METHOD OF PRODUCING SUBSTITUTED BROMOBENZENES Russian patent published in 2012 - IPC C07C17/93 C07C25/02 A01N29/04 

Abstract RU 2453524 C2

FIELD: chemistry.

SUBSTANCE: invention relates to a method of producing compounds of formula , in which X denotes fluorine, chlorine, bromine or iodine and n equals 1, 2, 3 or 4, which involves reaction of a compound of formula , in which substitutes are as defined for formula I, with an inorganic nitrite in an acidic aqueous medium in the presence a bromide and a copper-containing catalyst. The method is carried out in form of a single-reactor reaction.

EFFECT: obtaining said compounds with high output and high quality using a cheap and easy method.

12 cl, 4 ex, 1 tbl

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RU 2 453 524 C2

Authors

Zhau Beat

Ehllis Kolin

Van Lin'Khua

Dates

2012-06-20Published

2007-10-08Filed