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J Med Chem. 2003 Dec 4;46(25):5437-44.

Synthesis and biological evaluation of 4-arylcoumarin analogues of combretastatins.

Author information

1
INSERM U-524 et Laboratoire de Pharmacologie antitumorale du Centre Oscar Lambret, Institut de Recherches sur le Cancer, Place de Verdun, 59045 Lille, France. bailly@lille.inserm.fr

Abstract

A series of A-ring polymethoxylated neoflavonoids was prepared by ligand coupling reactions involving either Suzuki or Stille reactions. Cytotoxicity studies indicated a potent activity against a CEM leukemia cell line for the compounds presenting a substitution pattern related to that of combretastatin A-4. The two compounds having a 3'-OH and a 4'-OCH(3) substituents on the 4-phenyl B-ring have no effect on human topoisomerases I and II but potently inhibit, in vitro, microtubule assembly. At the cell level, the active compounds were characterized as proapoptotic agents, but they can also trigger cell death via a nonapoptotic pathway.

PMID:
14640552
DOI:
10.1021/jm030903d
[Indexed for MEDLINE]

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