C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/657.1, 260/5
C07C 21/18 (2006.01) C07C 51/16 (2006.01) C07C 53/21 (2006.01)
Patent
CA 1220221
PRECIS DE LA DIVULGATION: L'invention a pour objet un procédé de préparation d'acides perfluoroalcane-carboxyliques. Selon ce procédé, on fait réagir un perfluoro-iodo-alcane RFI avec le tri- chloréthylène dans un solvant acide en présence de zinc, puis on oxyde le perfluoroalkyl-2 dichloro-l,l éthylène ainsi obtenu à l'aide de permanganate.
473782
Blancou Hubert
Commeyras Auguste
Teissedre Robert
Atochem
Robic Robic & Associes/associates
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