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US 5,177,258 AGranted
Method of production of biaryl derivatives
AssigneeBromine Compounds Ltd.
InventorsAbram Becker, Ariel A. Ewenson, Bertha Croitoru
Life of this patent
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Abstract
Biaryl derivatives are produced by coupling an aryl halide in an aqueous alkaline solution in the presence of a palladium catalyst, using formic hydrazide as the reducing agent.
Claims20
A method for the preparation of biaryl derivatives wherein an aryl halide is reductively coupled in an aqueous alkaline solution in the presence of a palladium catalyst, using formic hydrazide as the reducing agent.
Dependencies are inferred from the claim text.