Process for the oxidation of alcohols to aldehydes
US5155278A · kind A · utility
14Cited by
1References
14Claims
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Key dates
| Filing date | Sep 30, 1991 |
| Grant date | Oct 13, 1992 |
| Priority date | — |
| Expiry date | Sep 30, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C45/29
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for the preparation of an aldehyde which comprises reacting the corresponding alkanol with a solubilized stable free radical nitroxide having the formula: ##STR1## wherein each of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 is an alkyl, aryl or heteroatom substituted alkyl group having 1 to about 15 carbon atoms and each of R.sub.5 and R.sub.6 is alkyl, hydrogen, aryl or a substituted heteroatom, nitric acid and a non-basic polar solvent, in the presence of an oxidant, for about eight hours or less at a temperature in the range of from about -10.degree. C. to about 25.degree. C., and thereafter separating out the aldehyde.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.