4-(4-tert-butylphenyl)-2-(methylthio)pyrimidine | 943997-53-3

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 二嗪类
• 英文名称: 4-(4-tert-butylphenyl)-2-(methylthio)pyrimidine
• 英文别名: 4-(4-Tert-butylphenyl)-2-methylsulfanylpyrimidine
• CAS: 943997-53-3
• 化学式: C₁₅H₁₈N₂S
• 分子量: 258.387
• InChiKey: DNIYMAUTKUTOEI-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  4.4
• 重原子数：
  18
• 可旋转键数：
  3
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.33
• 拓扑面积：
  51.1
• 氢给体数：
  0
• 氢受体数：
  3

反应信息

• 作为反应物：
  描述：

  4-(4-tert-butylphenyl)-2-(methylthio)pyrimidine 在 间氯过氧苯甲酸 作用下， 以 1,4-二氧六环 、 乙醇 、 二氯甲烷 为溶剂， 反应 23.0h， 生成 4-(4-tert-butylphenyl)-N-(2,3-dihydro-1,4-benzodioxin-6-yl)pyrimidin-2-amine
  参考文献：
  名称：

  Novel Vanilloid Receptor-1 Antagonists:  1. Conformationally Restricted Analogues of trans-Cinnamides

  摘要：

  The vanilloid receptor-1 (VR1 or TRPV1) is a member of the transient receptor potential (TRP) family of ion channels and plays a role as an integrator of multiple pain-producing stimuli. From a high-throughput screening assay, measuring calcium uptake in TRPV1-expressing cells, we identified an N-aryl trans-cinnamide (AMG9810, compound 9) that acts as a potent TRPV1 antagonist. We have demonstrated the antihyperalgesic properties of 9 in vivo and have also reported the discovery of novel, orally bioavailable cinnamides derived from this lead. Herein, we expand our investigations and describe the synthesis and biological evaluation of a series of conformationally constrained analogues of the s-cis conformer of compound 9. These investigations resulted in the identification of 4-amino- and 4-oxopyrimidine cores as suitable isosteric replacements for the trans-acrylamide moiety. The best examples from this series, pyrimidines 79 and 74, were orally bioavailable and exhibited potent antagonism of both rat (IC50 = 4.5 and 0.6 nM, respectively) and human TRPV1 (IC50 = 7.4 and 3.7 nM, respectively). In addition, compound 74 was shown to be efficacious at blocking a TRPV1-mediated physiological response in vivo in the capsaicin-induced hypothermia model in rats; however, it was ineffective at preventing thermal hyperalgesia induced by complete Freund's adjuvant in rats.

  DOI：

  10.1021/jm070189q
• 作为产物：
  描述：

  2-甲硫基-4-氯嘧啶 、 4-叔丁基苯硼酸 在 四(三苯基膦)钯 sodium carbonate 作用下， 以 乙腈 为溶剂， 反应 6.0h， 以89%的产率得到4-(4-tert-butylphenyl)-2-(methylthio)pyrimidine
  参考文献：
  名称：

  Novel Vanilloid Receptor-1 Antagonists:  1. Conformationally Restricted Analogues of trans-Cinnamides

  摘要：

  The vanilloid receptor-1 (VR1 or TRPV1) is a member of the transient receptor potential (TRP) family of ion channels and plays a role as an integrator of multiple pain-producing stimuli. From a high-throughput screening assay, measuring calcium uptake in TRPV1-expressing cells, we identified an N-aryl trans-cinnamide (AMG9810, compound 9) that acts as a potent TRPV1 antagonist. We have demonstrated the antihyperalgesic properties of 9 in vivo and have also reported the discovery of novel, orally bioavailable cinnamides derived from this lead. Herein, we expand our investigations and describe the synthesis and biological evaluation of a series of conformationally constrained analogues of the s-cis conformer of compound 9. These investigations resulted in the identification of 4-amino- and 4-oxopyrimidine cores as suitable isosteric replacements for the trans-acrylamide moiety. The best examples from this series, pyrimidines 79 and 74, were orally bioavailable and exhibited potent antagonism of both rat (IC50 = 4.5 and 0.6 nM, respectively) and human TRPV1 (IC50 = 7.4 and 3.7 nM, respectively). In addition, compound 74 was shown to be efficacious at blocking a TRPV1-mediated physiological response in vivo in the capsaicin-induced hypothermia model in rats; however, it was ineffective at preventing thermal hyperalgesia induced by complete Freund's adjuvant in rats.

  DOI：

  10.1021/jm070189q

文献信息

• A Platform for the Liebeskind–Srogl Coupling of Heteroaromatic Thioethers for Medicinal-Chemistry-Relevant Transformations
  作者：Victor Koolma、Roman Staiger、Martin Schühle、Achim Bixenmann、Elmar Bauschatz、Matthias Schmid、Fedor M. Miloserdov、Bart Herlé

  DOI：10.1021/acs.orglett.3c03873

  日期：2024.4.12

  functionalization of medicinal-chemistry-relevant heterocyclic substrates. Applicability in HTE and library synthesis, combined with its orthogonality to other cross-coupling reactions, make it highly attractive for discovery chemistry workflows. Additionally, the results suggest that the nature of the Cu(I)-carboxylate plays a more prominent role in the reaction performance than the nature of Pd-catalysts

  开发了 Liebeskind-Srogl 耦合的通用且稳健的条件，并将其用于药物化学相关杂环底物的功能化。 HTE 和文库合成的适用性，加上其与其他交叉偶联反应的正交性，使其对发现化学工作流程极具吸引力。此外，结果表明，Cu(I)-羧酸盐的性质比 Pd 催化剂的性质对反应性能起着更重要的作用，这对于 Pd 催化剂来说相当不常见，可用于 Liebeskind 的进一步优化–Srogl耦合。