Method for producing halogenated...

Details Method for producing halogenated... Method for producing halogenated...

Filed on

2008-06-10

Date issued

2008-06-10

Examiner

Shameem, Golam M. M. (Department: 1626)

Patent Class

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

SubClass

Organic compounds

SubSubClass

Halogen containing

Other Related Categories

C570S123000

Type

Reexamination Certificate

Status

active

Patent number

07385093

Description

ABSTRACT:
The present invention relates to a process for preparing compounds of formula (IV)where R is H or F,by reacting a compound of formula (II)wherewhere R is H or F, andX is bromine, chlorine, mesylate, or tosylate,with a thiocyanate salt of formula (III)in-line-formulae description="In-line Formulae" end="lead"?M+SCN−  (III)in-line-formulae description="In-line Formulae" end="tail"?where M+is hydrogen, an ammonium ion, a tetraalkylammonium ion, or an alkali metal or alkaline earth metal ion,optionally in the presence of a reaction auxiliary and optionally in the presence of a diluent.

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