N,N'-dibenzylpyrimidine-4,6-diamine | 101794-35-8

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯和取代衍生物
• 英文名称: N,N'-dibenzylpyrimidine-4,6-diamine
• 英文别名: N⁴,N⁶-dibenzyl-pyrimidine-4,6-diyldiamine；N⁴,N⁶-Dibenzyl-pyrimidin-4,6-diyldiamin；4-N,6-N-dibenzylpyrimidine-4,6-diamine
• CAS: 101794-35-8
• 化学式: C₁₈H₁₈N₄
• 分子量: 290.368
• InChiKey: NNLYTCIUPFUAFH-UHFFFAOYSA-N

物化性质

• 熔点：
  234-235 °C
• 沸点：
  500.9±45.0 °C(Predicted)
• 密度：
  1.229±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  3.8
• 重原子数：
  22
• 可旋转键数：
  6
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.11
• 拓扑面积：
  49.8
• 氢给体数：
  2
• 氢受体数：
  4

反应信息

• 作为反应物：
  描述：

  4,6-二氯嘧啶 、 N,N'-dibenzylpyrimidine-4,6-diamine 在 sodium hydride 作用下， 以 四氢呋喃 为溶剂， 以65%的产率得到4-N,6-N-dibenzyl-4-N,6-N-bis(6-chloropyrimidin-4-yl)pyrimidine-4,6-diamine
  参考文献：
  名称：

  Synthesis and Highly Selective Bromination of Azacalix[4]pyrimidine Macrocycles

  摘要：

  A number of N-substituted azacalix[4]pyrimidines were synthesized by two methods. While straightforward condensation reaction between 4,6-dichloropyrimidine and 4,6-bis(alkylamino)-pyrimidines gave identically N-substituted azacalix[4]pyrimidines in low yields, a general and moderate-to-high yielding 1 + 3 macrocyclic fragment coupling reaction afforded azacalix[4]pyrimidines that contained either the same or different N-substituents. Upon treatment with N-bromosuccinimide (NBS) Under controlled conditions, methylazacalix[4]pyrimidine was selectively brominated at lower rim to produce mono-, di-, and tribrominated azacalix[4]pyrimidines in good yields. While azacalix[4]pyrimidine derivatives adopted 1,3-alternate conformation in the solid state, the synthesized macrocycles were fluxional In solution, and the interconversion of various conformational structures was rapid relative to the NMR time scale.

  DOI：

  10.1021/jo902245q
• 作为产物：
  描述：

  N,N'-dibenzyl-2-(methylsulfanyl)pyrimidine-4,6-diamine 在 三乙基硅烷 、 palladium 10% on activated carbon 作用下， 以 N,N-二甲基乙酰胺 为溶剂， 反应 24.5h， 以96%的产率得到N,N'-dibenzylpyrimidine-4,6-diamine
  参考文献：
  名称：

  杂环硫醚的还原断裂方法

  摘要：

  本发明描述了一种温和的，化学选择性的并且通常是高产率的用于还原性切割杂环硫醚的方法。合适的杂环在相对于环杂原子的2-位具有硫醚取代基。用与标准阮内镍条件不兼容的反应物（例如硫化物，砜和噻吩）证明了这种方便，直接的方法。另外，还原反应条件容许苄基酯，苄基酰胺和氨基甲酸苄酯。

  DOI：

  10.1021/ol2026813

文献信息

• Diuretics. II. Alkoxymercuration by Mixed Anion Salts of Mercury
  作者：Calvert W. Whitehead、John J. Traverso

  DOI：10.1021/ja01542a037

  日期：1958.5
• A Method for the Reductive Scission of Heterocyclic Thioethers
  作者：Thomas H. Graham、Wensheng Liu、Dong-Ming Shen

  DOI：10.1021/ol2026813

  日期：2011.12.2

  substituent at the 2-position relative to a ring heteroatom. The convenient and straightforward method is demonstrated with reactants which are not compatible with the standard Raney nickel conditions such as sulfides, sulfones, and thiophenes. In addition, benzyl esters, benzyl amides, and benzyl carbamates are tolerated by the reductive reaction conditions.

  本发明描述了一种温和的，化学选择性的并且通常是高产率的用于还原性切割杂环硫醚的方法。合适的杂环在相对于环杂原子的2-位具有硫醚取代基。用与标准阮内镍条件不兼容的反应物（例如硫化物，砜和噻吩）证明了这种方便，直接的方法。另外，还原反应条件容许苄基酯，苄基酰胺和氨基甲酸苄酯。
• Synthesis and Highly Selective Bromination of Azacalix[4]pyrimidine Macrocycles
  作者：Li-Xia Wang、De-Xian Wang、Zhi-Tang Huang、Mei-Xiang Wang

  DOI：10.1021/jo902245q

  日期：2010.2.5

  A number of N-substituted azacalix[4]pyrimidines were synthesized by two methods. While straightforward condensation reaction between 4,6-dichloropyrimidine and 4,6-bis(alkylamino)-pyrimidines gave identically N-substituted azacalix[4]pyrimidines in low yields, a general and moderate-to-high yielding 1 + 3 macrocyclic fragment coupling reaction afforded azacalix[4]pyrimidines that contained either the same or different N-substituents. Upon treatment with N-bromosuccinimide (NBS) Under controlled conditions, methylazacalix[4]pyrimidine was selectively brominated at lower rim to produce mono-, di-, and tribrominated azacalix[4]pyrimidines in good yields. While azacalix[4]pyrimidine derivatives adopted 1,3-alternate conformation in the solid state, the synthesized macrocycles were fluxional In solution, and the interconversion of various conformational structures was rapid relative to the NMR time scale.