Cycloartanes from Euphorbia aellenii Rech. f. with Their Antiproliferative activity

Document Type : Research article

Authors

School of Pharmacy and Phytochemistry Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.

Abstract

The cytotoxic chloroform fraction of Euphorbia aellenii afforded two cycloartane type triterpenes — cycloart-25-en-3,24-diol (1) and 24-methylene-cycloartan-3-ol (2) — for the first time from this plant. Preparation of cycloartane derivatives, 3, 24-O-diacetyl-cycloart-25-en as compound 3 and 3-O-acetyl-24-methylene-cycloartan (4) were conducted by acetylating of 1 and 2, respectively. The structures of the isolated compounds were elucidated by spectroscopic methods and their activities evaluated by proliferation assay on Human peripheral blood lymphocytes (PBLs). Comparing the results suggested that anti-proliferation effect of these compounds on PBLs might be due to the presence of free 3-OH group while masking the free OH groups by acetylation, could induce proliferation activity.

Keywords

Iranian Journal of Pharmaceutical Research
Volume 10, Number 1
Winter 2011
Pages 105-111

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