Article
Synthesis and Structure−Activity Relationships of New Benzodioxinic Lactones as Potential Anticancer Drugs
Laboratori de Química Farmacèutica, Facultat de Farmàcia, Universitat de Barcelona.
Laboratoires Servier.
Facultat de Geologia, Universitat de Barcelona.
INSERM U-524, IRCL, Place de Verdum, 59045 Lille, France.
To whom correspondence should be addressed. Phone: 0034 93 4024534. Fax: 0034 93 4035941. E-mail: mdpujol@ub.es.
Abstract

A set of disubstituted tetracyclic lactones has been synthesized and tested for potential antitumor activity. Several of them possess a noticeable cytotoxicity against L1210 and HT-29 colon cells in vitro. Relationships between chain nature and biological properties were sought. Lactones with a pentyl or hexyl substituent at C-11 are the most active ones. The introduction of a functional group at the side chain of C-11 modified the potency; carboxylic acid and primary amine decreased the cytotoxicity, whereas a cyano group increased the activity. An extensive structure−activity relationship study of these derivatives, including carbon homologues and bioisosteres has been performed. The synthesis and cytotoxicity of these compounds are discussed. Two lactones are recognized as potential lead compounds.
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History
- Published In Issue January 25, 2007
- Received October 11, 2006
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