HALOGENATED AROMATIC METHYLAMINE PRODUCTION PROCESS Russian patent published in 2005 - IPC

Abstract RU 2247713 C2

FIELD: industrial organic synthesis.

SUBSTANCE: process comprises hydrogen reduction of halogenated aromatic nitrile represented by general formula 1:

in which X denotes chlorine or fluorine atom, m integer from 1 to 5, n integer from 1 to 5, and m+n ≤ 5, provided than when n≥ 2, all X can be the same or different, using hydrogenation catalyst selected from group consisting of optionally modified porous nickel and optionally modified porous cobalt and in presence of organic acid in solvent to form halogenated aromatic methylamine represented by general formula 2: , in which X, m, and n are as defined above and "a" is integer from 1 to m).

EFFECT: enabled efficient large-scale production of desired product with high output.

20 cl, 7 ex

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RU 2 247 713 C2

Authors

Kondo Khidejjuki

Sujjama Juseki

Morikava Kokhej

Dates

2005-03-10Published

2002-06-17Filed