Hypervalent Iodine in Synthesis 73: A New Stereoselective Synthesis of 1-(1-alkenyl) Benzotriazoles by the reaction of Alkenyl(phenyl)iodonium Salts with Benzotriazole †

Abstract

We report the preparation of 1-(1-alkenyl)benzotriazoles from alkenyl (phenyl)iodonium salts and benzotriazole. The reaction offers a simple and convenient route for the stereoselective synthesis of 1-(1-alkenyl)benzotriazoles. In addition, present method is particularly efficient for preparing 1-(1-alkenyl)benzotriazoles with amino-, acyl- and alkoxycarbonyl substituents, which were difficult to prepare by conventional methods.

Keywords

hypervalent iodine 1-(1-alkenyl)benzotriazoles

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