Synthesis of 1-alkynyl(diphenyl)onium salts of group 16 elements via heteroatom transfer reaction of 1-alkynyl(phenyl)-λ3-iodanes,10.1039/B212512A

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Synthesis of 1-alkynyl(diphenyl)onium salts of group 16 elements via heteroatom transfer reaction of 1-alkynyl(phenyl)-λ3-iodanes

Masahito Ochiai,Takema Nagaoka,Takuya Sueda,Jie Yan,Da-Wei Chen,Kazunori Miyamoto

Organic & Biomolecular Chemistry Pub Date : 03/27/2003 00:00:00 , DOI:10.1039/B212512A

Abstract

1-Alkynyl(phenyl)-λ³-iodanes undergo selective transfer of the alkynyl groups over the phenyl group onto diphenyl chalcogens. Exposure of 1-alkynyl(phenyl)-λ³-iodanes to diphenyl chalcogens (S, Se, and Te) in dichloromethane or 1,2-dichloroethane affords 1-alkynyl(diphenyl)sulfonium, -selenonium, and -telluronium salts in high yields.