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.
2,7-二氮杂双环[3.3.0]辛烷,适用于7位取代基或具有抗菌活性的喹诺酮羧酸,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可以相同也可以不同,在每种情况下表示H、C.sub.1 -C.sub.5 -烷基(可选择地被卤素、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,R.sup.4另外表示卤素,R.sup.2和R.sup.6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 -烷酰基、苯甲酰基或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(CH.sub.2).sub.n的桥,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。它们也可以通过反应##STR2##的制备。中间体II也是新的。