Process for the preparation of N-(2-chloro-pyridin-5-yl-methyl)e

Details Process for the preparation of N-(2-chloro-pyridin-5-yl-methyl)e Process for the preparation of N-(2-chloro-pyridin-5-yl-methyl)e

1992-11-03

1994-10-04

Ivy, C. Warren

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D207444

Patent

active

053527941

ABSTRACT:
The present invention relates to a new process for the preparation of N-(2-chloro-pyridin-5-yl-methyl)-ethylenediamine.
The process is characterised in that 6-chloronicotinaldehyde is reacted with 1,2-ethylenediamine and a reducing agent at temperatures between -30.degree. C. and +50.degree. C.
The reducing agents employed are preferably metal hydride complexes and, in particular, sodium borohydride.
N-(2-Chloro-pyridin-5-yl-methyl)-ethylenediamine, which is to be prepared by the process according to the invention, can be used as intermediate for the preparation of insecticides.

REFERENCES:
patent: 5164508 (1992-11-01), Diehr
Jerzy Wolinski, Acta Polon. Pharm., 1980, pp. 501-505.
Milos Hudlicky, Reductions in Organic Chemistry, 1984, pp. 134-136.

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