Process for the production of dienes from aldehydes

Details Process for the production of dienes from aldehydes Process for the production of dienes from aldehydes

1986-03-03

1986-12-09

Pal, Asok

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

Diolefin product

585603, C07C 124, C07C 1253

Patent

active

046281401

ABSTRACT:
This invention is directed to an improved process for the conversion of an aldehyde to a diolefin comprising contacting an aldehyde of 4 to 6 carbon atoms in the vapor phase at a temperature of 250.degree. to 400.degree. C. with a catalyst, the improvement comprising the addition of from 0.10 to 5 percent by weight of an aromatic compound to the aldehyde feed. Representative of the aromatic compounds useful in the instant invention are: phenol, catechol, alkylated catechol, resorcinol, hydroquinone and aniline; wherein the alkyl radical can be from 1 to 10 carbon atoms.

REFERENCES:
patent: 4524233 (1985-06-01), Hsu et al.
patent: 4547614 (1985-10-01), Vavere
patent: 4560822 (1985-12-01), Hoelderich et al.
patent: 4587372 (1986-05-01), Hsu

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