Ring transformation by ring chain transfer VI: Regioselective synthesis of (ω-aminoalkyl)pyrazoles from semicyclic 3-chloro-2-propeniminium salts and hydrazines

DOI: 10.1055/s-1991-28409

Source and publish data:

Synthesis p. 1153 - 1156 (1991)

Update date:2022-08-03

Topics:

Authors:

Bohrisch

Patzel Patzel

Mugge Mugge

Liebscher

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Article abstract of DOI:10.1055/s-1991-28409

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

Full text of DOI:10.1055/s-1991-28409

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