Design and Synthesis of Potent Antitumor 5,4‘-Diaminoflavone Derivatives Based on Metabolic Considerations
作者:Tsutomu Akama、Hiroyuki Ishida、Yasushi Shida、Uichiro Kimura、Katsushige Gomi、Hiromitsu Saito、Eiichi Fuse、Satoshi Kobayashi、Nobuyuki Yoda、Masaji Kasai
DOI:10.1021/jm9700326
日期:1997.6.1
Recently, we reported that 5,4'-diaminoflavone (1) exhibits potent and specific growth-inhibitory activity against the estrogen receptor (ER)-positive human breast cancer cell line MCF-7. However, when compound 1 was incubated with S-9 mix, its metabolites were observed. Moreover, addition of S-9 mix to the medium caused the drastic decrease in activity of compound 1. Since the 6-, 8-, and 3'-positions
最近,我们报道了5,4'-二氨基黄酮(1)对雌激素受体(ER)阳性的人乳腺癌细胞系MCF-7表现出有效的特异性生长抑制活性。但是,将化合物1与S-9混合物一起孵育时,会观察到其代谢产物。此外,向培养基中添加S-9混合物会导致化合物1的活性急剧降低。由于从MO计算中认为6-,8-和3'-位在体内被氧化代谢,因此一系列5针对这些代谢上稳定的衍生物,合成了在这样的假定的代谢位置上被各种官能团取代的,4'-二氨基黄酮衍生物。其中,即使在存在S-9混合物的情况下,5,4'-二氨基-6,8,3'-三氟黄酮(14d)对MCF-7细胞也显示出较强的生长抑制活性。而且,口服给药的化合物14d完全抑制了接种到裸鼠中的MCF-7的生长,并且其作用比化合物1更为有效。除了ER阳性乳腺癌细胞之外,化合物14d还显示出对一组人的生长抑制活性。人癌细胞系,包括部分ER阴性乳腺癌,子宫内膜癌,卵巢癌和肝癌。从这些结果,阐