New triterpenoids from Corchorus trilocularis |
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| Authors: | Ahmed Amir Asim Muhammad Zahid Muhammad Ali Akbar Ahmad Viqar Uddin |
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| Institution: | HEJ Research Institute of Chemistry, International Center for Chemical Sciences, University of Karachi, Pakistan. |
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| Abstract: | Two new tetracyclic triterpenoid trilocularol A and trilocularol A 3-glucoside and one pentacyclic triterpenoid tirlocularoside A were isolated from Corchorus trilocularis L., their structure were elucidated as 3beta,6alpha,16alpha,20(S),27-pentahydroxydammar-24(Z)-ene (1), 3beta-D-glucopyranosyloxy-6alpha,16alpha,20(S),27-tetrahydroxydammar-24(Z)-ene (2) and 2alpha,3beta,19alpha,30-tetrahydroxyurs-12-en-24,28-dioic acid 28-O-beta-D-glucopyranosyl ester (3). respectively, on the basis of detailed spectroscopic studies. |
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