Patent Number: 6,310,236

Title: Process for preparing .alpha.-hydroxycarboxylate

Abstract: There is herein disclosed a process for efficiently preparing, from an .alpha.-hydroxycarboxylic amide and an alcohol in an industrially advantageous manner, an .alpha.-hydroxycarboxylate which is useful as any of raw materials for solvents, food additives, perfumes, various organic medicines and the like. According to the present invention, there is provided a process for preparing an .alpha.-hydroxycarboxylate which comprises the step of reacting an .alpha.-hydroxycarboxylic amide and an alcohol in the presence of a catalyst in a liquid phase, while an ammonia concentration in a reaction solution is maintained at 0.1% by weight or less by discharging generated ammonia as a gas into a gaseous phase.

Inventors: Nakamura; Kenichi (Ibaraki-ken, JP), Kawataka; Futoshi (Ibaraki-ken, JP), Yamada; Kazuhiro (Ibaraki-ken, JP), Ueno; Wataru (Ibaraki-ken, JP)

Assignee: Mitsubishi Gas Chemical Company

International Classification: C07C 67/00 (20060101); C07C 67/20 (20060101); C07C 069/66 ()

Expiration Date: 10/30/2018