Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
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.
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patent: 4918247 (1990-04-01), Breitkopf et al.
Dambkes Georg
Lappe Peter
Springer Helmut
Thonnessen Franz
Bierman Jordan B.
Cook R.
Evans J. E.
Hoechst Aktiengesellschaft
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