Process for the production of 2,2-dimethoxypropane

Details Process for the production of 2,2-dimethoxypropane Process for the production of 2,2-dimethoxypropane

1984-06-18

1988-10-04

Lacey, David L.

Distillation: processes, separatory

Adding material to distilland except water or steam per se

Organic compound

203 81, 203DIG23, 568594, B01D 336

Patent

active

047754478

ABSTRACT:
The process for the acid-catalyzed reaction of acetone with methanol to form 2,2-dimethoxypropane may be significantly improved if a stoichiometric ratio of methanol/acetone is employed in the initial reaction.
Of particular advantage is the use of stoichiometric amounts of reactants in order to (1) avoid the expense of using an excess of either reactant, and (2) facilitate the removal of the 2,2-dimethoxypropane as an azeotrope with the methanol, thereby avoiding costly and complex product recovery methods.

REFERENCES:
patent: 1850836 (1932-03-01), Guinot
patent: 2827495 (1958-03-01), Bond et al.
patent: 2837575 (1958-06-01), Waters et al.
patent: 4136124 (1979-01-01), Zinke-Allmang et al.
patent: 4153516 (1979-05-01), Reed et al.
Lorrette, Chem. Eng. Prog. Symp., Ser. 63, p. 148 (1967).

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