Ultrasound-Promoted Regioselective Synthesis of 1-Aryl-5-amino-1H-tetrazoles

[摘要]：A new method for the regioselective synthesis of 1-aryl-5-amino-1H-tetrazoles has been developed by the reaction of arylcyanamides with sodium azide using ZnCl2 under ultrasound irradiation in excellent yields.

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