Process for producing 2-(p-chlorophenoxy) aniline

Details Process for producing 2-(p-chlorophenoxy) aniline Process for producing 2-(p-chlorophenoxy) aniline

1987-06-24

1991-11-26

Hollrah, Glennon H.

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

Organic compounds

Amino nitrogen containing

C07C20936

Patent

active

050684370

ABSTRACT:
2-(p-chlorophenoxy)aniline is prepared in a process which provides improved yields and reduction of key impurities. A solution comprising 2-(p-chlorophenoxy)nitrobenzene, o-dichlorobenzene, and a platinum catalyst is prepared followed by the addition thereto of hydrazine hydrate in water. The temperature is maintained at 80.degree. C. to 110.degree. C. during the addition and until completion of the reaction. The reaction mixture is then cooled to 20.degree. C. to 40.degree. C. and filtration, washing, and distillation workup steps follow.

REFERENCES:
patent: 3944575 (1976-03-01), Villaescusa et al.

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