申请人:Glaxo Inc.
公开号:US05223506A1
公开(公告)日:1993-06-29
The present invention relates to certain substituted tetracyclic fused quinoline derivatives of formula (I): ##STR1## wherein: R.sup.1 is hydrogen, hydroxy, fluoro, chloro, bromo, iodo, methoxy or amino; R.sup.2 is hydrogen, hydroxy, methoxy or amino; R.sup.3 is hydrogen, hydroxy, methoxy, methoxymethoxy, amino, --OCONH.sub.2, [2(5H)-3,4-dihydro-3-oxyfuranone], 2-hydroxyethoxy, 2-aminoethoxy, 3-hydroxypropoxy or 3-aminopropoxy; or taken together with R.sup.2 or R.sup.4, methylenedioxy or ethylenedioxy; R.sup.4 is hydrogen, hydroxy or amino; Z is --CH.sub.2 --, --O-- or --NH--; and a) X.sup.1 is hydrogen; X.sup.2 is hydrogen, hydroxy, fluoro, chloro, bromo, iodo or methoxy; and X.sup.3 is hydrogen or hydroxy; or b) X.sup.2 taken together with X.sup.3 is methylenedioxy or ethylenedioxy, and X.sup.1 is hydrogen or a pharmaceutically acceptable salt thereof provided that: i) at least one of R.sup.1 through R.sup.4 is other than hydrogen; ii) when R.sup.1 is methoxy, R.sup.2 is hydroxy or methoxy, R.sup.3 is hydrogen or methoxy and R.sup.4 is hydrogen; iii) when R.sup.2 is hydroxy, methoxy or amino, R.sup.3 is hydrogen, hydroxy or methoxy, and R.sup.4 is hydrogen; iv) when R.sup.4 is hydroxy or amino, R.sup.1 and R.sup.3 are hydrogen and R.sup.2 is hydroxy or amino; and. v) when R.sup.1 is fluoro, chloro, iodo or amino, R.sup.2 is hydrogen, hydroxy or methoxy, R.sup.3 is hydrogen, hydroxy or methoxy and R.sup.4 is hydrogen and the use of these compounds as topoisomerase inhibitors and antitumor agents.
本发明涉及某些式(I)的取代四环融合喹啉衍生物:
其中:R1为氢、羟基、氟、氯、溴、碘、甲氧基或氨基;R2为氢、羟基、甲氧基或氨基;R3为氢、羟基、甲氧基、甲氧甲氧基、氨基、-OCONH2、[2(5H)-3,4-二氢-3-氧基呋喃酮]、2-羟基乙氧基、2-氨基乙氧基、3-羟基丙氧基或3-氨基丙氧基;或与R2或R4一起,为亚甲二氧基或乙二氧基;R4为氢、羟基或氨基;Z为-CH2-、-O-或-NH-;以及a)X1为氢;X2为氢、羟基、氟、氯、溴、碘或甲氧基;X3为氢或羟基;或b)X2与X3一起为亚甲二氧基或乙二氧基,且X1为氢或其药学上可接受的盐,前提是:i)R1至R4中至少有一个不是氢;ii)当R1为甲氧基时,R2为羟基或甲氧基,R3为氢或甲氧基,R4为氢;iii)当R2为羟基、甲氧基或氨基时,R3为氢、羟基或甲氧基,R4为氢;iv)当R4为羟基或氨基时,R1和R3为氢,R2为羟基或氨基;和v)当R1为氟、氯、碘或氨基时,R2为氢、羟基或甲氧基,R3为氢、羟基或甲氧基,R4为氢。这些化合物作为拓扑异构酶抑制剂和抗肿瘤剂的用途。