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Modelling of absorption, distribution and physicochemical properties of AT1 receptor antagonists / Modelovanie absorpcie, distribúcie a fyzikálnochemických vlastnosti antagonistov AT1 receptorov Cover

Modelling of absorption, distribution and physicochemical properties of AT1 receptor antagonists / Modelovanie absorpcie, distribúcie a fyzikálnochemických vlastnosti antagonistov AT1 receptorov

Open Access
|Dec 2015

Abstract

The theoretical chemistry methods were used to elucidate absorption, distribution and physicochemical properties of AT1 receptor antagonists and dual angiotensin II and endothelin A receptor antagonist (PS-433540). Computed partition coefficients (ALOGPS method) studied for drugs varied between 2.98 and 6.66. Neutral compounds are described as lipophilic drugs. Telmisartan is a drug with the highest lipophilicity. The neutral forms of the studied AT1 receptor antagonists are practically insoluble in water, and their computed solubilities is in interval between 2.04 and 22.65 mg/l (ALOGpS method). The calculated pKa values for tetrazolyle moiety are in the range 3.92-5.00 and for carboxylic moiety 3.12-5.50. Telmisartan (polar surface area = 72.95 A) and irbesartan (polar surface area = 87.14 A) belong to the AT1 receptor antagonists with increased absorption.

Language: English
Page range: 20 - 31
Submitted on: Sep 14, 2015
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Accepted on: Oct 21, 2015
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Published on: Dec 31, 2015
In partnership with: Paradigm Publishing Services
Publication frequency: 2 issues per year
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© 2015 Pavol Ježko, Viera Žufková, Milan Remko, published by Comenius University in Bratislava, Faculty of Pharmacy
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.