3-amino-4-(3-methyl-5-nitropyridin-2-yl)-5-methyl-1H-pyrazole | 744210-03-5

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 吡啶及其衍生物
• 英文名称: 3-amino-4-(3-methyl-5-nitropyridin-2-yl)-5-methyl-1H-pyrazole
• 英文别名: 5-methyl-4-(3-methyl-5-nitropyridin-2-yl)-1H-pyrazol-3-amine
• CAS: 744210-03-5
• 化学式: C₁₀H₁₁N₅O₂
• 分子量: 233.23
• InChiKey: POLAVUYDWOAWBO-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  1.1
• 重原子数：
  17
• 可旋转键数：
  1
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.2
• 拓扑面积：
  113
• 氢给体数：
  2
• 氢受体数：
  5

反应信息

• 作为反应物：
  描述：

  3-amino-4-(3-methyl-5-nitropyridin-2-yl)-5-methyl-1H-pyrazole 在 palladium on activated charcoal 氢气 、 三氯氧磷 作用下， 以 乙醇 、 乙腈 为溶剂， 反应 5.0h， 生成 3-(5-amino-3-methyl-2-pyridinyl)-2,5-dimethyl-N,N-dipropyl-pyrazolo[2,3-a]pyrimidine-7-amine
  参考文献：
  名称：

  Design of 2,5-Dimethyl-3-(6-dimethyl-4-methylpyridin-3-yl)-7-dipropylaminopyrazolo[1,5-a]pyrimidine (NBI 30775/R121919) and Structure−Activity Relationships of a Series of Potent and Orally Active Corticotropin-Releasing Factor Receptor Antagonists

  摘要：

  We have previously shown that 3-phenylpyrazolo[1,5-a]pyrimidines exemplified by 8 were potent antagonists of the human corticotropin-releasing factor-1 receptor. A series of 3-pyridylpyrazolo[1,5-a]pyrimidines 15, 25-30, 34, and 35 containing a weakly basic pyridine ring at the 3-position of the bicyclic nucleus was designed to reduce lipophilicity from the initial leads such as 7. Here, we showed that these 3-pyridyl compounds exhibited potent antagonists at the human CRF1, receptor. Moreover, the hydrophilic and weakly basic pyridine moiety increased the water solubility of some analogues. Compound 26h exhibited good binding affinity at the human CRF1 receptor with a K-i value of 3.5 nM. As a functional antagonist, it dose-dependently inhibited CRF-stimulated cAMP production in cells expressing the CRF1 receptor [IC50 = 50 nM), and CRF-stimulated ACTH release from cultured rat pituitary cells [IC50 = 20 nM). 26h had a log P value of 4.9 and water solubility of greater than 10 mg/mL. Pharmacokinetic studies in rats showed that 26h was orally bioavailable and able to penetrate into the brain. 26h has been demonstrated in vivo efficacy in animal behavioral models that measure anxiolytic activity. These results suggest that analogues from this series were potent CRF1, receptor antagonists with proper physicochemical properties and good pharmacokinetic profiles. 26h was developed into a clinical compound and exhibited efficacy in patients with major depression.

  DOI：

  10.1021/jm040058e
• 作为产物：
  描述：

  2-氯-3-甲基-5-硝基吡啶 在 氢溴酸肼 、 溶剂黄146 作用下， 以 1,4-二氧六环 、 乙醇 、 二甲基亚砜 为溶剂， 反应 16.0h， 生成 3-amino-4-(3-methyl-5-nitropyridin-2-yl)-5-methyl-1H-pyrazole
  参考文献：
  名称：

  Design of 2,5-Dimethyl-3-(6-dimethyl-4-methylpyridin-3-yl)-7-dipropylaminopyrazolo[1,5-a]pyrimidine (NBI 30775/R121919) and Structure−Activity Relationships of a Series of Potent and Orally Active Corticotropin-Releasing Factor Receptor Antagonists

  摘要：

  We have previously shown that 3-phenylpyrazolo[1,5-a]pyrimidines exemplified by 8 were potent antagonists of the human corticotropin-releasing factor-1 receptor. A series of 3-pyridylpyrazolo[1,5-a]pyrimidines 15, 25-30, 34, and 35 containing a weakly basic pyridine ring at the 3-position of the bicyclic nucleus was designed to reduce lipophilicity from the initial leads such as 7. Here, we showed that these 3-pyridyl compounds exhibited potent antagonists at the human CRF1, receptor. Moreover, the hydrophilic and weakly basic pyridine moiety increased the water solubility of some analogues. Compound 26h exhibited good binding affinity at the human CRF1 receptor with a K-i value of 3.5 nM. As a functional antagonist, it dose-dependently inhibited CRF-stimulated cAMP production in cells expressing the CRF1 receptor [IC50 = 50 nM), and CRF-stimulated ACTH release from cultured rat pituitary cells [IC50 = 20 nM). 26h had a log P value of 4.9 and water solubility of greater than 10 mg/mL. Pharmacokinetic studies in rats showed that 26h was orally bioavailable and able to penetrate into the brain. 26h has been demonstrated in vivo efficacy in animal behavioral models that measure anxiolytic activity. These results suggest that analogues from this series were potent CRF1, receptor antagonists with proper physicochemical properties and good pharmacokinetic profiles. 26h was developed into a clinical compound and exhibited efficacy in patients with major depression.

