Journal
JOURNAL OF INCLUSION PHENOMENA AND MACROCYCLIC CHEMISTRY
Volume 78, Issue 1-4, Pages 15-37Publisher
SPRINGER
DOI: 10.1007/s10847-013-0334-x
Keywords
Tetrazole; Bioisosterism; Synthesis; Biological properties
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Tetrazoles are often used as metabolism-resistant isosteric replacements for carboxylic acids in SAR-driven medicinal chemistry analogue syntheses. Tetrazoles have not been found in nature; with rare exceptions, these compounds do not exhibit appreciable biological activity, but they are at the same time resistant to biological degradation. This property makes it possible to use tetrazoles as isosteric substituents of various functional groups in the development of biologically active substances. The tetrazole motif has been used in various drug pharmacophores as a suitable replacement of carboxylic acid moiety and different methods have been used for the synthesis of tetrazoles using different reaction conditions. This review tries to give a vivid look on the different synthetic methods, using catalysts or different reagents for the synthesis of tetrazoles. The biological importance of tetrazoles has also been highlighted.
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