Process for the hydrogenolysis of dioxolanes

Details Process for the hydrogenolysis of dioxolanes Process for the hydrogenolysis of dioxolanes

1976-09-27

1978-05-09

Helfin, Bernard

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260611A, 260615R, 260614R, 260612D, 568865, 568835, 568799, 568700, C07C 4100

Patent

active

040887006

ABSTRACT:
An improved process for the hydrogenolysis of acetals and ketals of organic hydrocarbons is described. The improvement resides in using a catalyst system including a halide of a Group III A element and a supported platinum or rhodium hydrogenation catalyst or combination thereof, thus enabling the process to be practiced at a temperature of from about -15.degree. C. to about 125.degree. C. and a pressure of from about 50 psia to about 2000 psia. The preferred Group III A halides are boron trifluoride and aluminum trichloride.

REFERENCES:
patent: 3170958 (1965-02-01), Howard
patent: 3277187 (1966-10-01), Dewhirst

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