| 摘要 |
<p>Erythromycin A derivatives represented by general formula (I) or pharmaceutically acceptable salts thereof: wherein n represents an integer of 1 to 8; R1 represents hydrogen or C¿1?-C6 alkyl; R?2¿ represents pyridylmethyl, quinolylmethyl, pyridylsulfonyl or quinolylsulfonyl; R3 represents hydrogen, C¿1?-C6 alkyl or cinnamyl; and R?4¿ represents cladinosyloxy or a group represented by general formula (II): wherein m represents 0 or 1 and R5 represents phenyl, pyridyl, quinolyl, phenyl having one to three substituents selected among C¿1?-C6 alkyl, nitro, C1-C3 alkoxy and halogeno, or pyridyl or quinolyl each having one or two substituents selected among C1-C6 alkyl, nitro, C1-C3 alkoxy and halogeno.</p> |
