| 摘要 |
<p>A 4-oxo-1,4-dihydroquinoline compound having a potent and selective 5-HT3 receptor antagonism, represented by general formula (I), an intermediate therefor, and a process for producing the same, wherein R1 represents optionally substituted phenyl or aromatic heterocyclic group; R2 represents hydrogen or methyl; R3 represents 5-(R5)-1H-imidazol-4-yl or 4-(R5)-1H-imidazol-5-yl; R4 represents hydrogen, amino or methylamino; and R5 represents methyl or ethyl.</p> |
