C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 53/48 (2006.01) C07C 41/06 (2006.01) C07C 43/12 (2006.01) C07C 51/58 (2006.01) C07C 67/14 (2006.01) C07C 69/63 (2006.01)
Patent
CA 2154847
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.
Kumai Seisaku
Oharu Kazuya
Asahi Glass Company Ltd.
Smart & Biggar
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