Title:
A PROCESS FOR PREPARING PROTOCATECHUALDEHYDE
Document Type and Number:
Japanese Patent JPS5239642
Kind Code:
A
Abstract:
PURPOSE: To prepare protocatechualdehyde useful as a raw material for medicines with a high yield, by the oxidation of dihydroxymandelic acid under a specific pH condition.
Inventors:
UMEMURA YOSHIO
TAKAMITSU NAGAAKI
ENOMIYA TAKUJI
NAKAMURA TAKATO
TAKAMITSU NAGAAKI
ENOMIYA TAKUJI
NAKAMURA TAKATO
Application Number:
JP11551975A
Publication Date:
March 28, 1977
Filing Date:
September 26, 1975
Export Citation:
Assignee:
UBE INDUSTRIES
International Classes:
C07C47/565; C07C45/00; C07C47/56; C07C67/00; (IPC1-7): C07C47/56; C07C45/00
Domestic Patent References:
| JP37004122A | ||||
| JPS4734242A |
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