申请人:Burroughs Wellcome Co.
公开号:US04971973A1
公开(公告)日:1990-11-20
The present invention provides a compound of formula (I): ##STR1## wherein Y is oxygen; 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 5; 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 neoplastic growth.
本发明提供了一种化合物,其化学式为(I):##STR1## 其中Y为氧;R.sup.2和R.sup.3相同或不同,分别为氢或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,分别为氢、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,分别为氢、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至5的整数;或其盐。本发明还提供了制备化合物(I)的方法、其制备中间体、含有其的制药组合物以及在治疗肿瘤生长方面的应用。