申请人:Beecham Group plc
公开号:US04803293A1
公开(公告)日:1989-02-07
Compounds of formula (I): ##STR1## or a pharmaceutically acceptable salt thereof, in which R.sup.1 is hydrogen, halogen, or trifluoromethyl, R.sup.2 is hydrogen or halogen, R.sup.3 is hydroxyl, C.sub.1-6 alkoxy or ##STR2## where R.sup.8 and R.sup.9 are each hydrogen or C.sub.1-6 alkyl; R.sup.4 is hydrogen or C.sub.1-6 alkyl; R.sup.5 is hydrogen, C.sub.1-6 alkyl, C.sub.1-6 alkyl optionally substituted by hydroxy; cyano, C.sub.1-6 alkenyl or C.sub.1-6 alkynyl optionally substituted by carboxy or esters and amides thereof, phenyl, C.sub.1-6 alkyl phenyl or a group ##STR3## wherein R.sup.12 and R.sup.13 are each hydrogen or C.sub.1-6 alkyl or together, along with the nitrogen to which they are attached, form a 5- or 6-membered ring and m is 1 or 2; R.sup.6 is hydrogen or methyl: R.sup.7 is --O(CH.sub.2).sub.a CO.sub.2 H, --O(CH.sub.2).sub.b M, --CO.sub.2 H; or amide thereof in which a is an integer from 1 to 6, b is an integer from 2 to 7, and M is hydroxy, C.sub.1-6 alkoxy or ##STR4## in which R.sup.10 and R.sup.11 are each hydrogen or C.sub.1-6 alkyl or ##STR5## together form a five or six membered ring; and n is 1 or 2; with the proviso that when n is 2 and R.sup.1, R.sup.2, R.sup.4 and R.sup.6 are each hydrogen and R.sup.3 is hydroxyl, R.sup.5 is not hydroxymethyl or 1-hydroxy ethyl when R.sup.7 is CONH.sub.2 ; processes for preparing such compounds and their use in medicine.
化学式(I)的化合物:##STR1##或其药学上可接受的盐,其中R.sup.1是氢,卤素或三氟甲基,R.sup.2是氢或卤素,R.sup.3是羟基,C.sub.1-6烷氧基或##STR2##其中R.sup.8和R.sup.9分别是氢或C.sub.1-6烷基; R.sup.4是氢或C.sub.1-6烷基; R.sup.5是氢,C.sub.1-6烷基,C.sub.1-6烷基可选择地被羟基取代;氰基,C.sub.1-6烯基或C.sub.1-6炔基,可选择地被羧基或其酯和酰胺取代,苯基,C.sub.1-6烷基苯基或##STR3##其中R.sup.12和R.sup.13分别是氢或C.sub.1-6烷基,或连同它们所连接的氮一起形成5-或6-成员环,m为1或2; R.sup.6是氢或甲基:R.sup.7是--O(CH.sub.2).sub.a CO.sub.2 H,--O(CH.sub.2).sub.b M,--CO.sub.2 H;或其酰胺,其中a是1到6的整数,b是2到7的整数,M是羟基,C.sub.1-6烷氧基或##STR4##其中R.sup.10和R.sup.11分别是氢或C.sub.1-6烷基或##STR5##共同形成五元或六元环; n为1或2;但当n为2且R.sup.1,R.sup.2,R.sup.4和R.sup.6分别为氢,而R.sup.3为羟基时,当R.sup.7为CONH.sub.2时,R.sup.5不是羟甲基或1-羟乙基;制备这种化合物的方法以及它们在医学上的用途。