EP 0651753 A1 19950510 - NOVEL PYRIDONECARBOXYLIC ACID DERIVATIVES AND PROCESSES FOR PREPARING THE SAME.
Title (en)
NOVEL PYRIDONECARBOXYLIC ACID DERIVATIVES AND PROCESSES FOR PREPARING THE SAME.
Title (de)
NEUE PYRIDON CARBONSÄURE-DERIVATE UND VERFAHREN ZU DEREN HERSTELLUNG.
Title (fr)
NOUVEAUX DERIVES D'ACIDE PYRIDONECARBOXYLIQUE ET PROCEDES DE PREPARATION.
Publication
Application
Priority
- KR 9300064 W 19930723
- KR 920013213 A 19920723
- CN 93119572 A 19931025
Abstract (en)
[origin: WO9402487A1] The present invention relates to novel antibacterial pyridonecarboxylic acid derivatives of formula (I) and their stereoisomers and pharmaceutically acceptable salts, wherein R1 R2, R3 and R4 may be the same or different and represent independently hydrogen or lower alkyl, X represents oxygen or sulfur, Y represents hydrogen or methyl, and n denotes an integer of 0 or 1. The present invention also relates to processes for preparing these compounds.
IPC 1-7
IPC 8 full level
C07D 498/06 (2006.01); A61K 31/495 (2006.01); A61K 31/535 (2006.01); A61K 31/54 (2006.01); A61P 31/04 (2006.01); C07D 471/04 (2006.01); C07D 487/04 (2006.01); C07D 519/00 (2006.01)
CPC (source: EP KR)
A61P 31/04 (2017.12 - EP); C07D 498/06 (2013.01 - KR); C07D 519/00 (2013.01 - EP)
Citation (search report)
See references of WO 9402487A1
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
WO 9402487 A1 19940203; AU 4587493 A 19940214; CN 1102184 A 19950503; EP 0651753 A1 19950510; JP 2552101 B2 19961106; JP H07509240 A 19951012; KR 940002252 A 19940217; KR 960003616 B1 19960320; MX 9304444 A 19940429; ZA 935345 B 19940214
DOCDB simple family (application)
KR 9300064 W 19930723; AU 4587493 A 19930723; CN 93119572 A 19931025; EP 93916265 A 19930723; JP 50436293 A 19930723; KR 920013213 A 19920723; MX 9304444 A 19930722; ZA 935345 A 19930723