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Metal-Free Amidation Reactions of Terminal Alkynes with Benzenesulfonamide

Sachinta Mahato, Sougata Santra, Grigory V. Zyryanov, Adinath Majee*

*Department of Chemistry, Visva-Bharati (A Central University), Santiniketan 731235, India, Email:

S. Mahato, S. Santra, G. V. Zyryanov, A. Majee, J. Org. Chem., 2019, 84, 3176-3183.

DOI: 10.1021/acs.joc.8b03065

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A reaction between terminal alkynes and sulfonamides under ambient air using PIDA (diacetoxy iodobenzene) provides α-sulfonylamino ketones. This metal-free reaction offers a broad substrate scope, excellent regioselectivity, easily accessible reactants, and mild reaction conditions and is operationally simple.

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Key Words

sulfonamides, hydration, PIDA

ID: J42-Y2019