Publication

Gold-Catalyzed Synthesis of 1,3-Diaminopyrazoles from 1-Alkynyltriazenes and Imines

Rosario Scopelliti, Kay Severin, Farzaneh Fadaei Tirani, Loïc Nicolas Jeanbourquin
2017
Journal Articles

Abstract

A new procedure for the synthesis of highly substituted 1,3-diaminopyrazoles is described. As substrates, we have employed 1-alkynyltriazenes and imines. The formation of pyrazoles was achieved by two-fold C–N coupling reactions in the presence of (JohnPhos)AuCl and AgNTf2 as catalyst precursors. The regioselectivity of the reaction was inferred from a crystallographic analysis of one reaction product.

Official source

https://infoscience.epfl.ch/entities/publication/2eeae7ed-6c52-44c1-8c01-ba05ca1eed7c

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Gold-Catalyzed Synthesis of 1,3-Diaminopyrazoles from 1-Alkynyltriazenes and Imines

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