Hazardous or toxic waste destruction or containment – Processes for making harmful chemical substances harmless,... – Harmful chemical substances made harmless – or less harmful,...
Patent
1998-04-30
2000-11-28
Richter, Johann
Hazardous or toxic waste destruction or containment
Processes for making harmful chemical substances harmless,...
Harmful chemical substances made harmless, or less harmful,...
C07C25500
Patent
active
061538108
ABSTRACT:
Disclosed is a method of making an o-arylbenzonitrile by reacting o-chlorobenzonitrile with a substituted phenylzinc halide. The reaction is performed in the presence of a nickel catalyst, an ethereal solvent, and N-methylpyrrolidinone as a cosolvent.
REFERENCES:
patent: 5240928 (1993-08-01), Allen et al.
Danishefsky, S., et al, Selective Carbon-Carbon Bond Formation via Transition Metal Catalysis, 3. A Highly Selective Synthesis of Unsymetrical Biaryls and diarylmethanes by the Nickel-or Palladium-Catalyzed Reaction of Aryl-and Benzylzinc Derivatives, 1977.
Huang Bao-Guo
Tang David Y.
Brookes Anne E.
Fuerle Richard D.
Murray Joseph
Occidental Chemical Corporation
Richter Johann
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