C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 47/19 (2006.01) C07C 29/141 (2006.01) C07C 31/20 (2006.01) C07C 45/75 (2006.01) C07C 45/83 (2006.01)
Patent
CA 2114139
Disclosed is a continuous process for the manufacture of 2-ethyl-2-(hydroxymethyl)hexanal wherein 2-ethylhexanal, for- maldehyde and a tertiary amine are continuously fed to a reaction zone and crude product comprising an aqueous phase and an organic phase containing 2-ethyl-2(hydroxymethyl)hexanal and 2-ethylhexanal is continuously removed from the reaction zone. Also disclosed are processes for (1) the azeotropic distillation of the organic phase of the crude product whereby unreacted 2-ethylhexanal is recovered and (2) the catalytic hydrogenation of the refined, organic phase of the crude product to produce 2-butyl-2-ethyl- 1,3-propanediol.
Beavers William Anthony
Choate William Earl
Morris Don Leon
Eastman Chemical Company
Gowling Lafleur Henderson Llp
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