Process for preparing .alpha., .beta.-unsaturated aldehydes

Details Process for preparing .alpha., .beta.-unsaturated aldehydes Process for preparing .alpha., .beta.-unsaturated aldehydes

1987-02-13

1988-05-17

Lone, Werren B.

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

Organic compounds

Oxygen containing

568485, 568488, C07C 4556, C07C 4527

Patent

active

047452293

ABSTRACT:
A process for preparing .alpha.,.beta.-unsaturated aldehydes of the general formula (I) ##STR1## in which R.sup.1, R.sup.2 and R.sup.3 are independently a hydrogen atom, or an alkyl or alkenyl group with or without being substituted with a lower acyloxy group. The aldehyde of the general formula (I) is prepared by reaction between an allylic chloride of the following general formula (IIa) ##STR2## in which R.sup.1, R.sup.2 and R.sup.3 have, respectively, the same meanings as defined above, and an amine oxide selected from the group consisting of tri(lower alkyl)amine N-oxides of the formula,

REFERENCES:
patent: 3157703 (1964-11-01), Franzen

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