CLERODANE AND ENT-HALIMANE DITERPENES FROM POLYALTHIA-LONGIFOLIA

被引：83

作者：

HARA, N

ASAKI, H

FUJIMOTO, Y

GUPTA, YK

SINGH, AK

SAHAI, M

机构：

[1] TOKYO INST TECHNOL, DEPT CHEM, TOKYO 152, JAPAN

[2] BANARAS HINDU UNIV, IMS, DEPT MED CHEM, VARANASI 221005, UTTAR PRADESH, INDIA

来源：

PHYTOCHEMISTRY | 1995年 / 38卷 / 01期

关键词：

POLYALTHIA LONGIFOLIA; ANNONACEAE; CLERODANE; ENT-HALIMANE; BICYCLIC DITERPENE;

D O I：

10.1016/0031-9422(94)00583-F

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

A hexane extract of the stem bark of Polyalthia longifolia furnished nine new clerodane and ent-halimane diterpenes, i.e. 16-hydroxycleroda-4(18),13-dien-16,15-olide, 16-oxocleroda-4(18),13E-dien-15-oic acid, cleroda-4(18),13-dien-16,15-olide, 16-hydroxy-ent-halima-5(10),13-dien-16, 5-olide, 16-oxo-ent-halima-5(10),13E-dien-15-oic acid, ent-halima-1(10),13E-dien-16,15-olide, 16-oxo-ent-halima-5(10),13E-dien-15-oic acid, ent-halima-5(10),13-dien-16,15-olide and ent-halima-5(10),13E-dien-16,15-olide, along with five known clerodane diterpenes. The structures of these compounds were elucidated by spectroscopic methods. The 13E configuration of two of the new ent-halimanes and one of the known clerodanes was firmly established by NOE experiments.

引用

页码：189 / 194

页数：6

共 22 条

[1] CONSTITUTION OF DITERPENOIDS FROM SOLIDAGO ELONGATA NUTT [J].