920-65-0Relevant articles and documents
REGIOSPECIFIC PREPARATION OF α,α-DIHALOFLUOROMETHYL PERFLUOROALKYL KETONES.
Jeong, In Howa,Burton, Donald J.,Cox, Daryl G.
, p. 3709 - 3712 (2007/10/02)
Acylation of F-phosphoranium salts with F-acyl chlorides gives the corresponding Z-perfluoro betaine in high yield.Subsequent chlorination or bromination regiospecifically yields the α,α-dihalofluoromethyl perfluoroalkyl ketones.