Abstract
Reaction of arylsulfonyl, pyridylearbonyl and arylalkylhydrazines 2 with 2,4‐dinitrophenyl‐pyridinium chloride 1 affords N‐iminopyridinium ylides 3. The sodium borohydride reduction of ylides 3 to N‐imino‐1,2,3,6‐tetrahydropyridines is described.

This publication has 4 references indexed in Scilit: