsequent dehydration gives both enantiomers of the natural product goniothalamin 20 and 21.
引用
收藏
页码:519 / 523
页数:5
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