3',5'-O-bis-(tetrahydropyranyl)-5-bromo-2'-deoxyuridine | 93182-32-2

• 分子结构分类: 有机化合物 - 核苷、核苷酸和类似物 - 嘧啶核苷
• 英文名称: 3',5'-O-bis-(tetrahydropyranyl)-5-bromo-2'-deoxyuridine
• 英文别名: 5-bromo-1-[(2R,4S,5R)-4-(oxan-2-yloxy)-5-(oxan-2-yloxymethyl)oxolan-2-yl]pyrimidine-2,4-dione
• CAS: 93182-32-2
• 化学式: C₁₉H₂₇BrN₂O₇
• 分子量: 475.337
• InChiKey: YSYBYPGQMKOBLR-HQOAGVKLSA-N

物化性质

• 密度：
  1.51±0.1 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  2
• 重原子数：
  29
• 可旋转键数：
  6
• 环数：
  4.0
• sp3杂化的碳原子比例：
  0.79
• 拓扑面积：
  95.6
• 氢给体数：
  1
• 氢受体数：
  7

反应信息

• 作为反应物：
  描述：

  3',5'-O-bis-(tetrahydropyranyl)-5-bromo-2'-deoxyuridine 在 盐酸 、 正丁基锂 、 碘甲烷 作用下， 以 四氢呋喃 、 甲醇 、 正己烷 为溶剂， 反应 0.08h， 生成 beta-胸苷
  参考文献：
  名称：

  Selective alkylation of pyrimidyl dianions II: synthesis, characterization, and comparative reactivity of 3′, 5′-o-bis- tetrahydropyranyl, trimethylsilyl and tert-butyldimethylsilyl derivatives of 5-bromo-2′-deoxyuridine

  摘要：

  Three compounds which can be used as precursors for thymidine synthesis via methylation at the 5 position, including 3', 5'-o-bis(tetrahydropyranyl)-5-bromo-2'-deoxyuridine 1a, 3', 5'-o-bis-(trimethylsily)-5-bromo-2'-deoxyuridine 1b, and 3', 5'-o-bis-(t-butyldimethylsilyl)-5-bromo-2'-deoxyuridine 1c, were prepared isolated and characterized by spectroscopic methods. Alkylation with methyl iodide using an organo-lithium reagent at low temperature produced 72%, 41% and 74% of thymidine 6, respectively. Tetrahydropyranyl and t-butyldimethylsilyl ethers are found to be better precursors for introduction of a methyl group at the 5 position.

  DOI：

  10.1016/s0040-4020(01)80845-0
• 作为产物：
  描述：

  3,4-二氢-2H-吡喃 、 溴脲苷 在 对甲苯磺酸 作用下， 以 四氢呋喃 为溶剂， 反应 2.0h， 以99.7%的产率得到3',5'-O-bis-(tetrahydropyranyl)-5-bromo-2'-deoxyuridine
  参考文献：
  名称：

  Selective alkylation of pyrimidyl dianions II: synthesis, characterization, and comparative reactivity of 3′, 5′-o-bis- tetrahydropyranyl, trimethylsilyl and tert-butyldimethylsilyl derivatives of 5-bromo-2′-deoxyuridine

  摘要：

  Three compounds which can be used as precursors for thymidine synthesis via methylation at the 5 position, including 3', 5'-o-bis(tetrahydropyranyl)-5-bromo-2'-deoxyuridine 1a, 3', 5'-o-bis-(trimethylsily)-5-bromo-2'-deoxyuridine 1b, and 3', 5'-o-bis-(t-butyldimethylsilyl)-5-bromo-2'-deoxyuridine 1c, were prepared isolated and characterized by spectroscopic methods. Alkylation with methyl iodide using an organo-lithium reagent at low temperature produced 72%, 41% and 74% of thymidine 6, respectively. Tetrahydropyranyl and t-butyldimethylsilyl ethers are found to be better precursors for introduction of a methyl group at the 5 position.

  DOI：

  10.1016/s0040-4020(01)80845-0

文献信息

• Selective alkylation of pyrimidyl dianions II: synthesis, characterization, and comparative reactivity of 3′, 5′-o-bis- tetrahydropyranyl, trimethylsilyl and tert-butyldimethylsilyl derivatives of 5-bromo-2′-deoxyuridine
  作者：Mian M. Alauddin、Peter S. Conti

  DOI：10.1016/s0040-4020(01)80845-0

  日期：1994.1

  Three compounds which can be used as precursors for thymidine synthesis via methylation at the 5 position, including 3', 5'-o-bis(tetrahydropyranyl)-5-bromo-2'-deoxyuridine 1a, 3', 5'-o-bis-(trimethylsily)-5-bromo-2'-deoxyuridine 1b, and 3', 5'-o-bis-(t-butyldimethylsilyl)-5-bromo-2'-deoxyuridine 1c, were prepared isolated and characterized by spectroscopic methods. Alkylation with methyl iodide using an organo-lithium reagent at low temperature produced 72%, 41% and 74% of thymidine 6, respectively. Tetrahydropyranyl and t-butyldimethylsilyl ethers are found to be better precursors for introduction of a methyl group at the 5 position.