Process for the preparation of 2-methylene aldehydes

Details Process for the preparation of 2-methylene aldehydes Process for the preparation of 2-methylene aldehydes

1980-12-29

1982-08-24

Lone, Werren B.

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

Organic compounds

Oxygen containing

568433, 568459, 568463, 568464, C07C 4722

Patent

active

043462391

ABSTRACT:
A process for the preparation of 2-methylene aldehydes is disclosed wherein formaldehyde is reacted with an aldehyde of the general formula R--CH.sub.2 CHO, where R stands for a substituted or unsubstituted organic radical having from 2 to 12 carbon atoms. The reaction takes place in the presence of a mixture of a secondary amine and an organic carboxylic acid having up to 5 carbon atoms.

REFERENCES:
patent: 2518416 (1950-08-01), Bortinick
patent: 2639295 (1953-05-01), Hagemeyer
patent: 3463818 (1969-08-01), Blumenthal
patent: 4283564 (1981-08-01), Berhagen et al.
Smith "Acrolein" Wiley & Sons, N.Y. '1962 pp. 211-244, 8.4-8.5.
Takashi "Chemical Abstracts" vol. 60, p. 2775.
Farberov et al. "Chemical Abstracts" vol. 59, pp. 393-394 (1963).
Malinowshi et al. "Chemical Abstracts" vol. 56, pp. 2321-2322 (1962).
"Handbook of Chemistry & Physics" 55th ed. (1974-1975) pp. C-101 & C-305.

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