2D NMR STUDIES ON DITERPENE ESTER AND SESQUITERPENE GLUCOSIDE FROM THE GENUS EUPHORBIA

Chinese Journal of Magnetic Resonance ›› 1997, Vol. 14 ›› Issue (3): 217-221.

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2D NMR STUDIES ON DITERPENE ESTER AND SESQUITERPENE GLUCOSIDE FROM THE GENUS EUPHORBIA

Shi Yanping, Yang Li, Jia Zhongjian

Department of Chemistry, National Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000

Received:1996-12-27 Revised:1997-02-03 Published:1997-06-05 Online:2018-01-22

Abstract

Abstract: A new diterpene ester (5, 20-O-diacetylingenol-3-O-(2'E, 4'Z)-teteradecadienoate) and a known sesquiterpene glucoside(Roseoside) were isolated from the whole part of Euphorbia petiolata and E.macroclada, respectively. The position of the three esters of compound (1) and one glucose moiety of compound (2) were umbiguously assigned on the basis of HMBC experiment, and all the ¹H and ¹³C NMR chemical shifts of the two compounds were also assigned by 2D NMR techniques, such as H-¹H COSY, ¹³C-¹H COSY, HMQC and HMBC.

Key words: Ingenane ester, Sesquiterpene glucoside, 2D NMR, Chemical shifts

Shi Yanping, Yang Li, Jia Zhongjian. 2D NMR STUDIES ON DITERPENE ESTER AND SESQUITERPENE GLUCOSIDE FROM THE GENUS EUPHORBIA[J]. Chinese Journal of Magnetic Resonance, 1997, 14(3): 217-221.

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2D NMR STUDIES ON DITERPENE ESTER AND SESQUITERPENE GLUCOSIDE FROM THE GENUS EUPHORBIA

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