Aldehyde-ethers

Details Aldehyde-ethers Aldehyde-ethers

1982-04-07

1983-11-08

Lone, Werren B.

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

Organic compounds

Oxygen containing

568496, 568909, C07C 4550

Patent

active

044144202

ABSTRACT:
Aldehyde ethers of the general formula ##STR1## wherein R.sub.1 and R.sub.2 each, independently of the other, represent a C.sub.1 to C.sub.4 alkyl radical, and R.sub.3 and R.sub.4 each, independently of the other, represent a hydrogen atom or a C.sub.1 to C.sub.3 alkyl radical, or wherein R.sub.1 represents a C.sub.1 to C.sub.4 alkyl radical, R.sub.2 and R.sub.3 together with the carbon atoms to which they are attached form a 5-membered or 6-membered cycloaliphatic ring, and R.sub.4 represents a hydrogen atom or a C.sub.1 to C.sub.3 alkyl radical, and wherein Y represents --CH.sub.2 --CH.sub.2 --CH.sub.2 or --CH.sub.2 --CH (CH.sub.3)--, are prepared by hydroformylation of a corresponding compound of formula. ##STR2## by reaction with hydrogen and carbon monoxide in the presence of a hydroformylation catalyst, e.g. a rhodium complex catalyst. Preferred compounds include 4-t-butoxybutyraldehyde and 3-t-butoxy-2-methylpropionaldehyde. The compounds are useful chemical intermediates in the production of, for example, butane-1,4-diol, butyrolactone and tetrahydrofuran.

REFERENCES:
patent: 3239570 (1966-03-01), Slaugh et al.
patent: 3518310 (1970-06-01), Lutz et al.
patent: 3527809 (1970-09-01), Pruett
patent: 3917661 (1975-11-01), Pruett et al.
patent: 4064145 (1977-12-01), Taylor
patent: 4229381 (1980-10-01), Ogata et al.
patent: 4302394 (1981-11-01), Dennis
Adkins et al., `J. Amer. Chem. Soc.`, vol. 71, pp. 3051-3055 (1949).

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