CHEMISTRY OF TETRACYCLIC DITERPENOIDS .9. PARTIAL SYNTHESIS OF 7BETA-HYDROXY-( - )-KAUR-16-EN-19-OIC ACID

被引：22

作者：

HANSON, JR

WHITE, AF

机构：

[1] The Chemical Laboratory, University of Sussex, Brighton

来源：

TETRAHEDRON | 1969年 / 25卷 / 13期

关键词：

D O I：

10.1016/0040-4020(69)80015-3

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A partial synthesis of 7β-hydroxy-(-)-kaur-16-en-19-oic acid from 7β-hydroxykaurenolide is described utilizing the Meerwein-Ponndorf reduction of 7-oxo-(-)-kaur-16-en-19-oic acid. The NaBH4 reduction of some 7-oxo-16,17-dihydroxykauranes is described. The effect of different conformations of ring B on the NMR spectra of these diterpenes is noted. © 1969.

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页码：2743 / &

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