C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/601
C07C 209/10 (2006.01) B01J 23/72 (2006.01) C07C 211/46 (2006.01) C07C 211/52 (2006.01) C07C 211/56 (2006.01) C07C 213/04 (2006.01)
Patent
CA 1209589
ABSTRACT "PROCESS FOR THE PREPARATION OF OPTIONALLY HALOGENATED ANILINES" Process for the manufacture of an optionally halogenated aniline of the formula: Image I in which Y = halogen t R = H, alkyl (C1-C4 ) or alkoxy (C1-C4) and n = 0 to 5. Halogenobenzenes of the formula: Image II in which Y, R and n are as above and X = halogen, are subjected to ammonolysis with aqueous ammonia solution, in the presence of copper and 8-hydroxyquinoline. The process can be used, in particular, for the preparation of 3,5-dichloroaniline.
431209
Macrae & Co.
Rhone-Poulenc Agrochimie
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