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US 4,306,103 AGranted
Process for the manufacture of 1,3,5-trichlorobenzene
AssigneeHoechst Aktiengesellschaft
InventorsGert Volkwein, Konrad Baessler, Hans Wolfram
Life of this patent
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Abstract
1,3,5-trichlorobenzene is manufactured by treating 5-chloro-1,3-dinitrobenzene and/or 3,5-dichloronitrobenzene with chlorine, at a temperature from about 200.degree. to 270.degree. C., preferably from about 230.degree. to 250.degree. C. The resulting process product is an intermediate, for example in plant protection.
Claims5
A process for the manufacture of 1,3,5-trichlorobenzene, which comprises reacting chlorine with 5-chloro-1,3-dinitrobenzene, 3,5-dichloronitrobenzene or a mixture thereof, at a temperature from about 200.degree. to 270.degree. C., in the absence of a catalyst.
Dependencies are inferred from the claim text.