Process for the manufacture of 2,6-dichloro-4-nitroaniline, and

Details Process for the manufacture of 2,6-dichloro-4-nitroaniline, and Process for the manufacture of 2,6-dichloro-4-nitroaniline, and

1981-05-13

1983-11-08

Doll, John

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

Organic compounds

Amino nitrogen containing

564441, C07C 8524

Patent

active

044144156

ABSTRACT:
(1) Process for the manufacture of 2,6-dichloro-4-nitroaniline.
(2) This process consists in chlorinating paranitroaniline, with chlorine gas, in an aqueous solution of hydrochloric acid having a concentration of between 4 and 7.5 N, at the boil, at a temperature between 95.degree. and 110.degree. C.
(3) This process makes it possible to obtain 2,6-dichloro-4-nitroaniline with an improved yield and an improved quality of product.

REFERENCES:
patent: 3396195 (1968-08-01), Visser
patent: 3396200 (1968-08-01), George et al.
patent: 3754034 (1973-08-01), Crocker
patent: 3890388 (1975-06-01), Schimelpfenig
Flurscheim, "J. Chem. Soc.", vol. 93, pp. 1,772-1,775 (1908).

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