5-Substituted-1H-tetrazoles as carboxylic acid isosteres: medicinal chemistry and synthetic methods.

Bioorg Med Chem

Medicinal Chemistry Department, Albany Molecular Research, Inc., PO Box 15098, Albany, NY 12212-5098, USA.

Published: November 2002

AI Article Synopsis

  • 5-Substituted-1H-tetrazoles are used in medicinal chemistry as stable alternatives to carboxylic acids in drug development.
  • The review summarizes their medicinal chemistry and showcases examples of drugs containing tetrazole from recent literature.
  • It also discusses common synthetic methods for creating 5-substituted-1H-tetrazoles, particularly from various nitriles.

Article Abstract

5-Substituted-1H-tetrazoles (RCN4H) are often used as metabolism-resistant isosteric replacements for carboxylic acids (RCO2H) in SAR-driven medicinal chemistry analogue syntheses. This review provides a brief summary of the medicinal chemistry of tetrazolic acids and highlights some examples of tetrazole-containing drug substances in the current literature. A survey of representative literature procedures for the preparation of 5-substituted-1H-tetrazoles, focusing on preparations from aryl and alkyl nitriles, is presented in sections by generalized synthetic methods.

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http://dx.doi.org/10.1016/s0968-0896(02)00239-0DOI Listing

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