Iridoid glucosides from Picconia excelsa

被引：43

作者：

Damtoft, S ^{[1
]}

Franzyk, H ^{[1
]}

Jensen, SR ^{[1
]}

机构：

[1] TECH UNIV DENMARK, DEPT ORGAN CHEM, DK-2800 LYNGBY, DENMARK

来源：

PHYTOCHEMISTRY | 1997年 / 45卷 / 04期

关键词：

Picconia excelsa; Oleaceae; iridoid glucosides; secoiridoid glucosides; picconiosides I; II; III; IV; and V; loganic acid; loganin; 7-ketologanic acid; 7-ketologanin; 6; beta-hydroxy-7-epi-loganin; 8-epi-kingisidic acid; 8-epi-kingiside; secoxyloganin; oleoside 11-methyl ester; ligstroside; excelsioside; verbascoside; oleoacteoside;

D O I：

10.1016/S0031-9422(97)00023-X

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：

An investigation of the iridoids of Picconia excelsa from Tenerife provided 17 iridoid glucosides together with verbascoside. Major constituents (> 0.5%) were loganin, ketologanin, oleoacteoside and the new picconioside I-a bisiridoid consisting of loganin esterified with deoxyloganin. Minor constituents were secoxyloganin, 8-epi-kingiside, 8-epi-kingisidic, oleoside 11-methyl ester, excelsioside, ligstroside and loganic acid together with the new compounds ketologanic acid, 6 beta-hydroxy-7-epi-loganin and picconiosides II-V, the latter four being esters of loganin and menthiafolic, foliamenthic, 6-(Z)-foliamenthic or 6,7-dihydrofoliamenthic acid. The structures were mainly elucidated by NMR spectroscopy. (C) 1997 Elsevier Science Ltd.

引用

页码：743 / 750

页数：8

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