Process for the preparation of tricyclo 8.2.2.2 hexadeca 4,6,10,12,13,15 hexaene chlorinated in the benzene rings
US4886923A · kind A · utility
30Cited by
3References
9Claims
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Key dates
| Filing date | Sep 16, 1988 |
| Grant date | Dec 12, 1989 |
| Priority date | — |
| Expiry date | Sep 16, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C17/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for the chlorination of the benzene rings of tricyclo 8.2.2.2 hexadeca 4,6,10,12,13,15 hexane (or (2,2)-paracyclophane) having the formula (I): ##STR1## by gaseous chlorine, by operating in the presence of at least one metal chloride as a catalyst, and at least one co-catalyst having the formula V: EQU R--OH (V) wherein PA0 R=hydrocarbon or alkylcarboxylic radical with linear or branched chain, containing from 1 to 6 carbon atoms is taught.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.