NEOCLERODANE DITERPENOIDS FROM SCUTELLARIA-DRUMMONDII

被引:19
作者
ESQUIVEL, B
FLORES, E
HERNANDEZORTEGA, S
TOSCANO, RA
机构
[1] Instituto de Química de la Universidad Nacional Autónoma de México, Circuito Exterior de Cd. Universitaria
关键词
SCUTELLARIA DRUMMONDII; LABIATAE; NEOCLERODANE DITERPENES; 2-ALPHA-HYDROXYAJUGARIN V; 2-ALPHA-HYDROXY-DEACETYLAJUGARIN V; SCUTEDRUMMONIN;
D O I
10.1016/0031-9422(94)00531-W
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
Three new neo-clerodane diterpenoids, 6 alpha-acetoxy-4 alpha,18-epoxy-2 alpha-hydroxy-13-neocleroden-15,16-olide (2 alpha-hydroxyajugarin V), 4 alpha,18-epoxy-2 alpha,6 alpha-dihydroxy-13-neocleroden-15,16-olide (2 alpha-hydroxy-deacetylajugarin V) and 2 alpha,6 alpha-dihydroxy-4(18), 13-neoclerodadien-15,16-olide (scutedrummonin), have been isolated from the aerial parts of Scutellaria drummondii, in addition to the known flavone xanthomicrol. The structures of the new diterpenoids were established by chemical and spectroscopic means, including X-ray diffraction analysis for 2 alpha-hydroxyajugarin V.
引用
收藏
页码:175 / 179
页数:5
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