Process for producing methyl .alpha.-hydroxyisobutyrate

Details Process for producing methyl .alpha.-hydroxyisobutyrate Process for producing methyl .alpha.-hydroxyisobutyrate

1993-10-12

1995-02-21

Dees, Jose G.

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

Organic compounds

Carboxylic acid esters

C07C 69675

Patent

active

053918134

ABSTRACT:
There is disclosed a process for efficiently producing methyl .alpha.-hydroxyisobutyrate from .alpha.-hydroxyisobutyramide and methyl formate by means of reaction distillation which comprises feeding .alpha.-hydroxyisobutyramide and an alkali metal hydroxide in a continuous distillation column to prepare therein the dehydrated condensate of .alpha.-hydroxyisobutyramide with the alkali metal hydroxide as the catalyst and reacting remaining .alpha.-hydroxyisobutyramide with methyl formate in the presence of the dehydrated condensate as the catalyst.
According to the above process, the objective methyl .alpha.-hydroxyisobutyrate is continuously obtained in high yield and high selectivity without any operational trouble.

REFERENCES:
patent: 4990651 (1991-02-01), Ikarashi et al.
patent: 5194668 (1993-03-01), Ikarashi et al.

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