8-methyl-3-(1H-tetrazol-5-yl)-4H-pyrido[1,2-a]pyrimidin-4-one | 69372-15-2

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 吡啶并嘧啶类
• 英文名称: 8-methyl-3-(1H-tetrazol-5-yl)-4H-pyrido[1,2-a]pyrimidin-4-one
• 英文别名: 4H-Pyrido[1,2-a]pyrimidin-4-one, 8-methyl-3-(1H-tetrazol-5-yl)-；8-methyl-3-(2H-tetrazol-5-yl)pyrido[1,2-a]pyrimidin-4-one
• CAS: 69372-15-2
• 化学式: C₁₀H₈N₆O
• 分子量: 228.213
• InChiKey: CNMREJAGHMAVGQ-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  -0.7
• 重原子数：
  17
• 可旋转键数：
  1
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.1
• 拓扑面积：
  87.1
• 氢给体数：
  1
• 氢受体数：
  5

反应信息

• 作为产物：
  描述：

  3-cyano-4-imino-8-methyl-4H-pyrido[1,2-a]pyrimidine 以81%的产率得到8-methyl-3-(1H-tetrazol-5-yl)-4H-pyrido[1,2-a]pyrimidin-4-one
  参考文献：
  名称：

  Process for producing 3-tetrazolyl pyrido[1,2-a]pyrimidine derivatives

  摘要：

  3-噻唑基吡啶并[1,2-a]嘧啶-4-酮衍生物可作为抗过敏剂，通过将吡啶并[1,2-a]嘧啶-4-酮化合物的氰衍生物与（i）叠氮酸反应，然后水解，或与（ii）叠氮酸盐反应，再将产物与酸或碱反应，然后水解制备。

  公开号：

  US05081243A1

文献信息

• 3-Tetrazolo-5,6,7,8-substituted-pyrido[1,2-a]pyrimidin-4-ones
  申请人：Bristol-Myers Company

  公开号：US04122274A1

  公开（公告）日：1978-10-24

  A novel series of optionally substituted 3-(1H-tetrazol-5-yl)-4H-pyrido[1,2-a]pyrimidin-4-ones is provided for use as inhibitors of allergic reactions. The compounds exhibit antiallergy activity by both oral and parenteral routes of administration.

  提供了一系列可选替代的3-(1H-四唑-5-基)-4H-吡啶并[1,2-a]嘧啶-4-酮类化合物，用作抑制过敏反应的抑制剂。这些化合物通过口服和注射途径展现抗过敏活性。
• Process for producing pyrido[1,2-a] pyrimidine derivative
  申请人：WAKO PURE CHEMICAL INDUSTRIES LTD

  公开号：EP0385634A2

  公开（公告）日：1990-09-05

  3-Tetrazolylpyrido[1,2-a]pyrimidin-4-ones of formula useful as an antiallergy agent are produced by reacting a cyano derivative of pyrido[1,2-a]pyrimidin-4-one compound with (i) hydrazoic acid, followed by hydrolysis or with (ii) a salt of hydrazoic acid, reacting the resulting product with an acid or a base, followed by hydrolysis.

  3-四唑基吡啶并[1,2-a]嘧啶-4-酮的式 吡啶并[1,2-a]嘧啶-4-酮化合物的氰基衍生物与(i)苯甲酸反应，然后水解，或与(ii)苯甲酸盐反应，生成物与酸或碱反应，然后水解，即可制得可用作抗过敏剂的 3-四唑基吡啶并[1,2-a]嘧啶-4-酮。
• DRUG-ENHANCED ADHESION PREVENTION
  申请人：Young E. Janel

  公开号：US20080119494A1

  公开（公告）日：2008-05-22

  The present invention includes methods for the inhibition of post-operative adhesion formation between tissue surfaces in a body cavity having been subjected to a surgical procedure, which methods involve administering Pemirolast, or an analog thereof, directly to tissue surfaces in the body cavity in amounts and under conditions effective to inhibit formation of adhesions, and to delivery vehicles and compositions suitable for use for local, non-systemic administration of a drug to the body and directly to tissue within a body cavity having been subjected to a surgical procedure.
• US4122274A
  申请人：——

  公开号：US4122274A

  公开（公告）日：1978-10-24
• US5081243A
  申请人：——

  公开号：US5081243A

  公开（公告）日：1992-01-14