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J Med Chem. 2002 Oct 10;45(21):4794-8.

Comparison of 3D structures and AT(1) binding properties of pyrazolidine-3,5-diones and tetrahydropyridazine-3,6-diones with parent antihypertensive drug irbesartan.

Author information

1
Institut de Chimie Pharmaceutique Albert Lespagnol, Université de Lille 2, Rue du Professeur Laguesse, BP 83, F-59006 Lille, France. blebourdonnec@adolor.com

Abstract

A new series of nonpeptide AT(1) receptor antagonists were recently developed, based on the structure of irbesartan (Le Bourdonnec et al. J. Med. Chem. 2000, 43, 2685-2697). The lead compound 1 displayed high selectivity for the AT(1) receptor subtype but lower binding affinity than irbesartan. As expected from molecular modeling studies, extension of the pyrazolidine-3,5-dione scaffold to the six-membered heterocycle tetrahydropyridazine-3,6-dione led to an enhancement of the binding affinity toward the AT(1) receptor.

PMID:
12361407
DOI:
10.1021/jm010457z
[Indexed for MEDLINE]

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