New diterpene from soft coral qunzhuchong(clavularia sp.): Isolation and structural elucidation of clavulactone

Acta Chimica Sinica ›› 1987, Vol. 45 ›› Issue (6): 558-563. Previous Articles Next Articles

Original Articles

软珊瑚群柱虫中新的二萜化合物-群柱内酯萜的分离和结构测定

李金翠;张志明;夏宗乡;倪朝周;吴毓林

中国科学院上海有机化学研究所

发布日期:1987-06-15

New diterpene from soft coral qunzhuchong(clavularia sp.): Isolation and structural elucidation of clavulactone

LI JINCUI;ZHANG ZHIMING;XIA ZONGXIANG;NI CHAOZHOU;WU YULIN

Published:1987-06-15

Abstract

A new bicyclo[9.3.0]tetradecane diterpenoid (dolabellane) lactone named clavulactone (I) was isolated from soft coral qunzhuchong (Clavularia sp.). Its partial structure was determine by spectral anal. and hydrogenation reaction. X-ray anal. established the complete mol. structure of I and the relative configuration. Finally, according to the neg. Cotton effect of n畃* and CD band of a,b-unsatd. d-lactone at 252 nm, the absolute configuration was assigned.

Key words: LACTONES, X-RAY DIFFRACTION ANALYSIS, SPECTROGRAPHIC ANALYSIS, CIRCULAR DICHROISM, DITERPENES, ABSOLUTE CONFIGURATION, CLAVULARIA, ANTHOZOA

CLC Number:

O629

Cite this article

LI JINCUI;ZHANG ZHIMING;XIA ZONGXIANG;NI CHAOZHOU;WU YULIN. New diterpene from soft coral qunzhuchong(clavularia sp.): Isolation and structural elucidation of clavulactone[J]. Acta Chimica Sinica, 1987, 45(6): 558-563.

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软珊瑚群柱虫中新的二萜化合物-群柱内酯萜的分离和结构测定

New diterpene from soft coral qunzhuchong(clavularia sp.): Isolation and structural elucidation of clavulactone

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