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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Main Author | |
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Format | Patent |
Language | Finnish |
Published |
28.09.1984
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Edition | 3 |
Subjects | |
Online Access | Get full text |
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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. |
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Bibliography: | Application Number: FI19800000301 |