摘要:
Sufamoylbenzoic acid derivatives of formula (I): wherein R, is a chlorine atom or phenoxy group, R 2 is a hydrogen atom, halogen atom, lower alkyl group, lower alkoxy group or methylenedioxy group. These compounds possess directic and uricosuric activities.
摘要:
The invention provides a novel spiro-linked pyrrolidine-2,5-dione of the formula;- wherein X 1 and X 2 each independently represent a hydrogen, a halogen atom, a lower alkyl or lower alkoxy group; Y is a methylene group, oxygen or sulfur atom; R 1 , R 2 , R 3 and R 4 each independently represent a hydrogen atom, a lower alkyl group or forming a benzene ring together with their adjacent carbon atoms; the base salts thereof with pharmaceutically acceptable cations, and processes for their manufactures. The compounds of formula [I] useful as aldose reductase inhibitors and as therapeutic agents for treatment of chronic diabetic complications are also disclosed.
摘要:
Quinolonecarboxylic acid derivatives of the following formula, wherein R, R' and R 2 are each independently hydrogen atom or lower alkyl group and Y is hydrogen atom or halogen atom; the hydrates and pharmaceutically acceptable salts thereof are useful as antibacterial agents.
摘要:
The present invention is concerned with certain novel benzoylacetic acid ester derivatives (I) which are useful as a intermediates for synthesis of antibacterial agests. wherein R is a lower alkyl group, X is a halogen atom and Y is a chlorine or bromine atom.
摘要:
The invention provides a novel spiro-linked pyrrolidine-2,5-dione of the formula;- wherein X 1 and X 2 each independently represent a hydrogen, a halogen atom, a lower alkyl or lower alkoxy group; Y is a methylene group, oxygen or sulfur atom; R 1 , R 2 , R 3 and R 4 each independently represent a hydrogen atom, a lower alkyl group or forming a benzene ring together with their adjacent carbon atoms; the base salts thereof with pharmaceutically acceptable cations, and processes for their manufactures. The compounds of formula [I] useful as aldose reductase inhibitors and as therapeutic agents for treatment of chronic diabetic complications are also disclosed.
摘要:
The present invention is concerned with certain novel pyrazolo[7,5-a]pyridine derivatives, which are prepared by various means. The compounds of the present invention are antiallergic agents, referred to SRS-A antigonists, and useful for treatment of allergic diseases.
摘要:
The present invention concerns the pyrazolo-[1,5-a]-pyridine derivatives which are antiallergic agents, referred to as SRS-A release inhibitors, and useful for treatment of allergic diseases.