New beyerane and isopimarane diterpenoids from Rhizophora mucronata

被引：20
作者：
Anjaneyulu, ASR [1 ]
Anjaneyulu, V [1 ]
Rao, VL [1 ]
机构：
[1] Andhra Univ, Sch Chem, Waltair 530003, Andhra Pradesh, India
来源：
JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH | 2002年 / 4卷 / 01期
关键词：
Indian mangrove; Rhizophora mucronata; Rhizophoraceae; diterpenoids; rhizophorins C; D; E; beyeranes; isopimarane;
D O I：
10.1080/10286020290019703
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Chemical examination of the ethyl acetate extract of the roots of Rhizophora mucronata collected from Mangalore Coast resulted in the isolation of three more new diterpenoids, rhizophorins C-E (1-3) in addition to the two, rhizophorin A, (6R,11S,13S)-6,11,13-trihydroxy-2,3-seco-14-labden-2,8-olid-3-oic acid, and rhizophorin B, ent-3beta,20-epoxy-3alpha,18-dihydroxy-15-beyerene, recently reported. The structures of the new diterpenoids have been elucidated by a study of their physical and spectral data as 17-hydroxybeyer-15-en-3-one (1), 3beta,17-diacetoxy-15-beyeren-2-one (2) and 3beta,6alpha-diacetoxy-8(14),15-isopimaradien-2-one (3).
引用
收藏
页码：53 / 61
页数：9
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