4-(thiophen-3-yl)-1H-pyrazol-5-amine | 162286-51-3

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 唑类
• 英文名称: 4-(thiophen-3-yl)-1H-pyrazol-5-amine
• 英文别名: 4-(thien-3-yl)-3(5)-aminopyrazole；3-amino-4-thien-3'-ylpyrazole；4,3'-thienyl-5-aminopyrazole；4-thiophen-3-yl-1H-pyrazol-5-amine
• CAS: 162286-51-3
• 化学式: C₇H₇N₃S
• mdl: MFCD03012546
• 分子量: 165.219
• InChiKey: NFNFJQYDRLAREK-UHFFFAOYSA-N

物化性质

• 沸点：
  363.5±32.0 °C(Predicted)
• 密度：
  1.399±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  1.2
• 重原子数：
  11
• 可旋转键数：
  1
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  82.9
• 氢给体数：
  2
• 氢受体数：
  3

反应信息

• 作为反应物：
  描述：

  4-(thiophen-3-yl)-1H-pyrazol-5-amine 在 四(三苯基膦)钯 、 sodium carbonate 作用下， 以 1,4-二氧六环 、 乙醇 为溶剂， 生成 6-(2-Methoxypyridin-4-yl)-3-thiophen-3-yl-pyrazolo[1-5-a]pyrimidine
  参考文献：
  名称：

  Optimization of a pyrazolo[1,5-a]pyrimidine class of KDR kinase inhibitors: improvements in physical properties enhance cellular activity and pharmacokinetics

  摘要：

  We have introduced solubilizing functionality to a 3,6-disubstituted pyrazolo[1,5-a]pyrimidine series of KDR kinase inhibitors to improve the physical properties of these compounds. The addition of a basic side-chain to the 6-aryl ring, introduction of 3-pyridyl groups, and most significantly, incorporation of a 4-pyridinonyl substituent at the 6-position of the core are modifications that maintain and often enhance the intrinsic potency of this class of inhibitors. Moreover, the improvements in physical properties result in marked increases in cellular activity and more favorable pharmacokinetics in rats. The synthesis and SAR of these compounds are described.(C) 2002 Elsevier Science Ltd. All rights reserved.

  DOI：

  10.1016/s0960-894x(02)00827-2
• 作为产物：
  描述：

  3-噻吩乙腈 在 氢溴酸肼 、 三乙胺 作用下， 以 乙醇 、 水 、 N,N-二甲基甲酰胺 为溶剂， 反应 0.66h， 生成 4-(thiophen-3-yl)-1H-pyrazol-5-amine
  参考文献：
  名称：

  新型吡唑并[1,5-a]嘧啶的合成和生物学评估：发现JAK1 JH2假激酶和VPS34的选择性抑制剂。

  摘要：

  通过微波辅助方法制备了一系列新颖的3,6-二取代或3-取代的吡唑并[1,5-a]嘧啶，该方法以良好的收率（20-93％ave）产生了广泛的衍生物。 = 59％）。简单的合成方法包括依次用DMF-二甲基乙缩醛（120°C，20分钟）处理市售的乙腈衍生物，然后用NH2NH2·HBr（120°C，20分钟）和1,1,3,3-处理四甲氧基丙烷或2-芳基取代的丙二醛（120°C，20分钟）。在体外筛选化合物针对MCF7乳腺癌和/或A2780卵巢癌细胞系的抗有丝分裂活性。活性最高的化合物的EC50值为0.5至4.3μM，

  DOI：

  10.1016/j.bmcl.2019.126813

文献信息

• A new class of pyrazolo[5,1-c][1,2,4]triazines as γ-aminobutyric type A (GABAA) receptor subtype ligand: synthesis and pharmacological evaluation
  作者：Gabriella Guerrini、Giovanna Ciciani、Simona Daniele、Claudia Martini、Camilla Costagli、Chiara Guarino、Silvia Selleri

  DOI：10.1016/j.bmc.2018.04.011

  日期：2018.5

  between compounds with pyrazolo[1,5-a]pyrimidine structure (series 4-6) and pyrazolo[5,1-c][1,2,4]triazine core (series 9) as ligands at GABAA-receptor subtype, was evaluated. Moreover, for pyrazolotriazine derivatives having binding recognition, the interaction on recombinant rat α(1-3,5) GABAA receptor subtypes, was performed. Among these latter, emerge compounds 9c, 9k, 9l, 9m and 9n as α1-selective

