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Title:
NOVEL AMINOSULFONYLBENZOIC ACID DERIVATIVES AND PROCESS FOR THEIR PREPARATION
Document Type and Number:
WIPO Patent Application WO/1983/000044
Kind Code:
A1
Abstract:
Novel aminosulfonylbenzoic acid derivatives represented by the following general formula (I):$(8,)$wherein X and Y each independently represents a chlorine atom, bromine atom, fluorine atom, hydrogen atom, amino group, or nitro group, R1 represents a hydrogen atom or a lower alkyl group, R2 represents a hydroxy, amino group, lower alkyl group, hydroxyalkyl group, lower alkoxy group, aryl group, guanyl group, guanidino group, ureido group, oxamoylamino group, unsubstitued or halogen-substitued pyridazinoamino group or, when combined together, R1 and R2 form a 4 or 5 carbon-containing saturated heterocyclic group together with the adjacent nitrogen atom (provided that one carbon atom may be replaced by one oxygen atom or an unsubstituted or lower alkyl-substituted nitrogen atom), R3 represents a hydrogen atom, alkyl group, alkenyl group, cycloakyl group or benzyl group, and a process for their preparation.

Inventors:
MAEDA HIDEO (JP)
Application Number:
PCT/JP1982/000241
Publication Date:
January 06, 1983
Filing Date:
June 22, 1982
Export Citation:
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Assignee:
MOCHIDA PHARM CO LTD (JP)
HODOGAYA CHEMICAL CO LTD (JP)
International Classes:
C07C311/49; C07C311/64; C07D237/20; C07D295/26; (IPC1-7): C07C143/78; C07C143/825; C07D237/04; C07D295/22
Foreign References:
JPS5512422B11980-04-02
JPS401188B1
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