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Methods Mol Biol. 2019;1987:207-221. doi: 10.1007/978-1-4939-9446-5_13.

Drug Discovery for Soft Drugs on TRPV1 and TRPM8 Channels Using the Passerini Reaction.

Author information

1
Dipartimento di Scienze del Farmaco, Università del Piemonte Orientale, Novara, Italy.
2
Dipartimento di Scienze del Farmaco, Università del Piemonte Orientale, Novara, Italy. giancesare.tron@uniupo.it.

Abstract

Multicomponent transformations, such as Ugi and Passerini reactions, allow for the fast synthesis of libraries of medium complexity, avoiding the formation of waste residues and significantly reducing time and money expenditure. Although the Ugi reaction has found a vast number of uses in medicinal chemistry, the employment of the Passerini reaction has received scant attention due to the formation of an α-acyloxyamide, which hardly resists the hydrolytic enzymes in the body. On the other hand, an overlooked possibility with the Passerini products is to exploit the presence of an ester group in the design and synthesis of soft drugs. We started to fill this gap, designing and synthesizing a series of TRPV1 and TRPM8 agonists able to act as soft drugs by using the Passerini reaction.

KEYWORDS:

Isocyanide; Multicomponent reactions; Passerini reaction; Soft drugs; TRPM8; TRPV1

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