Title:
PREPARATION OF 2- O-HYDROXYBENZOYLAMINO -ETHANESULPHONIC ACID
Document Type and Number:
Japanese Patent JPS5618952
Kind Code:
A
Abstract:
NEW MATERIAL:2-(o-Hydroxybenzoylamino)-ethanesulphonic acid sodium.
USE: A useful substance which is expected to have entatic action, antipyretic, pain- killing and antiinflammatory effect.
PROCESS: Aminoethanesulphonic acid is condensed with o-acetoxybenzoic halogenide under an alkali condition in pH of not more than 13 to give a compound shown by the formula.
Inventors:
FUJIMOTO DOUTAROU
SAKAI TAKESHI
SAKAI TAKESHI
Application Number:
JP9475579A
Publication Date:
February 23, 1981
Filing Date:
July 25, 1979
Export Citation:
Assignee:
FUJIMOTO SEIYAKU KK
International Classes:
A61K31/185; A61P29/00; C07C67/00; C07C301/00; C07C303/22; C07C303/32; C07C309/15; (IPC1-7): A61K31/185; C07C143/155