2-Chloro-trichloro-benzonitriles

Details 2-Chloro-trichloro-benzonitriles 2-Chloro-trichloro-benzonitriles

1973-03-05

1976-01-06

Gotts, Lewis

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

71105, 424304, C07C12152

Patent

active

039312763

ABSTRACT:
Benzonitrile derivatives having the formula: ##SPC1##
Wherein X is Cl or CCl.sub.3, are prepared by reacting dimethyl benzonitriles having the formula: ##SPC2##
With chlorine at temperatures of from 20.degree. to 200.degree.C, optionally in the presence of UV-irradiation to form bis-(trichloromethyl)-benzonitriles which are optionally chlorinated, if necessary after intermediate isolation, in a second reaction stage at temperatures of from 200.degree. to 280.degree.C until the elimination of carbon tetrachloride is over.

REFERENCES:
elslager et al: J. Med. Chem., Vol. 13, No. 3, pp. 542-544 (1970).

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