2015
DOI: 10.1039/c4gc02236j
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Abstract: A practical and highly efficient method for the construction of a variety of sulfonamides mediated by I2 was demonstrated. The reaction proceeds readily at room temperature using a variety of sodium sulfinates and amines or ammonia in water in a metal-, base-, ligand-, or additive-free protocol. Primary, secondary and tertiary sulfonamides were obtained in good to excellent yields with a broad range of substrate tolerability.

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Cited by 113 publications
(67 citation statements)
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“…

A new metal-free sulfonylation reaction is described. [6][7][8] These methods either use harsh conditions, non-environmentally friendly reagents or are limited in scope. 2695 clean and mild transfer of sulfonyl groups to amines and anilines.

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“…

A new metal-free sulfonylation reaction is described. [6][7][8] These methods either use harsh conditions, non-environmentally friendly reagents or are limited in scope. 2695 clean and mild transfer of sulfonyl groups to amines and anilines.

…”
mentioning
confidence: 99%
“…13 C NMR (101 MHz, CDCl 3 ) δ C = 135.3, 133.2, 129.3 (2C), 128.0 (2C), 66.2 (2C), 46.1 (2C).4-Tosylmorpholine (3ba):[8] Prepared according to the general procedure. 13 C NMR (101 MHz, CDCl 3 ) δ C = 135.3, 133.2, 129.3 (2C), 128.0 (2C), 66.2 (2C), 46.1 (2C).4-Tosylmorpholine (3ba):[8] Prepared according to the general procedure.…”
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“…Notably, Song and co-workers developed an interesting iodine-mediated procedure in 2015. [14] The reaction proceeds at room temperature in water under metal-and base-free conditions, good yields of sulfonamides can be prepared from the corresponding sodium sulfinates and amines or ammonia. As our continuing interest in developing green synthetic methodologies, [15] here we would like to report our newly developed procedure on the direct synthesise of primary sulfonamide from thiols and aqueous ammonia under metalfree conditions.…”
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confidence: 99%