On treatment of the N, N'-disubstituted sulfamides (III) bearing active hydrogens at α-carbons with thionyl chloride and triethylamine, sulfenimines (II) were obtained. These reactions were also applied to cephalosporins (XI and XIII).
                                    用亚
硫酰氯和
三乙胺处理具有α-碳活性氢的N,N'-二取代磺酰胺(III),可得到亚磺
亚胺(II)。这些反应也适用于
头孢菌素(XI和XIII)。