申请人:Bayer Aktiengesellschaft
公开号:US05241076A1
公开(公告)日:1993-08-31
2,7-Diazabicyclo[3.3.0] octanes, suitable for 7-position substituents or antibacterially active quinolone carboxylic acids, of the formula ##STR1## in which R.sup.1, R.sup.3, R.sup.4, R.sup.5, R.sup.7 and R.sup.8 may be identical or different and in each case denote H, C.sub.1 -C.sub.5 -alkyl (optionally substituted by halogen, hydroxyl or C.sub.1 -C.sub.3 -alkoxy), C.sub.1 -C.sub.3 -alkoxycarbonyl or C.sub.6 -C.sub.12 -aryl, R.sup.4 additionally denotes halogen, R.sup.2 and R.sup.6 may be identical or different, denote H, C.sub.1 -C.sub.6 -alkyl, benzyl, C.sub.6 -C.sub.12 -aryl, C.sub.1 -C.sub.3 -alkanoyl, benzoyl or C.sub.1 -C.sub.5 -alkoxycarbonyl, or R.sup.2 and R.sup.3 together denote a bridge of the structure (CH.sub.2).sub.n, n=2-4, CH.sub.2 -CHOH-CH.sub.2, CH.sub.2 -S-CH.sub.2 or C(CH.sub.3).sub.2 -S-CH.sub.2, excluding 2,7-diazabicylcol[3.3.0]octane.
本发明涉及适用于7位取代基或抗菌活性的喹诺酸类化合物的2,7-二氮杂双环[3.3.0]辛烷,其化学式为##STR1##其中R.sup.1,R.sup.3,R.sup.4,R.sup.5,R.sup.7和R.sup.8可能相同或不同,并且在每种情况下表示H,C.sub.1-C.sub.5-烷基(可以被卤素,羟基或C.sub.1-C.sub.3-烷氧基取代),C.sub.1-C.sub.3-烷氧羰基或C.sub.6-C.sub.12-芳基,R.sup.4还表示卤素,R.sup.2和R.sup.6可能相同或不同,表示H,C.sub.1-C.sub.6-烷基,苯甲基,C.sub.6-C.sub.12-芳基,C.sub.1-C.sub.3-烷酰基,苯酰基或C.sub.1-C.sub.5-烷氧羰基,或者R.sup.2和R.sup.3一起表示结构为(CH.sub.2).sub.n的桥,其中n = 2-4,CH.sub.2-CHOH-CH.sub.2,CH.sub.2-S-CH.sub.2或C(CH.sub.3).sub.2-S-CH.sub.2,不包括2,7-二氮杂双环[3.3.0]辛烷。