New routes to heterocycles via sulphenylation of unsaturated amides
作者:Zakaria KM Abd El Samii、Mohamed I Al Ashmawy、John M. Mellor
DOI:10.1016/s0040-4039(00)96017-9
日期:1987.1
Reaction of manganic acetate with organic disulphides in dichloromethane-trifluoroacetic acid in the presence of a variety of unsaturated amides leads to intramolecularcyclisation with formation of sulphenylated oxazolines, oxazines or tetrahydropyrroles.