Patent · US Expired

Process for the preparation of ketones

US5136101A · kind A · utility

14Cited by
1References
18Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 30, 1991
Grant dateAug 4, 1992
Priority date
Expiry dateSep 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 a ketone which comprises reacting the corresponding secondary 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, and an alkali metal nitrosodisulfonate in the presence of an oxidant at a temperature in the range of from about -10.degree. C. to about 80.degree. C. and thereafter separating out the ketone.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.