Process for the preparation of a cyanobiphenyl
US6392080B1 · kind B1 · utility
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1References
17Claims
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Assignee
Inventors
Key dates
| Filing date | Jun 30, 1999 |
| Grant date | May 21, 2002 |
| Priority date | — |
| Expiry date | Jun 30, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C253/30
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The subject-matter of the invention is a process for the preparation of o-(p-tolyl)benzonitrile, characterized in that an o-halobenzonitrile is treated with a p-tolylmagnesium halide in the presence of a manganous salt and of a cocatalyst comprising a transition metal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.