Process for producing p-chlorobenzenes
US4724269A · kind A · utility
34Cited by
1References
12Claims
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Key dates
| Filing date | Jun 18, 1986 |
| Grant date | Feb 9, 1988 |
| Priority date | — |
| Expiry date | Jun 18, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C17/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for producing a p-chlorobenzene having the formula: ##STR1## wherein R is a lower alkyl group, a lower alkoxy group or a halogen atom, which comprises chlorinating a benzene having the formula: ##STR2## wherein R is as defined above, in a liquid phase in the presence of a catalyst, characterized in that the catalyst is a combination of an aliphatic alcohol having the formula: EQU R'OH (III) wherein R' is a lower alkyl group or a lower haloalkyl group, and a zeolite having a SiO.sub.2 /Al.sub.2 O.sub.3 molar ratio of from 3 to 8 and a pore size of from 6 to 10 .ANG..
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.