Ceriopsins F and G, diterpenoids from ceriops decandra

被引:33
作者
Anjaneyulu, ASR [1 ]
Rao, VL [1 ]
机构
[1] Andhra Univ, Sch Chem, Dept Organ Chem, Visakhapatnam 530003, Andhra Pradesh, India
关键词
Indian mangrove; Ceriops decandra; Rhizophoraceae; diterpenoids; ceriopsins F and G;
D O I
10.1016/S0031-9422(02)00627-1
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
Chemical examination of the ethyl acetate solubles of the CH3OH:CH2Cl2 (1:1) extract of the roots of Ceriops decandra collected from Kauvery estuary resulted in the isolation of two more diterpenoids, ceriopsins F and G (1-2) and five known compounds, ent-13-hydroxy-16-kauren-19-oic acid (steviol, 3), methyl ent-16beta,17-dihydroxy-9(11)-kauren-19-oate (4), ent-16beta,17-dihydroxy-9(II)kauren-19-oic acid (5), ent-16-oxobeyeran-19-oic acid (isosteviol, 6), 8,15R-epoxypimaran-16-ol (7). The structures of the new diterpenoids were elucidated by a study of their physical and spectral data as methyl ent-13,17-epoxy-16-hydroxykauran-19-oate (1) and ent-16-oxobeyeran-19-al (2). (C) 2003 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:1207 / 1211
页数:5
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