Preparation of aldehydes

Details Preparation of aldehydes Preparation of aldehydes

1989-04-13

1990-07-17

Lone, Werren B.

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

Organic compounds

Oxygen containing

568470, 568475, C07C 4534

Patent

active

049422634

ABSTRACT:
Olefins which are free of allylic hydrogens, and which contain two hydrogens bonded to a carbon atom which is bonded to another carbon by a double bond, from aldehydes when reacted with oxygen in the presence of an acidic silver catalyst, such as silver dispersed on .gamma.-alumina. For example, 1,3-butadiene is oxidized to crotonaldehyde.

REFERENCES:
patent: 3840602 (1974-10-01), McCain et al.
patent: 3923881 (1975-12-01), Murib et al.
patent: 4415757 (1983-11-01), Pyke et al.
patent: 4477997 (1984-10-01), Rao
Greenen et al., Journal of Catalysis vol. 77, (1982), pp. 499-509.

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