OXIDATION VON KETONEN

PCT No. PCT/GB94/00440 Sec. 371 Date Oct. 12, 1995 Sec. 102(e) Date Oct. 12, 1995 PCT Filed Mar. 8, 1994 PCT Pub. No. WO94/21624 PCT Pub. Date Sep. 29, 1994A process for the catalysed oxidation of ketones to esters or lactones with hydrogen peroxide in the presence of a carboxylic acid or anhydride...

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Hauptverfasser:	BROWN, SCOTT WILLIAM, STANDISH, WIGAN WN1 2TY, GB, SANDERSON, WILLIAM RONALD, WARRINGTON, CHESHIRE WA5 2PE, GB, JOHNSTONE, ALEXANDER, SOUTH WIRRAL, CHESHIRE L64 0SS, GB
Format:	Patent
Sprache:	ger
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS APPARATUS THEREFOR CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY GENERAL METHODS OF ORGANIC CHEMISTRY HETEROCYCLIC COMPOUNDS METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Zusammenfassung:	PCT No. PCT/GB94/00440 Sec. 371 Date Oct. 12, 1995 Sec. 102(e) Date Oct. 12, 1995 PCT Filed Mar. 8, 1994 PCT Pub. No. WO94/21624 PCT Pub. Date Sep. 29, 1994A process for the catalysed oxidation of ketones to esters or lactones with hydrogen peroxide in the presence of a carboxylic acid or anhydride is provided. The process employs gamma alumina as a heterogeneous catalyst. In certain preferred embodiments the catalyst also contains a tungsten-containing heteropolyacid. Preferably, the heteropolyacid contains phosphorus. In a related process, the catalyst accelerates the formation of percarboxylic acid solutions.