6-chloro-9-trityl-9H-purine | 1008361-76-9

• 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: 6-chloro-9-trityl-9H-purine
• 英文别名: 6-Chloro-9-trityl-9h-purine；6-chloro-9-tritylpurine
• CAS: 1008361-76-9
• 化学式: C₂₄H₁₇ClN₄
• 分子量: 396.879
• InChiKey: FOZPGFFRISFTTG-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  5.8
• 重原子数：
  29
• 可旋转键数：
  4
• 环数：
  5.0
• sp3杂化的碳原子比例：
  0.04
• 拓扑面积：
  43.6
• 氢给体数：
  0
• 氢受体数：
  3

反应信息

• 作为反应物：
  描述：

  6-chloro-9-trityl-9H-purine 在 sodium hydride 、 二异丁基氢化铝 、 三氟乙酸 作用下， 以 四氢呋喃 、 二氯甲烷 、 N,N-二甲基甲酰胺 、 甲苯 、 mineral oil 为溶剂， 反应 8.0h， 生成 6-氯-7-甲基嘌呤
  参考文献：
  名称：

  Selective Synthesis of 7-Substituted Purines via 7,8-Dihydropurines

  摘要：

  A simple and efficient protocol for the preparation of 7-substituted purines is described. 6- and 2,6-Dihalopurines were N-9-tritylated and then transformed to 7,8-dihydropurines by DIBAL-H. Subsequent N-7-alkylation followed by N-9-trityl deprotection with trifluoroacetic acid was accompanied by spontaneous reoxidation, which led to the 7-substituted purines at 55-88% overall isolated yields.

  DOI：

  10.1021/ol1025525
• 作为产物：
  描述：

  三苯基氯甲烷 、 6-氯嘌呤 在 三乙胺 作用下， 以 二氯甲烷 为溶剂， 反应 2.0h， 以97%的产率得到6-chloro-9-trityl-9H-purine
  参考文献：
  名称：

  Selective Synthesis of 7-Substituted Purines via 7,8-Dihydropurines

  摘要：

  A simple and efficient protocol for the preparation of 7-substituted purines is described. 6- and 2,6-Dihalopurines were N-9-tritylated and then transformed to 7,8-dihydropurines by DIBAL-H. Subsequent N-7-alkylation followed by N-9-trityl deprotection with trifluoroacetic acid was accompanied by spontaneous reoxidation, which led to the 7-substituted purines at 55-88% overall isolated yields.

  DOI：

  10.1021/ol1025525

文献信息

• Tetramethylammonium Fluoride Alcohol Adducts for S_NAr Fluorination
  作者：María T. Morales-Colón、Yi Yang See、So Jeong Lee、Peter J. H. Scott、Douglas C. Bland、Melanie S. Sanford

  DOI：10.1021/acs.orglett.1c01490

  日期：2021.6.4

  aprotic conditions to maintain the nucleophilicity of fluoride and suppress the generation of side products. This report addresses this challenge by leveraging tetramethylammonium fluoride alcohol adducts (Me4NF·ROH) as fluoride sources for SNAr fluorination. Through systematic tuning of the alcohol substituent (R), tetramethylammonium fluoride tert-amyl alcohol (Me4NF·t-AmylOH) was identified as an

  亲核芳族氟化 (S N Ar) 是形成 C(sp 2 )-F 键的最常用方法之一。尽管最近取得了许多进展，但这些转化的长期限制是需要严格干燥的非质子条件来保持氟化物的亲核性并抑制副产物的产生。本报告通过利用四甲基氟化铵醇加合物 (Me 4 NF·ROH) 作为 S N Ar 氟化的氟化物来源解决了这一挑战。通过系统调整醇取代基 (R)，四甲基氟化铵叔戊醇 (Me 4 NF· t-AmylOH) 被确定为在温和方便的条件下（DMSO 中 80°C，无需干燥试剂或溶剂）下用于 S N Ar 氟化的廉价、实用且台式稳定的试剂。展示了超过 50 种（杂）芳基卤化物和硝基芳烃亲电子试剂的底物范围。
• NOVEL COMPOUNDS AS ANTAGONISTS OR INVERSE AGONISTS FOR OPIOID RECEPTORS
  申请人：Diaz Caroline Jean

  公开号：US20100222345A1

  公开（公告）日：2010-09-02

  This invention relates to novel compounds which are antagonists or inverse agonists at one or more of the opioid receptors, to pharmaceutical compositions containing them, to processes for their preparation, and to their use in therapy.

  这项发明涉及新型化合物，它们是阿片受体的拮抗剂或逆向激动剂之一，以及含有它们的药物组合物，它们的制备过程，以及它们在治疗中的应用。
• Regioselective and Facile Synthesis of 7,9-Dialkyl-8-oxopurines from 7,9-Dialkyl-7,8-dihydropurines: Total Synthesis of Heteromines I and J
  作者：Tomáš Tobrman、Dalimil Dvořák

  DOI：10.1055/s-0033-1340499

  日期：——

  A novel protocol for the synthesis of 6-halo-8-oxo-7,8-dihydro- 9H-purines based on the oxidation of 7,9-dialkyl-7,8-dihydro-9H-purines has been developed. The presented methodology was used as a key step in the synthesis of heteromines I and J.
• Selective Synthesis of 7-Substituted Purines via 7,8-Dihydropurines
  作者：Vladislav Kotek、Naděžda Chudíková、Tomáš Tobrman、Dalimil Dvořák

  DOI：10.1021/ol1025525

  日期：2010.12.17

  A simple and efficient protocol for the preparation of 7-substituted purines is described. 6- and 2,6-Dihalopurines were N-9-tritylated and then transformed to 7,8-dihydropurines by DIBAL-H. Subsequent N-7-alkylation followed by N-9-trityl deprotection with trifluoroacetic acid was accompanied by spontaneous reoxidation, which led to the 7-substituted purines at 55-88% overall isolated yields.