Three-Component One-Pot Reactions of 2-Trifluoromethyl-N-nosylaziridine, Primary Amines, and Vinylsulfonium Salts for Convenient Access to CF₃-Containing Piperazines

Abstract

Trifluoromethylated piperazines were readily synthesized with excellent regioselectivity in high yields by the sequential reaction of 2-trifluoromethylated N-nosylaziridine (2-CF₃-N-Ns-aziridine) with various primary amines, followed by treatment with vinylsulfonium salts, in one pot.

Key words

fluorine - aziridine - vinylsulfonium salt - cyclization - piperazine - regioselectivity

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