Process for the synthesis of 2,2-dialkoxy-propanes

Details Process for the synthesis of 2,2-dialkoxy-propanes Process for the synthesis of 2,2-dialkoxy-propanes

1987-06-23

1988-09-06

Mars, Howard T.

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

Organic compounds

Oxygen containing

568605, 568 3, 549448, C07C 4148, C07C 4150

Patent

active

047694971

ABSTRACT:
A new method of synthesis of a 2,2-dialkoxy-propane e.g. 2,2-dimethoxy-propane, is described through reaction of a cyclic ketal, e.g. 2,2-dimethyl-(1,3)-dioxolane, with a boric acid alkyl ester, e.g. boric acid trimethyl ester, in the presence of an acidic catalyst. The reaction may be carried out either in liquid or in vapor phase. In the latter case, heating of the thus obtained intermediate mixture to the reflux temperature should follow the catalytic step.

REFERENCES:
patent: 2340907 (1941-02-01), Sussman et al.

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