Process for the preparation of a biphenyl derivative

Details Process for the preparation of a biphenyl derivative Process for the preparation of a biphenyl derivative

1993-04-06

1994-02-22

Brust, Joseph Paul

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

Organic compounds

Nitriles

558411, C07C25330

Patent

active

052888959

ABSTRACT:
The subject of the invention is a process for the preparation of 4-methyl-2'-cyanobiphenyl of formula: ##STR1## wherein a benzonitrile halide of general formula: ##STR2## in which Hal represents a halogen atom, is reacted, in the presence of a manganese salt, with an organometallic derivative of general formula: ##STR3## in which X represents a halogen atom, and the complex obtained is then hydrolysed, which provides the desired compound.

REFERENCES:
patent: 4942221 (1990-07-01), Moinet et al.
Chemical Abstracts, vol. 75, (1971), Columbus, Ohio, U.S., Abstract No. 48572p Nakaya et al.
March, Advanced Organic Chemistry, 3rd Ed., (1985), pp. 828-829.
Rappoport, The Chemistry of the Cyano Group, (1970), pp. 314 and 331.

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