Process for the preparation of .alpha.-alkylacroleins

Details Process for the preparation of .alpha.-alkylacroleins Process for the preparation of .alpha.-alkylacroleins

1983-03-28

1985-01-29

Lone, Werren B.

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

Organic compounds

Oxygen containing

568461, C07C 4722

Patent

active

044967705

ABSTRACT:
.alpha.-Alkylacroleins are prepared by a process wherein an alkanal is reacted with formaldehyde in the presence of a secondary amine and in the presence or absence, of an acid, in the liquid phase, under superatmospheric pressure and at above 150.degree. C., for not more than 25 minutes.
The .alpha.-alkylacroleins obtainable by the process are useful starting materials for dyes, drugs and pesticides.

REFERENCES:
patent: 2848499 (1958-08-01), MacLean et al.
patent: 4317945 (1982-03-01), Bernhagen et al.
patent: 4346239 (1982-08-01), Bach et al.
patent: 4408079 (1983-10-01), Merger et al.

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