Method of making m-chlorobenzotrifluoride

Details Method of making m-chlorobenzotrifluoride Method of making m-chlorobenzotrifluoride

1997-04-07

1998-05-12

Geist, Gary

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

Organic compounds

Halogen containing

C07C 1704

Patent

active

057508119

ABSTRACT:
Disclosed is a method of making m-chlorobenzotrifluoride. Benzotrifluoride is reacted with chlorine gas in the presence of about 0.1 to about 5 mole % (based on benzotrifluoride) of a metal chloride which can be FeCl.sub.3, SbCl.sub.3, or AlCl.sub.3 and about 0.025 to about 5.0 mole % (based on benzotrifluoride) of a catalyst having the formula ##STR1## where Z is halogen, alkyl from C.sub.1 to C.sub.6, alkoxy from C.sub.1 to C.sub.6, or fluoroalkyl from C.sub.1 to C.sub.6, n is 0 to 5, and the molar ratio of metal chloride to cocatalyst is about 0.5 to about 4.

REFERENCES:
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patent: 4186153 (1980-01-01), Potts
patent: 4691066 (1987-09-01), Inoue
CA:109:1050216 abs of JP63022529, Jan. 1988.
Beilstein reg no 510215 pre section prep J Org Chem USSR 20, pp. 1993-1996, A. A. Ushakov, 1984.
Zh. Org. Khim 19(11) 2368 (1983).

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