C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 317/42 (2006.01)
Patent
CA 2060710
A process for preparing 1,3-dioxoles of formula: Image in which X1 and X3, like or different from each other, are F or H, X5 and X6, like or different from each other, are F or CF3, by dehalogenation reaction of the corresponding 4,5-dihalodioxolanes in the presence of a dehalogenation agent at a temperature ranging from + 30° to + 130°C. The starting dioxolanes are essentially in the isomeric form anti.
Fontana Simonetta
Navarrini Walter
Ausimont S.p.a.
Mccarthy Tetrault Llp
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