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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

Organic & Biomolecular Chemistry Pub Date: 2003-03-27 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.

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

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Organic & Biomolecular Chemistry

Journal Name：Organic & Biomolecular Chemistry

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