Recent outcome in the field of distamycin-derived minor groove binders.

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Cozzi P

Recent outcome in the field of distamycin-derived minor groove binders.

Farmaco. 2000 Mar;55(3):168-73.

PubMed ID
10919073 [ View in PubMed
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Abstract

DNA minor groove binders represent a class of cytotoxic antitumor agents whose DNA sequence specificity may lead to a high selectivity of action. Tallimustine, benzoyl nitrogen mustard derivative of distamycin A, showed excellent antitumor activity in the preclinical tests, but as other minor groove binders, showed severe myelotoxicity. Novel nitrogen mustard derivatives of distamycin showing improved activity profile, have been identified recently. Moreover, a series of alpha-halogenoacrylamido derivatives of distamycin-like frames, in which the typical amidino moiety has been replaced with other moieties, was found to show cytotoxic and antitumor activity and cytotoxicity/myelotoxicity ratio improved significantly in comparison to tallimustine. The structural features of the alkylating moieties and binding frames, of distamycin and distamycin-like derivatives disclosed recently are discussed.

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