Unsaturated Sulfides, Sulfones, Sulfoxides and Sulfonamides Synthesis
申请人:Reddy M.V. Ramana
公开号:US20090124828A1
公开(公告)日:2009-05-14
α,β-Unsaturated sulfides, sulfones, sulfoxides and sulfonamides according to Formula I:
wherein Ar
1
, Ar
2
, X, n, * and R are as defined herein, are prepared by dehydration of β-hydroxy sulfides, sulfones, sulfoxides or sulfonamides.
A new class of pyrrolyl and pyrazolyl sulfonamides was prepared from styrene-ω-sulfonanilides by treatment with tosylmethyl isocyanide and diazomethane, respectively.