137338-43-3Relevant academic research and scientific papers
4(1H)Quinolone derivatives
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, (2008/06/13)
The invention provides 4(1H)quinolone derivatives of the formula I: wherein R represents an alkyl group containing up to 6 carbon atoms,R1 represents an alkyl or alkenyl group containing up to 6 carbon atoms,R2 and R3 singly each represents hydrogen, halogen, methoxy or a trifluoromethyl group, with the proviso that at least one of R2 and R3 is hydrogen, and pharmaceutically acceptable salts thereof and processes for their production. The compounds are useful for the treatment of cardiovascular and respiratory disorders.
