Process for the preparation of 4-chloro-2,6-dialkylanilines

Details Process for the preparation of 4-chloro-2,6-dialkylanilines Process for the preparation of 4-chloro-2,6-dialkylanilines

1981-10-28

1983-08-30

Shaver, Paul F.

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

C07C 8500

Patent

active

044018339

ABSTRACT:
Process for the preparation of 4-chloro-2,6-dialkylanilines, characterized in that the ammonium salts of the 2,6-dialkylanilines are reacted with a chlorination agent at -15.degree. to 100.degree. C. in the presence of an inert organic solvent and/or diluent and, if necessary, the presence of Friedel-Crafts catalysts, and 4-chloro-2,6-dialkylaniline is then liberated from the 4-chloro-2,6-dialkylanilinium salt obtained.

REFERENCES:
patent: 1730729 (1929-10-01), Hoffa et al.
patent: 2675409 (1954-04-01), Orloff et al.
patent: 3396195 (1968-08-01), Visser
patent: 3396200 (1968-08-01), George et al.
Acta Chemica Scandinavica 19 (1965), vol. 19, No. 9, Copenhagen H. Hjeds et al, "Oximes, O-Methyl-oximes and N-Methyloximes of 2.6-Dimethyl-4-halogenobenzaldehyde", pp. 2166-2174.

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