申请人:Beecham Group p.l.c.
公开号:US05166357A1
公开(公告)日:1992-11-24
A compound of formula (I) or a pharmaceutically acceptable salt thereof: ##STR1## in which one of X and Y represents hydrogen and the other represents Z, where Z is a group ##STR2## in which Q represents a 3-membered divalent residue completing a 5-membered aromatic ring and comprises one heteroatom selected from oxygen, nitrogen and sulphur or two heteroatoms selected from sulphur and nitrogen, any amino nitrogen being optionally substituted by a C.sub.1-2 alkyl, and at least one ring carbon atom being substituted by a group R.sub.1 ; or a group ##STR3## in which A.sub.1, A.sub.2 and A.sub.3 complete a 5-membered aromatic ring and A.sub.1 is oxygen or sulphur, A.sub.2 is CR.sub.2 and A.sub.3 is nitrogen or CH, or A.sub.2 is oxygen or sulphur, A.sub.1 is CH and A.sub.3 is CR.sub.2 ; and R.sub.1 and R.sub.2 are selected from, halogen, CN, OR.sub.4, SR.sub.4, N(R.sub.4).sub.2, NHCOR.sub.4, NHCOOCH.sub.3, NHCOOC.sub.2 H.sub.5, NHOR.sub.4 NHNH.sub.2, NO.sub.2, COR.sub.4, COR.sub.5, C.sub.2-4 alkenyl, C.sub.2-4 alkynyl or C.sub.1-2 alkyl substituted with OR.sub.4, N(R.sub.4).sub.2, SR.sub.4, CO.sub.2 R.sub.4, CON(R.sub.4).sub.2 or one, two or three halogen atoms, in which each R.sub.4 is independently hydrogen or C.sub.1-2 alkyl and R.sub.5 is OR.sub.4, NH.sub.2 or NHR.sub.4 ; r represents an integer of 2 or 3, s represents an integer of 1 or 2 and t represents 0 or 1, with the proviso that when Y is hydrogen s is 1.
公式(I)的化合物或其药学上可接受的盐:##STR1##
其中X和Y中的一个代表氢,另一个代表Z,其中Z是一个基团##STR2##
其中Q代表完成5-成员芳香环的3-成员二价残基,并包括从氧、氮和硫中选择的一个杂原子或从硫和氮中选择的两个杂原子,任何氨基氮可以选择性地被C.sub.1-2烷基取代,至少一个环碳原子被R.sub.1基团取代;或者一个基团##STR3##
其中A.sub.1,A.sub.2和A.sub.3完成5-成员芳香环,A.sub.1是氧或硫,A.sub.2是CR.sub.2,A.sub.3是氮或CH,或者A.sub.2是氧或硫,A.sub.1是CH,A.sub.3是CR.sub.2;R.sub.1和R.sub.2从卤素,CN,OR.sub.4,SR.sub.4,N(R.sub.4).sub.2,NHCOR.sub.4,NHCOOCH.sub.3,NHCOOC.sub.2 H.sub.5,NHOR.sub.4 NHNH.sub.2,NO.sub.2,COR.sub.4,COR.sub.5,C.sub.2-4烯基,C.sub.2-4炔基或C.sub.1-2烷基中选择取代OR.sub.4,N(R.sub.4).sub.2,SR.sub.4,CO.sub.2 R.sub.4,CON(R.sub.4).sub.2或一个、两个或三个卤素原子,其中每个R.sub.4独立地代表氢或C.sub.1-2烷基,R.sub.5代表OR.sub.4,NH.sub.2或NHR.sub.4;r表示2或3,s表示1或2,t表示0或1,但当Y是氢时,s为1。