Process for the preparation of unsaturated ethers

Details Process for the preparation of unsaturated ethers Process for the preparation of unsaturated ethers

1994-01-07

1994-10-11

Mars, Howard T.

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

Organic compounds

Oxygen containing

C07C 4128

Patent

active

053549112

ABSTRACT:
A process for the preparation of ethers of the formula R.sup.1 --CR.sup.2 .dbd.CH--O--R.sup.3, in which R.sup.1 and R.sup.3 are each a radical having 1 to 6 carbon atoms and R.sup.2 is hydrogen or a radical having 1 to 2 carbon atoms, by reaction of a diacetal of the formula R.sup.1 --CHR.sup.2 --CH(--O--R.sup.3).sub.2 in the presence of a catalyst composed of an acid and an amine at elevated temperature in the liquid phase. The unsaturated ether of the above-mentioned formula is formed from the diacetal with elimination of an alcohol R.sup.3 --OH.

REFERENCES:
patent: 2482725 (1949-09-01), Bramwyche et al.
patent: 3023250 (1962-02-01), Montagna et al.
Chemical Abstracts, vol. 54, No. 22 (Nov. 25, 1960) Abstract 24452g

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