Regioselective Synthesis of <i>N</i><sup>2</sup>-Aryl 1,2,3-Triazoles via Electro-oxidative Coupling of Enamines and Aryldiazonium Salts
作者:Mrinmay Baidya、Samrat Mallick、Suman De Sarkar
DOI:10.1021/acs.orglett.1c04099
日期:2022.2.18
An efficient syntheticroute for the construction of N2-aryl 1,2,3-triazoles is reported via sequential C–N bond formation and electro-oxidative N–N coupling under metal-free conditions. Readily accessible 2-aminoacrylates and aryldiazonium salts were used as starting materials, and the developed protocol displays excellent functional group tolerance, allowing an extensive range of substrate scope
Cu-Mediated Expeditious Annulation of Alkyl 3-Aminoacrylates with Aryldiazonium Salts: Access to Alkyl <i>N</i><sup>2</sup>-Aryl 1,2,3-Triazole-carboxylates for Druglike Molecular Synthesis
作者:Hao-Nan Liu、Hao-Qiang Cao、Chi Wai Cheung、Jun-An Ma
DOI:10.1021/acs.orglett.0c00006
日期:2020.2.21
Alkyl N-aryl 1,2,3-triazole-carboxylates are important molecules or intermediates in medicinal chemistry, but the synthesis of N2-aryl counterparts remains elusive. Herein, we describe a Cu-mediated annulation reaction of alkyl 3-aminoacrylates with aryldiazonium salts, both of which are readily available substrates. Furthermore, alkyl 2-aminoacrylates are also viable substrates. Diverse alkyl N2-aryl