The present invention provides a compound of the formula (I):
wherein R1 is hydrogen, optionally substituted: acylamino, C1-6alkyl, C2-6alkenyl, C2-6alkynyl, C1-6alkoxy, C1-6alkanoyloxy, C1-6alkylamino, di-(C1-6alkyl)amino, C1-6alkoxycarbonyl, aminocarbonyl, C1-6alkylaminocarbonyl or di-(C1-6alkyl)aminocarbonyl;
R2 is hydrogen or C1-6alkoxy;
or R1 and R2 together form optionally substituted C1-6alkylene;
R3 and R5 are independently hydrogen or C1-6alkyl; and
one of R4 and R6 is hydrogen or C1-4alkyl and the other is selected from a number of groups or a pharmaceutically acceptable salt or in vivo hydrolysable ester thereof.
Processes for their preparation, intermediates in their preparation, their use as therapeutic agents and pharmaceutical compositions containing them.
本发明提供了一种式 (I) 的化合物:
其中 R1 是氢,任选取代:酰
氨基、C1-6烷基、C2-6烯基、C2-6炔基、C1-6烷氧基、C1-6烷酰氧基、C1-6烷基
氨基、二-(C1-6烷基)
氨基、C1-6烷氧基羰基、
氨基羰基、C1-6烷基
氨基羰基或二-(C1-6烷基)
氨基羰基;
R2 是氢或 C1-6 烷氧基;
或 R1 和 R2 共同形成任选取代的 C1-6 烷基;
R3 和 R5 独立地为氢或 C1-6 烷基;以及
R4和R6之一为氢或C1-4烷基,另一个选自若干基团或其药学上可接受的盐或体内可
水解的酯。
它们的制备方法、制备过程中的中间体、作为治疗剂的用途以及含有它们的药物组合物。