METHOD OF PREPARING FORMYLTETRAHYDROPYRANS

chemical industry. SUBSTANCE: described is method of preparing formyltetrahydropyrans of general formula I. Hydroxymethyltetrahydropyran of general formula II is dehydrogenated in the presence of copper, silver and/or gold catalyst. Formyltetrahydropyrans are useful intermediate products for medicin...

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Bibliographische Detailangaben
Hauptverfasser:	SHPIGLER VOL'FGANG, GETTS NORBERT, BRENNER KARL, KJUKENKHEKHNER TOMAS, KHENKEL'MANN JOKHEM
Format:	Patent
Sprache:	eng
Schlagworte:	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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Beschreibung
Zusammenfassung:	chemical industry. SUBSTANCE: described is method of preparing formyltetrahydropyrans of general formula I. Hydroxymethyltetrahydropyran of general formula II is dehydrogenated in the presence of copper, silver and/or gold catalyst. Formyltetrahydropyrans are useful intermediate products for medicinals and plant protection agents. EFFECT: simplified process and greater efficiency thereof. 9 cl, 5 ex