Synthetic Communications p. 949 - 955 (2016)
Update date:2022-08-04
Topics:
Newcomer, Rebecca
McKee, James
Zanger, Murray
ABSTRACT: Previous work has demonstrated that alkylated benzene sulfonanilides undergo sulfuric acid (98%)–catalyzed rearrangement to alkylamino diaryl sulfones. Similar treatment of their unalkylated analogs typically leads only to hydrolysis. Surprisingly, when the unalkylated benzene sulfonanilides react with triflic acid, rearrangement to sulfones does occur.
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