Process for producing biphenyl derivatives
US4263457A · kind A · utility
16Cited by
8References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 17, 1979 |
| Grant date | Apr 21, 1981 |
| Priority date | — |
| Expiry date | Aug 17, 1999 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2601/14
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for producing a halobiphenyl derivative represented by the following formula (I) comprises dehydrogenating a cyclohexylhalobenzene represented by the following formula (II) under such conditions that substantially no dehalogenation occurs. ##STR1## wherein X represents a halogen atom, and each of R.sup.1 and R.sup.2 independently represents a group represented by the formula ##STR2## wherein A represents carboxyl or an alkoxycarbonyl group and R represents a hydrogen atom or a lower alkyl group; an alkylcarbonyl; alkenyl; alkynyl; alkyl; aryl; arylcarbonyl; hydroxyalkyl; cyanoalkyl or cyanoalkenyl group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.