PRODUCTION OF TERTIARY METHYLPHOSPHINE OXIDES

Production of tertiary methylphosphine oxides of the general formula (I) in which R and R' each stand for identical or different, alkyl groups other than a hydroxymethl group, having from 1 to 6 carbon atoms. The compounds are produced by subjecting tertiary hydroxymethylphosphines of the gener...

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Hauptverfasser:	LIPPSMEIER, BERND, HESTERMANN, KLAUS, REUTER, MARTIN
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM APPARATUS THEREFOR CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY GENERAL METHODS OF ORGANIC CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	Production of tertiary methylphosphine oxides of the general formula (I) in which R and R' each stand for identical or different, alkyl groups other than a hydroxymethl group, having from 1 to 6 carbon atoms. The compounds are produced by subjecting tertiary hydroxymethylphosphines of the general formula (II) in which R and R1 have the meanings given above, to a thermal rearrangement reaction at temperatures higher than about 90.degree.C or, in the presence of BF3.etherate as catalyst, at temperatures within the range -10 and.250.degree.C.