Method for producing arylvinylsulfone
US5902905A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 12, 1997 |
| Grant date | May 11, 1999 |
| Priority date | — |
| Expiry date | Nov 12, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C315/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
There is provided a method for producing arylvinylsulfone of the formula: ##STR1## wherein, R.sup.1 and R.sup.2 denote each independently a hydrogen atom, a halogen atom, a lower alkyl group, a lower alkoxy group, PA1 a nitro group, an amino group, a lower alkylamino group and PA1 a lower di(alkylamino) group, which comprises reacting .beta.-haloethylarylsulfone of the formula: ##STR2## wherein, R.sup.1 and R.sup.2 are as defined above and X denotes a halogen atom, with an alkali metal carbonate or an alkali metal hydrogencarbonate in the presence of a catalytic amount of an amine or its inorganic acid salt or a quaternary ammonium salt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.