Conversion of deep internal olefins into primary alkyl...

Details Conversion of deep internal olefins into primary alkyl... Conversion of deep internal olefins into primary alkyl...

C - Chemistry, Metallurgy

07

F

C07F 5/06 (2006.01) C07C 1/32 (2006.01)

Patent

CA 2221970

A deep internal olefin is reacted with a C3-4 primary alkyl aluminum chloride in the liquid phase in the presence of a catalyst system formed from (i) a dicyclopentadienyl dihalide or halohydride of zirconium or hafnium and (ii) a hydridic co-catalyst component. Unlike prior art procedures, negligible quantities of by-product paraffins are formed in the process.

On fait réagir une oléfine interne profonde avec un chlorure primaire d'alkylaluminium C3-4 en phase liquide, en présence d'un catalyseur formé (i) d'un dihalogénure de dicyclopentadiényle ou d'un halohydrogénure de zirconium ou de hafnium et (ii) d'un co-catalyseur à base d'hydrure. Contrairement aux procédés actuels, celui-ci produit des quantités négligeables de paraffines en tant que sous-produit.

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