PREPARATION OF DIFLUOROACETIC ACID FLUORIDE AND DIFLUOROACETIC ACID ESTERS

A method for preparing difluoroacetic acid fluoride, which comprises reacting a 1-alkoxy-1,1,2,2-tetrafluoroethane of the formula HCF2CF2OR1 wherein R1 is a C1-4 alkyl group in a gas phase in the presence of a metal oxide catalyst.

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Bibliographische Detailangaben
Hauptverfasser:	OHARU, KAZUYA, KUMAI, SEISAKU
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS 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:	A method for preparing difluoroacetic acid fluoride, which comprises reacting a 1-alkoxy-1,1,2,2-tetrafluoroethane of the formula HCF2CF2OR1 wherein R1 is a C1-4 alkyl group in a gas phase in the presence of a metal oxide catalyst.