申请人:Burroughs Wellcome Co.
公开号:US04880812A1
公开(公告)日:1989-11-14
The present invention provides a compound of formula (I): ##STR1## wherein R.sup.1 is hydrogen , C.sub.1-4 alkyl, acetyl or formyl; R.sup.2 and R.sup.3 are the same or different and are hydrogen or C.sub.1-4 alkyl; R.sup.4 is NR.sup.11 R.sup.12 ; R.sup.11, R.sup.12, R.sup.5 and R.sup.6 are the same or different and are hydrogen, C.sub.1-4 alkyl or C.sub.1-12 acyl; R.sup.7, R.sup.8, R.sup.9 and R.sup.10 are the same or different and are hydrogen, halo, C.sub.1-4 haloalkyl, C.sub.1-4 alkyl and C.sub.1-4 alkoxy; and n is 2, 3, 4 or 5; m is 0 or an integer from 1 to 6; or a salt thereof, methods for the preparation of the compounds of the formula (I), intermediates in their preparations, pharmaceutical formulations containing them, and their use in the treatment of tumors.
本发明提供了一种化合物,其化学式为(I):##STR1##其中R.sup.1为氢,C.sub.1-4烷基,乙酰基或甲酰基;R.sup.2和R.sup.3相同或不同,为氢或C.sub.1-4烷基;R.sup.4为NR.sup.11R.sup.12;R.sup.11,R.sup.12,R.sup.5和R.sup.6相同或不同,为氢,C.sub.1-4烷基或C.sub.1-12酰基;R.sup.7,R.sup.8,R.sup.9和R.sup.10相同或不同,为氢,卤素,C.sub.1-4卤代烷基,C.sub.1-4烷基和C.sub.1-4烷氧基;n为2,3,4或5;m为0或1到6的整数;或其盐,以及制备化合物(I)的方法,其制备中间体,含有它们的药物配方,以及它们在肿瘤治疗中的用途。