Title:
MANUFACTURE OF ALPHA-HYDROXYCARBOXYLIC ACID AMIDE
Document Type and Number:
Japanese Patent JPS62178555
Kind Code:
A
Abstract:
The invention relates to a process for the preparation of alpha -hydroxycarboxylic acid amides of the formula: where R1 represents alkyl, alkaryl, aryl, alkenyl, heteroalkyl or heteroaryl, whether or not substituted, R2 represents hydrogen or methyl, or R1 and R2 together form cycloalkyl, by conversion of the corresponding cyanohydrins, and is characterized in that the conversion takes place in the presence of hydrogen peroxide and ammonia. By preference use is made of 2-6 moles hydrogen peroxide and 0.5-3 moles ammonia per mole cyanohydrin.
Inventors:
BUIRUHERUMUSU FUUBERUTOUSU YOZ
YOHAN KANPUFUISU
YOHAN KANPUFUISU
Application Number:
JP1150987A
Publication Date:
August 05, 1987
Filing Date:
January 22, 1987
Export Citation:
Assignee:
STAMICARBON
International Classes:
C07B31/00; C07C67/00; C07C231/00; C07C231/06; C07C235/06; C07C235/28; C07C235/34; C07B43/06; C07C235/40; C07D521/00; (IPC1-7): C07B43/06; C07C102/08; C07C103/167; C07C103/173; C07C103/19; C07C103/26; C07D521/00
Attorney, Agent or Firm:
Toshio Yano (1 outside)
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