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    • 5. 发明授权
    • Fused pyrimidine derivative, process for preparation of same and
pharmaceutical preparation comprising same as active ingredient
    • 熔融嘧啶衍生物,其制备方法和包含与活性成分相同的药物制剂
    • US5378700A
    • 1995-01-03
    • US839769
    • 1992-06-09
    • Yasuji SakumaMasaichi HasegawaKenichiro KataokaKenji HoshinaNoboru YamazakiTakashi KadotaHisao Yamaguchi
    • Yasuji SakumaMasaichi HasegawaKenichiro KataokaKenji HoshinaNoboru YamazakiTakashi KadotaHisao Yamaguchi
    • A61K31/505A61K31/535A61K31/54A61K31/55C07D471/04C07D487/04
    • C07D471/04C07D487/04
    • Disclosed is a fused pyrimidine of the formula [I] ##STR1## wherein R.sup.1, R.sup.2, and R.sup.3 are as defined in the specification, Y represents a linking group of the formula ##STR2## wherein n is an integer of from 4 to 6, ##STR3## wherein A is a hydrogen atom or alkyl group; and Z represents a hydrogen atom, or other substituents; or Y and Z together represent an unsubstituted or substituted alkyl, alkenyl or arylalkyl group; or a 5- to 7-member heterocyclic ring which has a nitrogen atom, and further, an oxygen or sulfur atom as a hetero atom other than the nitrogen atom, being bonded via the nitrogen atom therein to the 4-position of the pyrimidine ring of the formula (I), a 5- to 7-member unsaturated heterocyclic ring which has 1 to 3 nitrogen atoms being bonded via the nitrogen atom therein to the 4-position of the pyrimidine ring of the formula (I), or a fused biheterocyclic ring constructed with 5- or 6-membered aromatic or non-aromatic rings, which has 1 to 3 nitrogen atoms in any position, being bonded via the nitrogen atom therein to the 4-position of the pyrimidine ring of the formula (I); andm is an integer of from 1 to 3;and a pharmaceutically acceptable acid addition salt thereof, as well as a process for producing same and a pharmaceutical preparation useful for a treatment of hypoxemia associated with respiratory diseases.
    • PCT No.PCT / JP90 / 01313 Sec。 371日期:1992年6月9日 102(e)日期1992年6月9日PCT提交1990年10月11日PCT公布。 出版物WO91 / 05784 日期:1991年5月2日。公开是式[I]的融合嘧啶其中R 1,R 2和R 3如说明书中所定义,Y表示式的连接基团,其中n 是4至6的整数,其中A是氢原子或烷基; O(S) Z表示氢原子或其它取代基; 或Y和Z一起表示未取代或取代的烷基,烯基或芳基烷基; 或具有氮原子的5-至7-元杂环,以及作为氮原子以外的杂原子的氧或硫原子通过氮原子键合到嘧啶环的4-位上 式(I)的通式(I)中的氮原子数为1〜3的5〜7元不饱和杂环与式(I)的嘧啶环的4-位连接, 在其中具有1至3个氮原子的5-或6-元芳族或非芳族环经由其中的氮原子键合到式(I)的嘧啶环的4-位上构成的双杂环, ; m为1〜3的整数, 和其药学上可接受的酸加成盐,以及其制备方法和用于治疗与呼吸系统疾病相关的低氧血症的药物制剂。