申请人:Bayer Aktiengesellschaft
公开号:US05071999A1
公开(公告)日:1991-12-10
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-diazabicyclo[3.3.0]octane. Also their preparation by the reaction ##STR2## Intermediates II are also new.
适用于7位取代基或抗菌活性喹诺酸的2,7-二氮杂双环[3.3.0]辛烷,其化学式为## STR1 ##其中R1、R3、R4、R5、R7和R8可以相同也可以不同,且在每种情况下表示H、C.sub.1-C.sub.5-烷基(可选地被卤素、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,R4还表示卤素,R2和R6可以相同也可以不同,表示H、C.sub.1-C.sub.6-烷基、苄基、C.sub.6-C.sub.12-芳基、C.sub.1-C.sub.3-酰基、苯酰基或C.sub.1-C.sub.5-烷氧羰基,或R2和R3一起表示结构为(CH.sub.2).sub.n,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的桥,不包括2,7-二氮杂双环[3.3.0]辛烷。也包括它们通过反应制备的方法## STR2 ##中间体II也是新的。