Process for the preparation of 2-alkyl-1,4-butanedial

Details Process for the preparation of 2-alkyl-1,4-butanedial Process for the preparation of 2-alkyl-1,4-butanedial

1986-02-12

1987-06-23

Lone, Werren B.

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

Organic compounds

Oxygen containing

568454, C07C 4549

Patent

active

046754512

ABSTRACT:
A process is disclosed for the preparation of 2-alkyl-1,4-butanedial by hydroformylation of acetals of a 2-alkyl-substituted-1-propenal in the presence of a complex rhodium catalyst. The 3-alkyl-4,4-dialkoxybutanal obtained in this manner is separated and hydrolyzed to the desired compound.

REFERENCES:
patent: 3189655 (1965-06-01), Thompson
patent: 3527809 (1970-09-01), Pruett et al.
patent: 3928459 (1975-12-01), Mercier
patent: 4467120 (1984-09-01), Fischer et al.
patent: 4507508 (1985-03-01), Hayden et al.

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