申请人:Riker Laboratories, Inc.
公开号:US04585868A1
公开(公告)日:1986-04-29
The compounds 5-carboxyl-6-fluoroquinaldine, 6-fluoro-5-methylquinaldine, 6-fluoro-5-methyl-1,2,3,4-tetrahydroquinaldine, 1,2-dihydro-6-fluoro-5-hydroxymethylquinaldine and diethyl 2-[N-(6-fluoro-5-methyl-1,2,3,4-tetrahydroquinaldinyl)]methylenemalonate are disclosed as useful intermediates for preparing the antimicrobial agent 6,7-dihydro-5,8-dimethyl-9-fluoro-1-oxo-1H,5H-benzol[ij]quinolizine- 2-carboxylic acid.
以下化合物被披露为制备抗微生物剂6,7-二氢-5,8-二甲基-9-氟-1-氧代-1H,5H-苯并[ij]喹啉-2-羧酸的有用中间体:5-羧基-6-氟喹啉,6-氟-5-甲基喹啉,6-氟-5-甲基-1,2,3,4-四氢喹啉,1,2-二氢-6-氟-5-羟甲基喹啉和二乙基2-[N-(6-氟-5-甲基-1,2,3,4-四氢喹啉基)]亚甲基丙二酸酯。