Copper Triflate Mediated α-Monohalogenation of α-Diazo β-Ketosulfones with Ammonium Halides

Abstract

Copper triflate mediated α-monohalogenation of α-diazo β-ketosulfones with ammonium halides provides the corresponding α-halo β-ketosulfones. Different metal triflates are investigated for this facile and efficient transformation. A plausible mechanism is proposed.

Key words

diazo compounds - β-ketosulfones - C–H insertion - ammonium halides - monohalogenation

• References


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