FOERFARANDE FOER STABILISERING AV NYA HALOGENERINGSFOERENINGAR

There is described a process for the stabilization of compounds of the general formula wherein X is Cl or Br and Z is hydrogen, halo, C1-C4 alkyl or C1-C4 alkoxy, which compounds are the kinetically controlled products of the reaction of equivalent amounts of a triaryl phosphite of the formula and c...

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Bibliographic Details
Main Author BINGHAM JR ALPHEUS
Format Patent
LanguageFinnish
Published 28.09.1984
Edition3
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM
APPARATUS THEREFOR
CHEMISTRY
GENERAL METHODS OF ORGANIC CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Summary:There is described a process for the stabilization of compounds of the general formula wherein X is Cl or Br and Z is hydrogen, halo, C1-C4 alkyl or C1-C4 alkoxy, which compounds are the kinetically controlled products of the reaction of equivalent amounts of a triaryl phosphite of the formula and chlorine or bromine in a substantially anhydrous inert organic solvent, which comprises mixing the halogenating compounds in an inert organic solvent with a stabilizing amount of a tertiary amino base or a complexing agent selected from a Lewis acid-metal halide, phosphorous pentachloride or bromine; with the limitation that when X is Cl the complexing agent is not bromine.
Bibliography:Application Number: FI19800000301