C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/539.8
C07C 59/135 (2006.01) C07C 51/62 (2006.01)
Patent
CA 1314561
HOE 87/F 068 Abstract of the disclosure: Process for the preparation of halogenated carboxylic acid fluorides, in which a carboxylic acid fluoride is reacted with hexafluoropropene oxide in the presence of a catalyst system composed of an alkali metal fluoride, a carboxylic acid dinitrile and at least one ether of the formula CH3O-(CH2CH2O)z-CH3 (V) in which z denotes an integer from 2 to 6.
560577
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Hoechst Aktiengesellschaft
Schwertfeger Werner
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