Process for the preparation of 2,2-dimethylpropane-1,3-diol

Details Process for the preparation of 2,2-dimethylpropane-1,3-diol Process for the preparation of 2,2-dimethylpropane-1,3-diol

1990-12-21

1991-12-10

Evans, J. E.

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

Organic compounds

Oxygen containing

568853, C07C 2888, C07C 2914, C07C 3120

Patent

active

050720589

ABSTRACT:
A process for the preparation of 2,2-dimethylpropane-1,3-diol by an addition reaction between isobutyraldehyde and formaldehyde in the presence of tertiary amines as the catalyst, hydrogenation of the reaction mixture, and subsequent distillation. Before the distillation, formaldehyde is added to the hydrogenation product to remove unwanted basic impurities.

REFERENCES:
patent: 3808280 (1974-04-01), Merger et al.
patent: 4393251 (1983-07-01), Bruecker et al.
patent: 4594461 (1986-06-01), Mager et al.
patent: 4740639 (1988-04-01), Beavers
patent: 4851592 (1989-07-01), Morris
patent: 4918247 (1990-04-01), Breitkopf et al.

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