申请人:Takeda Pharmaceutical Company Limited
公开号:EP1657238A1
公开(公告)日:2006-05-17
There are provided a fused pyrimidine compound having antagonistic activity against luteinizing hormone releasing hormone, and a medicine containing the compound. A luteinizing hormone releasing hormone antagonist containing a compound represented by the formula:
wherein R1a is a hydrocarbon group which may be substituted or a hydrogen atom,
ring Aa is a 6-membered aromatic ring which may be further substituted,
ring Ba is a homocyclic or heterocyclic ring which may be further substituted,
Wa is an oxygen atom or a sulfur atom,
Xa1 and Xa2, which may be identical or different, are each a hydrogen atom, a hydrocarbon group which may be substituted, or a heterocyclic group which may be substituted, or Xa1 and Xa2 together may form an oxygen atom, a sulfur atom or NR3a (wherein R3a is a hydrocarbon group which may be substituted or a hydrogen atom), and
Ya is C1-6 alkylene which may be substituted or a bond, or a salt or prodrug thereof.
提供了一种对黄体生成素释放激素具有拮抗活性的融合嘧啶化合物,以及一种含有该化合物的药物。一种黄体生成素释放激素拮抗剂含有由式表示的化合物:
其中 R1a 是可被取代的烃基或氢原子、
环 Aa 是可被进一步取代的 6 元芳香环、
环 Ba 是可被进一步取代的同环或杂环、
Wa 是氧原子或硫原子、
Xa1 和 Xa2(可以相同或不同)各自是氢原子、可被取代的烃基或可被取代的杂环基,或 Xa1 和 Xa2 可共同形成氧原子、硫原子或 NR3a(其中 R3a 是可被取代的烃基或氢原子),以及
Ya 是可被取代的 C1-6 亚烷基或键,或其盐或原药。