Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
PRODUCTION OF N,N'-BIS(3-AMINOPROPYL DIAMINOALKANE
Document Type and Number:
Japanese Patent JPH08333308
Kind Code:
A
Abstract:

PURPOSE: To obtain an N,N'-bis(3-aminopropyl)diaminoalkane useful as an intermediate for pharmaceuticals or agrochemicals containing little amount of by- products, easy to be purified in high selectivity and high yield by a catalytic hydrogenation of an N,N'-bis(2-cyanoethyl)diaminoalkane in a mixture of a solvent, ammonia and a catalyst.

CONSTITUTION: The compound of the formula; H2NCH2CH2CH2NH-R-NHCH2 CH2CH2NH2 is obtained by adding (B) a compound of the formula; NCCH2CH2 NH-R-NHCH2CH2CN (R is a 2-12C saturated hydrocarbon residue) to (A) a mixture of (A1) methyl alcohol, butyl alcohol, (A2) ammonia and (A3) a hydrogeneration catalyst such as Raney Nickel, platinum-group metal, etc., to effect catalytic hydrogenation using (C) hydrogen.


Inventors:
KADOIE TERUHIKO
ARIMA HITOSHI
SHIOMI YASUHIRO
Application Number:
JP16677995A
Publication Date:
December 17, 1996
Filing Date:
June 07, 1995
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
KOEI CHEMICAL CO
International Classes:
B01J23/40; B01J25/00; C07B61/00; C07C209/48; C07C211/14; (IPC1-7): C07C211/14; B01J23/40; B01J25/00; C07C209/48