Process for the production of substituted toluene compounds
US4165268A · kind A · utility
4Cited by
1References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 31, 1977 |
| Grant date | Aug 21, 1979 |
| Priority date | — |
| Expiry date | Oct 31, 1997 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C17/14
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for the production of benzal bromides which contain an electrophilic substituent in the ortho- and/or para-position of the formula (Ia), or of mixtures thereof with the corresponding benzyl bromides of the formula (Ib), ##STR1## IN WHICH R represents an electrophilic substituent in the ortho- and/or para position, by treating correspondingly substituted toluenes with elementary bromine under irradiation with visible light in a two-phase system which consists of an aqueous and an organic phase, which process comprises carrying out the reaction in the presence of a base.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.