Journal
BIOORGANIC & MEDICINAL CHEMISTRY
Volume 17, Issue 17, Pages 6279-6285Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bmc.2009.07.040
Keywords
3,4-Diaryl-5-aminoisoxazole; Cytotoxic activities; Tubulin polymerization inhibition
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A series of cis-restricted 3,4-diaryl-5-aminoisoxazoles have been synthesized and evaluated for their biological activities. Among them, compound 11a and 13a displayed potent cytotoxic activities in vitro against five human cancer cell lines with IC50 values in the low micromolar range and two compounds inhibited tubulin polymerization with IC50 value of 1.8, and 2.1 mu M, respectively, similar to that of CA-4. Compound 13a could arrest at the G2/M phase of the cell cycle at the concentration of 0.1 and 1.0 mu M and induce apoptosis at 0.1-1.0 mu M. (C) 2009 Elsevier Ltd. All rights reserved.
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