A practical base mediated synthesis of 1,2,4-triazoles enabled by a deamination annulation strategy
作者:Chunyan Zhang、Zuyu Liang、Xiaofei Jia、Maorong Wang、Guoying Zhang、Mao-Lin Hu
DOI:10.1039/d0cc05828a
日期:——
A rapid and efficient base mediated synthesis of 1,3,5-trisubstituted 1,2,4-triazoles has been developed from annulation of nitriles with hydrazines, which can be scaled up to a wide range of triazoles in good to excellent yields. Ammonia gas is liberated during the reaction, and halo, hetero functional groups as well as free hydroxyl, amino are tolerated in this transformation. A variety of alkyl