  以吡唑并[1,5-a]嘧啶结构（4-6系列）和吡唑并[5,1-c] [1,2,4]三嗪核心（9系列）为配体的化合物在GABAA受体亚型之间的比较，进行了评估。此外，对于具有结合识别的吡唑并三嗪衍生物，进行了对重组大鼠α（1-3,5）GABAA受体亚型的相互作用。在这些化合物中，出现了化合物9c，9k，9l，9m和9n作为α1选择性配体，而9h作为α2选择性配体。
• Synthesis and pharmacological evaluation of pyrazolo[1,5-a]pyrimidin-7(4H)-one derivatives as potential GABAA-R ligands
  作者：Gabriella Guerrini、Giovanna Ciciani、Simona Daniele、Lorenzo Di Cesare Mannelli、Carla Ghelardini、Claudia Martini、Silvia Selleri

  DOI：10.1016/j.bmc.2017.02.013

  日期：2017.3

  The synthesis of a new series of 6-phenyl- and 6-benzylpyrazolo[1,5-a]pyrimidin-7(4H)-ones 2a-g and 3a-g, strictly related to derivatives with pyrazolobenzotriazine (PBT) and pyrazoloquinazoline (PQ) scaffold, was realized. The in vitro GABAA-receptor subtype affinity was evaluated and from preliminary pharmacological studies, compound 3g shows anxiolytic-like effect at 10-30mg/kg.

  一系列新的6-苯基-和6-苄基吡唑并[1,5-a]嘧啶7（4H）-酮2a-g和3a-g的合成，这些衍生物与吡唑并苯并三嗪（PBT）和吡唑并喹唑啉的衍生物严格相关（ PQ）脚手架，已实现。评估了体外GABAA-受体亚型的亲和力，并从初步药理学研究中，化合物3g在10-30mg / kg时显示出抗焦虑样作用。
• Synthesis and Initial SAR Studies of 3,6-Disubstituted Pyrazolo[1,5-a]pyrimidines: A New Class of KDR Kinase Inhibitors
  作者：Mark E. Fraley、William F. Hoffman、Robert S. Rubino、Randall W. Hungate、Andrew J. Tebben、Ruth Z. Rutledge、Rosemary C. McFall、William R. Huckle、Richard L. Kendall、Kathleen E. Coll、Kenneth A. Thomas

  DOI：10.1016/s0960-894x(02)00525-5

  日期：2002.10

  synthesized and evaluated the activity of 3,6-disubstituted pyrazolo[1,5-a]pyrimidines as a new class of KDR kinase inhibitors. Starting with screening lead 1, potency against isolated KDR was fully optimized with 3-thienyl and 4-methoxyphenyl substituents at the 6- and 3-positions (3g, KDR IC(50)=19 nM), respectively. The synthesis and SAR of these compounds are described.

  我们已经合成并评估了3,6-二取代的吡唑并[1,5-a]嘧啶作为一类新的KDR激酶抑制剂的活性。从筛选铅1开始，分别在6位和3位（3g，KDR IC（50）= 19 nM）处使用3-噻吩基和4-甲氧基苯基取代基完全优化了对分离的KDR的效力。描述了这些化合物的合成和SAR。
• 7-Aminopyrazolo[1,5-<i>a</i>]pyrimidines as Potent Multitargeted Receptor Tyrosine Kinase Inhibitors
  作者：Robin R. Frey、Michael L. Curtin、Daniel H. Albert、Keith B. Glaser、Lori J. Pease、Niru B. Soni、Jennifer J. Bouska、David Reuter、Kent D. Stewart、Patrick Marcotte、Gail Bukofzer、Junling Li、Steven K. Davidsen、Michael R. Michaelides

  DOI：10.1021/jm701397k

  日期：2008.7

  7-Aminopyrazolo[1,5-a]pyrimidine urea receptor tyrosine kinase inhibitors have been discovered. Investigation of structure-activity relationships of the pyrazolo[1,5-a]pyrimidine nucleus led to a series of 6-(4-N,N'-diphenyl)ureas that potently inhibited a panel of vascular endothelial growth factor receptor (VEGFR) and platelet-derived growth factor receptor (PDGFR) kinases. Several of these compounds, such as 34a, are potent inhibitors of kinase insert domain-containing receptor tyrosine kinase (KDR) both enzymatically (< 10 nM) and cellularly (< 10 nM). In addition, compound 34a possesses a favorable pharmacokinetic profile and demonstrates efficacy in the estradiol-induced murine uterine edema (UE) model (ED(50) = 1.4 mg/kg).
• Bruni, Fabrizio; Selleri, Silvia; Costanzo, Annarella, Journal of Heterocyclic Chemistry, 1995, vol. 32, # 1, p. 291 - 298
  作者：Bruni, Fabrizio、Selleri, Silvia、Costanzo, Annarella、Guerrini, Gabriella、Casilli, Maria Lucia、Giusti, Laura

  DOI：——

  日期：——