C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/601.2
C07C 93/14 (1980.01)
Patent
CA 1048546
PROCESS FOR PREPARING 4-CHLORO-2,5-DIMETHOXY ANILINE Abstract of the Disclosure: The catalytic hydrogenation of 4-chloro-2,5-dimethoxy nitrobenzene can be performed in water with a nickel catalyst if the average particle size is below 0.1 mm. The resulting aniline is reacted with diketene and the so-obtained N-aceto- acetyl derivative is an azoic coupling component.
240271
Hille Ernst
Mees Bernhard
Paszthory Emmerich
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