Process for preparation of halogenated benzene derivatives
US4849560A · kind A · utility
5Cited by
2References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 24, 1988 |
| Grant date | Jul 18, 1989 |
| Priority date | — |
| Expiry date | Aug 24, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C17/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
p-Substituted halogenated benzene derivatives are prepared at a high selectivity by halogenating benzene and/or benzene derivatives by using as a catalyst a zeolite modified with a metal salt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.