Tetrahedron Letters p. 6373 - 6374 (1995)
Update date:2022-07-29
Topics:
Fukuyama, Tohru
Jow, Chung-Kuang
Cheung, Mui
2- and 4-nitrobenzenesulfonamides, readily prepared from primary amines, undergo smooth alkylation by Mitsunobu reaction or by conventional methods to give N-alkylated sulfonamides in near quantitative yields. These sulfonamides could be deprotected readily via Meisenheimer complexes upon treatment with thiolates in DMF at room temperature, giving secondary amines in high yields.
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Doi:10.1016/S0040-4039(00)61139-5
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(2011)Doi:10.1039/c1gc15569e
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