Continuous method for the production of 1,2-diols

Details Continuous method for the production of 1,2-diols Continuous method for the production of 1,2-diols

1987-08-07

1988-08-09

Evans, J. E.

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

Organic compounds

Oxygen containing

568700, C07C 2910, C07C 3120

Patent

active

047629541

ABSTRACT:
The continuous production of 1,2-diols by means of saponification of aliphatic, linear or branched epoxides with 8-30 carbon atoms or high molecular weight cycloaliphatic epoxides with water and acidic catalyst at pressures of 1-5 bar using a vapor-liquid mixture of a solubilizing agent which is stationary in a column. The yields obtained are high and exhibit a high degree of purity. The water added can be recycled as such.

REFERENCES:
patent: 2650940 (1953-09-01), Young
patent: 2686817 (1954-08-01), Copes et al.
patent: 4599467 (1986-07-01), Kerten et al.
patent: 4626603 (1986-12-01), Siegmeier et al.

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