Title:
PROCESS FOR PREPARING TRIMETHYLOLALKANE
Document Type and Number:
Japanese Patent JPS5392705
Kind Code:
A
Abstract:
An improved process for the preparation of a trimethylolalkane of the formula (I) wherein R1 denotes an aliphatic radical by reacting formaldehyde with an aldehyde of the formula (II) wherein R1 has the meaning indicated above and thereafter hydrogenating the resultant 2,2-dimethylolalkanal, the improvement residing in employing formaldehyde in a molar ratio of at least 8:1 to the aldehyde reactant, carrying out the aldehyde-formaldehyde reaction in the presence of an aldol condensation base at a temperature between -20 and 5 DEG C, optionally in the presence of an ion of an element of group VII and/or VIII and/or sub-group I or II of the periodic system.
Inventors:
OTSUTOO IMUMERU
HANSUUHERUMUUTO SHIYUWARUTSU
OSUKARU BAISERU
HAINRITSUHI KURIMU
HANSUUHERUMUUTO SHIYUWARUTSU
OSUKARU BAISERU
HAINRITSUHI KURIMU
Application Number:
JP442978A
Publication Date:
August 15, 1978
Filing Date:
January 20, 1978
Export Citation:
Assignee:
BAYER AG
International Classes:
B01J31/00; C07B61/00; C07C27/00; C07C29/14; C07C29/141; C07C29/38; C07C31/22; C07C45/75; C07C67/00; (IPC1-7): B01J31/04; C07C29/14; C07C31/18