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Title 

Four ent-Kaurane-type diterpenoids from Croton tonkinensis GAGNEP

Authors 

P M GiangP T SonJung Joon LeeH Otsuka

Publisher 

Pharmaceutical Society of Japan

Issue Date 

2004

Citation 

Chemical & Pharmaceutical Bulletin, vol. 52, no. 7, pp. 879-882

Keywords 

croton tonkinensisditerpenoident-kauraneeuphorbiaceaeent 1 alpha 14 alpha diacetoxy 7 beta hydroxykaur 16 en 15 oneent 1 alpha, 7 beta diacetoxy 14 alpha hydroxykaur 16 en 15 oneent 18 acetoxy 14 alpha hydroxykaur 16 en 15 oneent 18 acetoxy 7 beta hydroxykaur 15 onekaurane derivativediterpenes, kaurane

Abstract 

From the leaves of the endemic Vietnamese medicinal plant Croton tonkinensis GAGNEP. (Euphorbiaceae) the four new ent-kaurane-type diterpenoids ent-1 α,14 α-diacetoxy-7β-hydroxykaur-16-en-15-one (1), ent-1α,7β-diacetoxy-14α-hydroxykaur-16-en-15-one (2), ent-18-acetoxy-14α-hydroxykaur-16-en-15-one (3), and ent-(16S)-18-acetoxy- 7β-hydroxykauran-15-one (4) were isolated. Their structures were elucidated by spectroscopic analyses.

ISSN 

0009-2363

Link 

http://dx.doi.org/10.1248/cpb.52.879

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2017-04-19


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