8-bromo-7-but-2-ynyl-1-methyl-3H-purine-2,6-dione

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 咪唑并嘧啶类
• 英文名称: 8-bromo-7-but-2-ynyl-1-methyl-3H-purine-2,6-dione
• 化学式: C₁₀H₉BrN₄O₂
• 分子量: 297.11
• InChiKey: MXRZIKRBHVPOEX-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  1.1
• 重原子数：
  17
• 可旋转键数：
  1
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.3
• 拓扑面积：
  67.2
• 氢给体数：
  1
• 氢受体数：
  3

文献信息

• PROCESS FOR THE PREPARATION OF DIPEPTIDYLPEPTIDASE INHIBITORS
  申请人：GLENMARK PHARMACEUTICALS LIMITED; GLENMARK GENERICS LIMITED

  公开号：US20150239887A1

  公开（公告）日：2015-08-27

  Provided is a process for the preparation of linagliptin of Formula I, comprising deprotecting a compound of Formula II wherein R 1 and R 2 together with the nitrogen to which they are attached form a phthalimido group, wherein the aromatic ring of the phthalimido group is substituted with one or more R 3 substituents selected from the group consisting of halogen, alkyi, nitro and amino; or R 1 is H and R 2 is selected from the group consisting of trialkylsilyl, 2-trialkylsilylethoxycarbamates, acetyl, trihaloacetyl, 9-fluorenylmethoxycarbonyl, trityl, alkylsulfonyl, arylsulfonyl, diphenylphosphine and sulfonylethoxycarbonyl.

  本发明提供了一种制备式I的利那格列汀的方法，包括去保护式II化合物，其中R1和R2与它们附着的氮形成邻苯二甲酰亚胺基团，其中邻苯二甲酰亚胺基团的芳环被选自卤素，烷基，硝基和氨基的一个或多个R3取代基所取代；或者R1为H，R2被选自三烷基硅基，2-三烷基硅基乙氧基羰基，乙酰基，三卤乙酰基，9-芴基甲氧基羰基，三苯甲基，烷基磺酰基，芳基磺酰基，二苯基膦和磺酰乙氧基羰基的群组。
• US9353114B2
  申请人：——

  公开号：US9353114B2

  公开（公告）日：2016-05-31
• US9593119B2
  申请人：——

  公开号：US9593119B2

  公开（公告）日：2017-03-14
• [EN] PROCESS FOR THE PREPARATION OF DIPEPTIDYLPEPTIDASE INHIBITORS<br/>[FR] PROCÉDÉ DE PRÉPARATION D'INHIBITEURS DE DIPEPTIDYLPEPTIDASE
  申请人：GLENMARK PHARMACEUTICALS LTD GLENMARK GENERICS LTD

  公开号：WO2014033746A2

  公开（公告）日：2014-03-06

  The present invention provides a process for the preparation of linagliptin, a compound of Formula I, the process comprising deprotecting a compound of Formula II wherein R1 and R2 together with the nitrogen to which they are attached form a phthalimido group, wherein the aromatic ring of the phthalimido group is substituted with one or more R3 substituents selected from the group consisting of halogen, alkyi, nitro and amino; or R1 is H and R2 is selected from the group consisting of trialkylsilyl, 2-trialkylsilylethoxycarbamates, acetyl, trihaloacetyl,. 9- fluorenylmethoxycarbonyl, trityl, alkylsulfonyl, arylsulfonyl, diphenylphosphine and sulfonylethoxycarbonyl.