Process for the preparation of a linear aldehyde organic...

Details Process for the preparation of a linear aldehyde organic... Process for the preparation of a linear aldehyde organic...

C - Chemistry, Metallurgy

07

C

C07C 69/716 (2006.01) C07C 45/50 (2006.01) C07C 47/12 (2006.01) C07C 47/19 (2006.01) C07C 67/347 (2006.01) C07C 67/38 (2006.01) C07C 253/30 (2006.01) C07C 255/17 (2006.01)

Patent

CA 2162164

Process for the preparation of a linear aldehyde organic compound by hydroformylation (b) starting from an internally unsaturated functionalised organic compound whereby first (a) a portion of the internally unsaturated functionalised organic compound is isomerized to a terminally unsaturated functionalised organic compound in the presence of a suitable isomerization catalyst, wherein following the isomerization step (a), the hydroformylation (b) is effected in the presence of carbon monoxide, hydrogen and a catalyst which preferentially catalyzes the hydroformylation reaction of the terminally unsaturated functionalised organic compound to the linear aldehyde organic compound, the internally unsaturated functionalised organic compound remaining practically unhydroformylated, whereupon (c) the linear aldehyde organic compound is separated out of the mixture and (d) the remainder of the unsaturated functionalised organic compound- containing mixture is recirculated to the isomerization step (a).

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