Isomerization of branched aldehydes to ketones

Details Isomerization of branched aldehydes to ketones Isomerization of branched aldehydes to ketones

1983-11-07

1985-08-27

Reamer, James H.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

568310, 568341, C07C 4567

Patent

active

045379955

ABSTRACT:
A process of isomerizing branched aldehydes to ketones is provided which comprises contacting at isomerization conditions a branched aldehyde with a zeolite catalyst of the formula: ##EQU1## wherein M is selected from the group consisting of a mixture of alkali metal cations, especially sodium, and tetraalkylammonium cations, the alkyl groups of which preferably contain 2 to 5 carbon atoms, and x is at least 5. The contacting is conducted at a temperature of from about 200.degree. C. to about 600.degree. C. and at a pressure of from about 20 psig to about 100 psig. The branched aldehyde is contacted in the presence of water in a molar ratio of water-to-aldehyde of up to about 20 to 1.

REFERENCES:
patent: 4011278 (1977-03-01), Plank et al.
patent: 4159282 (1979-06-01), Olson et al.
patent: 4188282 (1980-02-01), Tabak et al.
patent: 4329506 (1982-05-01), Velenyi et al.
patent: 4427790 (1984-01-01), Miale et al.
Lange et al., Neftekim, vol. 16, #6, pp. 818-822 (1976).

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