139124-06-4Relevant articles and documents
Ring transformation by ring chain transfer VI: Regioselective synthesis of (ω-aminoalkyl)pyrazoles from semicyclic 3-chloro-2-propeniminium salts and hydrazines
Bohrisch,Patzel,Mugge,Liebscher
, p. 1153 - 1156 (2007/10/02)
Novel semicyclic 3-aryl-3-chloro-2-propeniminium perchlorates 6 are synthesized by treating semicyclic enaminones 1 (2-aroylmethylene-1-methylpyrrolidines, -piperidines and -azepanes) with phosphoryl chloride dimethylformamide. Reaction of these chloropro