C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
C07F 9/50 (2006.01) B01J 31/24 (2006.01) C07C 45/50 (2006.01) C07C 253/10 (2006.01) C07F 9/02 (2006.01)
Patent
CA 2356817
The invention concerns a method for preparing water-soluble sulphonated organophosphorous compounds, in particular suitable for organic reactions carried out with a two-phase catalyst. The invention is characterised in that the water-soluble sulphonated organophosphorous compound is treated before being used as catalyst ligand to eliminate at least partially the radicals and sulphite compounds. The invention also concerns the organic reactions catalysed by a two-phase system comprising a treated sulphonated organophosphorous ligand to eliminate sulphites.
La présente invention concerne un procédé de préparation de composés organophosphorés sulfonés hydrosolubles, notamment convenables pour les réactions organiques réalisées avec une catalyse biphasique. Selon l'invention, le composé organophosphoré sulfoné hydrosoluble est traité préalablement à son utilisation comme ligand de catalyseur pour éliminer au moins partiellement les radicaux et composés sulfites. L'invention concerne également les réactions organiques catalysées par un système biphasique comprenant un ligand organophosphoré sulfoné traité pour éliminer les sulfites.
Aouni Larbi
Burattin Paolo
Coqueret Pierre
Huser Marc
Rhodia Polyamide Intermediates
Robic
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