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Original Articles

Two new diterpenoids from Croton crassifolius

, , , , &
Pages 785-788 | Received 14 Jan 2012, Accepted 15 May 2012, Published online: 14 Jun 2012
 

Abstract

Two new clerodane-type diterpenoids were isolated from the roots of Croton crassifolius Geisel. The structures of these compounds were elucidated as 9-[2-(2(5H)-furanone-4-yl)ethyl]-4,8,9-trimethyl-1,2,3,4,5,6,7,8-octahydronaphthalene-4-carboxylic acid (1) and methyl 9-[2-(2(5H)-furanone-4-yl)ethyl]-4,8,9-trimethyl-1,2,3,4,5,6,7,8-octahydronaphthalene-4-carboxylic ester (2) by spectroscopic methods.

Acknowledgments

This study was financially supported by the National Natural Science Foundation of China (Nos 20772047 and 21310104) and Natural Science Foundation of Guangdong Province (No. 32210018).

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