Process for the separation of 2-methylalkanals from isomers ther

Details Process for the separation of 2-methylalkanals from isomers ther Process for the separation of 2-methylalkanals from isomers ther

1990-08-28

1991-11-12

Manoharan, Virginia

Distillation: processes, separatory

With chemical reaction

Including step of adding catalyst or reacting material

203DIG6, 568492, B01D 334

Patent

active

050645080

ABSTRACT:
A process for the separation of 2-methylalkanals from a mixture thereof with at least one alpha unbranched aldehyde thereof comprising distillation of said mixture in the presence of formaldehyde and an aldolization catalyst whereby the alpha unbranched aldehydes are converted to alpha alkylacrolein and the 2-methylalkanals are recovered in a high purity.

REFERENCES:
patent: 4054555 (1977-10-01), Ackermann et al.
patent: 4408079 (1983-10-01), Merger et al.
patent: 4496770 (1985-01-01), Duembgen et al.
patent: 4677230 (1987-06-01), Hupfer et al.
patent: 4678857 (1987-07-01), Dureanleau et al.
patent: 4922028 (1990-05-01), Oswald et al.
New Syntheses With Carbon Monoxide: Edited by J. Falbe, 1980 pp. 3-59.

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