Discovery of a Thieno[2,3-<i>d</i>]pyrimidine-2,4-dione Bearing a <i>p</i>-Methoxyureidophenyl Moiety at the 6-Position: A Highly Potent and Orally Bioavailable Non-Peptide Antagonist for the Human Luteinizing Hormone-Releasing Hormone Receptor
作者:Satoshi Sasaki、Nobuo Cho、Yoshi Nara、Masataka Harada、Satoshi Endo、Nobuhiro Suzuki、Shuichi Furuya、Masahiko Fujino
DOI:10.1021/jm020180i
日期:2003.1.1
(LHRH) receptor, a thieno[2,3-b]pyridin-4-one derivative, T-98475 (1). Extensive research on developing non-peptide LHRH antagonists has been carried out by employing a strategy of replacing the thienopyridin-4-one nucleus with other heterocyclic surrogates. We describe herein the design and synthesis of a series of thieno[2,3-d]pyrimidine-2,4-dione derivatives containing a biaryl moiety, which led to the
我们先前已经公开了第一种有效且口服有效的非肽类抗人黄体生成激素释放激素(LHRH)受体,即噻吩并[2,3-b]吡啶-4-酮衍生物T-98475(1)。已经通过采用用其他杂环代用品替代噻吩并吡啶-4-酮核的策略对开发非肽LHRH拮抗剂进行了广泛的研究。我们在本文中描述了一系列含有联芳基部分的噻吩并[2,3-d]嘧啶-2,4-二酮衍生物的设计和合成,这些衍生物导致发现了一种高效且口服活性的非肽LHRH拮抗剂, 5-(N-苄基-N-甲基氨基甲基)-1-(2,6-二氟苄基)-6- [4-(3-甲氧基脲基)苯基] -3-苯基噻吩并[2,3-d]嘧啶-2, 4(1H,3H)-二酮(9k:TAK-013)。化合物9k对人受体显示出高结合亲和力和有效的体外拮抗活性,其最大抑制浓度(IC(50))值分别为0.1和0.06 nM。口服9k能够以30 mg / kg的剂量在cast割的雄性食蟹猕猴中几乎完全抑制