Metal‐free Decarboxylative Annulation of 2‐Aryl‐2‐isocyano‐acetates with Aryldiazonium Salts: General Access to 1,3‐Diaryl‐1,2,4‐triazoles
作者:Yu‐Ting Tian、Fa‐Guang Zhang、Jing Nie、Chi Wai Cheung、Jun‐An Ma
DOI:10.1002/adsc.202001016
日期:2021.1.5
Isocyanoacetates are versatile substrates for the synthesis of heterocyclic compounds, but the concomitant decarboxylation remains rare. Herein we report a decarboxylative annulation reaction of 2‐aryl‐2‐isocyanoacetates with aryldiazonium salts. This metal‐free, base‐promoted protocol allows for the access to a broad collection of 1,3‐diaryl‐1,2,4‐triazoles, including chiral triazole‐based binaphthalene