Preparation of alpha-alkylacroleins

Details Preparation of alpha-alkylacroleins Preparation of alpha-alkylacroleins

1982-01-15

1983-10-04

Lone, Werren B.

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

Organic compounds

Oxygen containing

568461, C07C 4722

Patent

active

044080794

ABSTRACT:
.alpha.-Alkylacroleins are prepared by reacting an alkanal with formaldehyde and a secondary amine in the presence of a carboxylic, dicarboxylic or polycarboxylic acid in certain molar ratios within a pH range of from 2.5 to 7 and at from 0.degree. to 150.degree. C.
The .alpha.-alkylacroleins which can be prepared by the process described are valuable starting materials for dyes, drugs and pest control agents.

REFERENCES:
patent: 2518416 (1950-08-01), Bortnick
patent: 2639295 (1953-05-01), Hagemeyer, Jr.
patent: 2848499 (1958-08-01), MacLean et al.
patent: 4283564 (1981-08-01), Bernhagen et al.
Russ. Chem. Rev. 33 (1964), pp. 311-317.

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