NEOCLERODANE DITERPENOIDS FROM 3 SPECIES OF TEUCRIUM

被引：22

作者：

ALCAZAR, R

DELATORRE, M

RODRIGUEZ, B

BRUNO, M

PIOZZI, F

SAVONA, G

ARNOLD, NA

机构：

[1] UNIV CAMERINO,IST BOT FARMACEUT,I-62032 CAMERINO,ITALY

[2] UNIV PALERMO,DIPARTIMENTO CHIM ORGAN,I-90123 PALERMO,ITALY

来源：

PHYTOCHEMISTRY | 1992年 / 31卷 / 11期

关键词：

TEUCRIUM-COSSONII; TEUCRIUM-POLIUM SUBSP EXPANSUM; T-MONTBRETII SUBSP HELIOTROPIIFOLIUM; LABIATAE; DITERPENOIDS; NEOCLERODANE DERIVATIVES; TEUCOSSIN-A AND TEUCOSSIN-B;

D O I：

10.1016/S0031-9422(00)97562-9

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 species of the genus Teucrium have been investigated. Two of them (T. polium subsp. expansum and T. montbretii subsp. heliotropiifolium) contain known neo-clerodane diterpenoids, and the other one (T. cossonii) provides two new neo-clerodane derivatives (teucossins A and B) together with montanin H, a diterpene recently isolated from another Teucrium species. The structures of the new substances [12xi,19,20-triacetoxy-4alpha,18;15,16-diepoxy-neo-cleroda-13(16),14-dien-6alpha-ol (teucossin A) and 12xi,19-diacetoxy-4alpha,18;15,16-diepoxy-6-oxo-neo-cleroda-13(16),14-diene-(20-O-acetyl) 20S,7alpha-hemiacetal (teucossin B)] were established mainly by spectroscopic means.

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页码：3957 / 3960

页数：4

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