Discovery of 1-{4-[1-(2,6-Difluorobenzyl)-5-[(dimethylamino)methyl]-3-(6-methoxypyridazin-3-yl)-2,4-dioxo-1,2,3,4-tetrahydrothieno[2,3-<i>d</i>]pyrimidin-6-yl]phenyl}-3-methoxyurea (TAK-385) as a Potent, Orally Active, Non-Peptide Antagonist of the Human Gonadotropin-Releasing Hormone Receptor
作者:Kazuhiro Miwa、Takenori Hitaka、Takashi Imada、Satoshi Sasaki、Mie Yoshimatsu、Masami Kusaka、Akira Tanaka、Daisuke Nakata、Shuichi Furuya、Satoshi Endo、Kazumasa Hamamura、Tomoyuki Kitazaki
DOI:10.1021/jm200216q
日期:2011.7.28
We previously discovered an orally active human gonadotropin-releasing hormone (GnRH) receptor antagonist, thieno[2,3-d]pyrimidine-2,4-dione derivative 1 (sufugolix). To reduce the cytochrome P450 (CYP) inhibitory activity and improve in vivo GnRH antagonistic activity, further optimization of this scaffold was carried out. We focused our synthetic efforts on chemical modification at the 5 and 3 positions
我们以前发现了一种口服活性人促性腺激素释放激素(GnRH)受体拮抗剂,thieno [2,3 - d ]嘧啶-2,4-dione衍生物1(sufugolix)。为降低细胞色素P450(CYP)抑制活性并提高体内GnRH拮抗活性,对该支架进行了进一步优化。基于计算模型,我们将合成工作集中在噻吩并[2,3 - d ]嘧啶-2,4-二酮环的5和3位的化学修饰上,从而发现了1- 4- [1 -(2,6-二氟苄基)-5-[(二甲氨基)甲基] -3-(6-甲氧基吡啶并-3-基)-2,4-二氧-1,2,3,4-四氢噻吩并[2,3- d ]嘧啶-6-基]苯基} -3-甲氧基脲(16b)作为高效和口服活性的GnRH拮抗剂。在没有CYP抑制的胎牛血清(FBS)存在下,化合物16b表现出强大的体外GnRH拮抗活性。口服16b维持3 h / kg剂量的去势食蟹猕猴血浆黄体生成激素水平的抑制作用超过24小时。化合