METHOD OF PRODUCING DIARYLAMINE Russian patent published in 2009 - IPC C07D213/80 C07D213/79 C07D213/75 C07C273/18 C07C275/42 C07C275/30

Abstract RU 2351590 C2

FIELD: chemistry.

SUBSTANCE: present invention refers to method of producing diarylamine compound of Formulas , including the stage (1) including formula 21 compound tailing to amine of formula 22 with alkali salt or transition metal catalyst added, and the stage (2) group Y removing from produced compound with acid added: , where radical values are those specified in cl. 1 of formula of invention; as well as to compound of formula (A) or , where X₁, X₂, X₃ and X₄ are independently chosen from fluorine and chlorine; and R represents H or methyl.

EFFECT: high-yield production of high purity diaryamines.

49 cl, 9 ex

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RU 2 351 590 C2

Authors

Snunian Dzhon R.

Oliver-Sheffer Patrika-Ehnn

Dates

2009-04-10—Published

2004-02-10—Filed