Method for dealkylation of alkyl-aryl ethers
US4695659A · kind A · utility
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3References
9Claims
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Key dates
| Filing date | Jun 20, 1986 |
| Grant date | Sep 22, 1987 |
| Priority date | — |
| Expiry date | Jun 20, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C37/055
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A method is disclosed for the dealkylation of alkylaryl ethers by reaction with aluminum triodide under reflux. The reaction is carried out in the presence of a catalytic amount of a quaternary ammonium iodide in a substantially non-aqueous organic solvent. The reaction product is then hydrolyzed with water. The quaternary ammonium iodide can be of the formula R.sub.4 N.sup.+ I.sup.-, wherein R is alkyl, and the solvent is preferably benzene or cyclohexane.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.