Process for the preparation of o-phthalaldehydes
US5107032A · kind A · utility
33Cited by
4References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 20, 1990 |
| Grant date | Apr 21, 1992 |
| Priority date | — |
| Expiry date | Nov 20, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C45/43
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for the preparation of o-phthalaldehydes is disclosed comprising the steps of (1) halogenating an o-xylene and (2) hydrolysis of the resulting tetrahalogeno-o-xylene.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.