Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
NOVEL AMINOSULFONYLBENZOIC ACID ESTER DERIVATIVE
Document Type and Number:
Japanese Patent JPS58192863
Kind Code:
A
Abstract:

NEW MATERIAL:The compound of formula (X and Y are F, Cl, Br or H; R is alkyl, alkenyl, cycloalkyl or benzyl).

EXAMPLE: 5-Aminosulfonyl-2,4-dichlorobenzoic acid benzyl ester.

USE: Antiviral agent.

PROCESS: The aminosufonylbenzoic acid ester of formula can be prepared by (1) heating a halogenoaminosulfonylbenzoic acid in thionyl chloride, and (2) reacting the resultant halogenoaminosulfonylbenzoyl chloride with an alcohol of formula ROH at room temperature or if necessary under heating in a solvent such as dioxane, THF, benzene, etc. or using the alcohol of formula ROH as the solvent.


Inventors:
MAEDA HIDEO
KOUNO SHIYOUICHI
OONISHI HARUO
Application Number:
JP7578182A
Publication Date:
November 10, 1983
Filing Date:
May 06, 1982
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
HODOGAYA CHEMICAL CO LTD
MOCHIDA PHARM CO LTD
International Classes:
A61K31/18; A61P31/12; C07C67/00; C07C301/00; C07C311/21; C07C311/49; C07C311/64; C07D237/20; C07D295/26; (IPC1-7): A61K31/18; C07C143/78
Attorney, Agent or Firm:
Kaname Yumi



 
Previous Patent: JPS58192862

Next Patent: JPS58192864