Process for the preparation of a biphenyl derivative
US5288895A · kind A · utility
16Cited by
1References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 6, 1993 |
| Grant date | Feb 22, 1994 |
| Priority date | — |
| Expiry date | Apr 6, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C253/30
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.