STUDIES ON THE CONSTITUENTS OF SCUTELLARIA SPECIES .15. ON THE DITERPENOID CONSTITUENTS OF THE LEAVES OF SCUTELLARIA-ALPINA L

被引:13
|
作者
MIYAICHI, Y [1 ]
KIZU, H [1 ]
YAMAGUCHI, Y [1 ]
TOMIMORI, T [1 ]
机构
[1] HOKURIKU UNIV, FAC PHARMACEUT SCI, KANAZAWA 92011, JAPAN
关键词
SCUTELLARIA ALPINA; LABIATAE; NEOCLERODANE DITERPENOID; STRUCTURE ELUCIDATION;
D O I
10.1248/yakushi1947.114.4_264
中图分类号
R9 [药学];
学科分类号
1007 ;
摘要
From the leaves of Scutellaria alpina L., four new neo-clerodane diterpenes (1-4) were isolated. The structures of 1-4 were shown to be (4S)-19-acetoxy-8 beta-hydroxy-6 alpha-benzoyloxy-4,18-epoxy-neo-cleroda-11,13-dien-15,16-olide, (4S)-19-acetoxy-8 beta-hydroxy-6 alpha-tigloyloxy-4,18-epoxy-neo-cleroda-11,13- dien-15,16-olide, (4S, 11S)-11-acetoxy-8 beta,19-dihydroxy-6 alpha-tigloyloxy-4,18-epoxy-neo-clerod-13-en-15,16-olide, and (4S)-19-acetoxy-8 beta-hydroxy-6 alpha,7 beta-dibenzoyloxy-4,18-epoxy-neo-cleroda-11,13-dien-15,16-olide, respectively, by the chemical and spectral data.
引用
收藏
页码:264 / 271
页数:8
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