Process for producing polyhydric alcohol

Details Process for producing polyhydric alcohol Process for producing polyhydric alcohol

1999-04-29

2000-06-27

Stockton, Laura L.

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

Organic compounds

Oxygen containing

C07C 2938, C07C 3122, C07C 4721

Patent

active

060808969

ABSTRACT:
A process for producing a polyhydric alcohol with high selectivity by subjecting formaldehyde and a specific aliphatic aldehyde to an aldol condensation reaction in the presence of a base catalyst, and then subjecting the resultant reaction product to a crossed Cannizzaro reaction, while reacting a solution containing a 2-substituted-2-alkanal, formed as a byproduct during the aldol condensation reaction, with water or formaldehyde in the presence of the base catalyst, and thereafter reacting the resultant mixture with the aliphatic aldehyde.

REFERENCES:
patent: 3975450 (1976-08-01), Palmer et al.
patent: 4514578 (1985-04-01), Immel et al.
patent: 5608121 (1997-03-01), Ninomiya et al.
Terelak et al., Przem. Chem. (1994), 73(8), 296-7.
L. Cairate et al., "On the intermediates in the synthesis of trimethylolpropane", La Chemica E L'Industria, vol. 63, No. 11, pp. 723-725, Nov. 1981.

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