Method for preparation of acetals

Details Method for preparation of acetals Method for preparation of acetals

1985-01-24

1986-04-01

Mars, Howard T.

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

Organic compounds

Oxygen containing

568594, 568605, 568591, C07C 4330

Patent

active

045799792

ABSTRACT:
A method of preparation for acetals utilizing saturated or unsaturated aldehydes, in particular, the preparation of dimethylacetals of acetaldehyde, acrolein and methacrolein. The production of the acetal takes place in a liquid phase in the presence of a solid acid catalyst, such as a strongly acidic ion exchange resin or zeolite. The conversion mixture is extracted by means of water and by means of water insoluble organic solvents. There is obtained not only the desired acetals, but in addition also the unconverted initial quantities of the starting materials by a simple method and with very good yields.

REFERENCES:
patent: 3137738 (1964-06-01), June et al.
patent: 3641163 (1972-02-01), Portwood et al.

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