SESQUITERPENE LACTONE CHEMISTRY OF ZALUZANIA-GRAYANA FROM ONLINE LC-NMR MEASUREMENTS

被引：38

作者：

SPRING, O

BUSCHMANN, H

VOGLER, B

SCHILLING, EE

SPRAUL, M

HOFFMANN, M

机构：

[1] UNIV HOHENHEIM, INST CHEM, D-70599 STUTTGART, GERMANY

[2] UNIV TENNESSEE, DEPT BOT, KNOXVILLE, TN 37996 USA

[3] BRUKER ANALYT MESSTECH GMBH, D-76287 KARLSRUHE, GERMANY

来源：

PHYTOCHEMISTRY | 1995年 / 39卷 / 03期

关键词：

ZALUZANIA GRAYANA; VIGUIERA TRILOBA; HELIANTHEAE; ASTERACEAE; SESQUITERPENE LACTONES; LC-NMR COUPLING;

D O I：

10.1016/0031-9422(95)00084-K

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：

On-line LC-NMR measurements were used for the first time to elucidate the sesquiterpene lactone chemistry of a Compositae species, Zaluzania gyayana. Structure elucidation of three compounds, visible in HPLC analysis of the constituents of glandular trichomes, was performed on a leaf extract of less than a gram of dried plant tissue by means of direct coupling of the HPLC and NMR instruments. The structures could be assigned to the guaianolide zaluzanin C, a new modified guaianolide and to the 15-hydroxy derivative of costunolide. The taxonomic relevance of the identified compounds is discussed.

引用

页码：609 / 612

页数：4

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