CAS: 116183-83-6; (S)-Pyrrolidin-3-Amine Dihydrochloride

专利信息

专利号:US-6136823-A
优先权日:1996-11-28
标题 :Pyridonecarboxylic acid derivatives or salts thereof and drugs containing the same as the active ingredient
发明人：SAKAE NOBUYA; YAZAKI AKIRA; KURAMOTO YASUHIRO; YOSHIDA JIRO; NIINO YOSHIKO; OHSHITA YOSHIHIRO; HIRAO YUZO; HAYASHI NORIHIRO; AMANO HIROTAKA
权利人:WAKUNAGA PHARMA CO LTD
摘要:PCT No. PCT/JP97/04326 Sec. 371 Date May 28, 1999 Sec. 102(e) Date May 28, 1999 PCT Filed Nov. 27, 1997 PCT Pub. No. WO98/23592 PCT Pub. Date Jun. 4, 1998The invention relates to pyridonecarboxylic acid derivatives represented by the general formula (1): wherein R1 is -OH, a carboxy-protecting group or (alkyl)amino group, R2 is H, or -NO2, (protected) amino, (protected) hydroxyl, lower alkyl or lower alkoxyl group, R3 is a halogen atom, H, or -NO2, lower alkyl, lower alkoxyl or amino group, R4 is an azido, (substituted) hydrazino, (substituted) amino, lower alkoxyl or hydroxyl group, R5, R6 and R7 are independently H, -NO2, halogen atom or lower alkyl group, R8 is a -NO2, (substituted) amino, -OH or lower alkoxyl group, A is N or C-R12, in which R12 is H, halogen atom, or (substituted) lower alkyl, lower alkenyl, lower alkynyl, lower alkoxyl, lower alkylthio or nitro group, and B is N or C-R13, in which R13 is H or halogen atom, or salts thereof, and medicine comprising such a compound as an active ingredient. The derivatives or the salts thereof exhibit excellent antibacterial action and peroral absorbability, scarcely cause side effects, and are easy of synthesis.