Synthesis of 1,4-dichlorobenzene
US4777305A · kind A · utility
5Cited by
2References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 22, 1987 |
| Grant date | Oct 11, 1988 |
| Priority date | — |
| Expiry date | Oct 22, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C17/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
In a process for reacting an aromatic compound (preferably chlorobenzene) with free chlorine in the presence of a catalyst comprising a zeolite of the L family (zeolite L) under such reaction conditions as to obtain a product comprising 1,4-dichlorobenzene, the improvement comprises employing ammonium ion-exchanged zeolite of the L family.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.