Reactions of sulfenamides with alkynes in the presence of phosphorus(v) oxohalides
作者:N. V. Zyk、E. K. Beloglazkina、M. A. Belova、N. S. Zefirov
DOI:10.1007/bf02494922
日期:2000.11
The reactions of alkynes with arylsulfenamides activated with phosphorus oxohalides giving rise to aryl β-halovinyl sulfides were investigated. The reactions with acetylene, oct-1-yne, and oct-4-yne aretrans-stereospecific, whereas the reaction with phenylacetylene afforded a mixture ofcis- andtrans-addition products. The addition to unsymmetrical alkynes yielded a mixture of Markovnikoff and anti-Markovnikoff