申请人:Zeneca Limited
公开号:US05719139A1
公开(公告)日:1998-02-17
The present invention provides a compound of the formula (I): ##STR1## wherein R.sup.1 is hydrogen, optionally substituted; acylamino, C.sub.1-6 alkyl, C.sub.2-6 alkenyl, C.sub.2-6 alkynyl, C.sub.1-6 alkoxy, C.sub.1-6 alkanoyloxy, C.sub.1-6 alkylamino, di-(C.sub.1-6 alkyl)amino, C.sub.1-6 alkoxycarbonyl, aminocarbonyl, C.sub.1-6 alkylaminocarbonyl or di-(C.sub.1-6 alkyl)aminocarbonyl; R.sup.2 is hydrogen or C.sub.1-6 alkoxy; or R.sup.1 and R.sup.2 together form optionally substituted C.sub.1-6 alkylene; R.sup.3 and R.sup.5 are independently hydrogen or C.sub.1-6 alkyl; and one of R.sup.4 and R.sup.6 is hydrogen or C.sub.1-4 alkyl and the other is selected from a number of groups or a pharmaceutically acceptable salt or in vivo hydrolysable ester thereof. Processes of their preparation, intermediates in their preparation, their use as therapeutic agents and pharmaceutical compositions containing them.
本发明提供了化合物的公式(I):##STR1##其中R.sup.1是氢,可选地取代的;酰胺基,C.sub.1-6烷基,C.sub.2-6烯基,C.sub.2-6炔基,C.sub.1-6烷氧基,C.sub.1-6烷酰氧基,C.sub.1-6烷基氨基,二-(C.sub.1-6烷基)氨基,C.sub.1-6烷氧羰基,氨基羰基,C.sub.1-6烷基氨基羰基或二-(C.sub.1-6烷基)氨基羰基;R.sup.2是氢或C.sub.1-6烷氧基;或R.sup.1和R.sup.2一起形成可选取代的C.sub.1-6烷基;R.sup.3和R.sup.5独立地是氢或C.sub.1-6烷基;R.sup.4和R.sup.6中的一个是氢或C.sub.1-4烷基,另一个被选择自多个基团或其药学上可接受的盐或体内水解酯。它们的制备方法,制备中间体,作为治疗剂的用途以及含有它们的药物组合物。