Process for the preparation of (2,2)-paracyclophane
US4675462A · kind A · utility
21Cited by
5References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 29, 1986 |
| Grant date | Jun 23, 1987 |
| Priority date | — |
| Expiry date | Oct 29, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2603/92
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for the preparation of (2,2)-paracyclophane by conversion of p.methylbenzyltrimethylammonium halide to the corresponding hydroxide and by Hofmann elimination from p.methylbenzyltrimethylammonium hydroxide, wherein both reactions are carried out in the same aqueous solution of an alkaline hydroxide and in the presence of a copper or iron compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.