  DOI：

  10.1021/jm040058e

文献信息

• [EN] CRF RECEPTOR ANTAGONISTS AND METHODS RELATING THERETO<br/>[FR] ANTAGONISTES DU RECEPTEUR DE CRF ET PROCEDES CORRESPONDANTS
  申请人：SB PHARMCO INC

  公开号：WO2005063755A1

  公开（公告）日：2005-07-14

  CRF receptor antagonists are disclosed which have utility in the treatment of a variety of disorders, including the treatment of disorders manifesting hypersecretion of CRF in a warm-blooded animals, such as stroke. The CRF receptor antagonists of this invention have the following structure (I), including stereoisomers, prodrugs and pharmaceutically acceptable salts thereof, wherein R1, R2, R3, Y, Ar, and Het are as defined herein. Compositions containing a CRF receptor antagonist in combination with a pharmaceutically acceptable carrier are also disclosed, as well as methods for use of the same.

  本发明披露了具有治疗多种疾病的效用的CRF受体拮抗剂，包括用于治疗表现为CRF高分泌的温血动物（如中风）的疾病。本发明的CRF受体拮抗剂具有以下结构（I），包括立体异构体、前药和其药用可接受盐，其中R1、R2、R3、Y、Ar和Het如本文所定义。本发明还披露了含有CRF受体拮抗剂的组合物，以及其与药用可接受载体结合的方法。
• Crf Receptor Antagonists and Methods Relating Thereto
  申请人：Luo Zhiyong

  公开号：US20070287705A1

  公开（公告）日：2007-12-13

  CRF receptor antagonists are disclosed which have utility in the treatment of a variety of disorders, including the treatment of disorders manifesting hypersecretion of CRF in a warm blooded animals, such as stroke. The CRF receptor antagonists of this invention have the following structure (I), including stereoisomers, prodrugs and pharmaceutically acceptable salts thereof, wherein R1, R2, R3, Y, Ar, and het are as defined herein. Compositions containing a CRF receptor antagonist in combination with a pharmaceutically acceptable carrier are also disclosed, as well as methods for use of the same.

  本发明揭示了CRF受体拮抗剂，其在治疗各种疾病中具有用途，包括治疗温血动物中CRF分泌过多表现的疾病，例如中风。本发明的CRF受体拮抗剂具有以下结构（I），包括立体异构体、前药和其药物可接受的盐，其中R1、R2、R3、Y、Ar和het的定义如下。本发明还揭示了含有CRF受体拮抗剂和药物可接受载体的组合物，以及使用它们的方法。
• Crf Receptor Antagonists and Methods
  申请人：Luo Zhiyong

  公开号：US20070293511A1

  公开（公告）日：2007-12-20

  CRF receptor antagonists are disclosed which have utility in the treatment of a variety of disorders, including the treatment of disorders manifesting hypersecretion of CRF in a warm-blooded animals, such as stroke. The CRF receptor antagonists of this invention have the following structure: including stereoisomers, prodrugs and pharmaceutically acceptable salts thereof, wherein R 1 , R 2 , R 3 , Y, Ar, and Het are as defined herein. Compositions containing a CRF receptor antagonist in combination with a pharmaceutically acceptable carrier are also disclosed, as well as methods for use of the same.

  本发明揭示了具有治疗多种疾病的用途的CRF受体拮抗剂，包括治疗在恒温动物中表现为CRF过度分泌的疾病，如中风。本发明的CRF受体拮抗剂具有以下结构：包括立体异构体、前药和药学上可接受的盐，其中R1、R2、R3、Y、Ar和Het的定义如本文所述。还揭示了含有CRF受体拮抗剂和药学上可接受的载体的组合物，以及使用它们的方法。
• US7737154B2
  申请人：——

  公开号：US7737154B2

  公开（公告）日：2010-06-15
• Design of 2,5-Dimethyl-3-(6-dimethyl-4-methylpyridin-3-yl)-7-dipropylaminopyrazolo[1,5-<i>a</i>]pyrimidine (NBI 30775/R121919) and Structure−Activity Relationships of a Series of Potent and Orally Active Corticotropin-Releasing Factor Receptor Antagonists
  作者：Chen、Keith M. Wilcoxen、Charles Q. Huang、Yun-Feng Xie、James R. McCarthy、Thomas R. Webb、Yun-Fei Zhu、John Saunders、Xin-Jun Liu、Ta-Kung Chen、Haig Bozigian、Dimitri E. Grigoriadis

  DOI：10.1021/jm040058e

  日期：2004.9.1

  We have previously shown that 3-phenylpyrazolo[1,5-a]pyrimidines exemplified by 8 were potent antagonists of the human corticotropin-releasing factor-1 receptor. A series of 3-pyridylpyrazolo[1,5-a]pyrimidines 15, 25-30, 34, and 35 containing a weakly basic pyridine ring at the 3-position of the bicyclic nucleus was designed to reduce lipophilicity from the initial leads such as 7. Here, we showed that these 3-pyridyl compounds exhibited potent antagonists at the human CRF1, receptor. Moreover, the hydrophilic and weakly basic pyridine moiety increased the water solubility of some analogues. Compound 26h exhibited good binding affinity at the human CRF1 receptor with a K-i value of 3.5 nM. As a functional antagonist, it dose-dependently inhibited CRF-stimulated cAMP production in cells expressing the CRF1 receptor [IC50 = 50 nM), and CRF-stimulated ACTH release from cultured rat pituitary cells [IC50 = 20 nM). 26h had a log P value of 4.9 and water solubility of greater than 10 mg/mL. Pharmacokinetic studies in rats showed that 26h was orally bioavailable and able to penetrate into the brain. 26h has been demonstrated in vivo efficacy in animal behavioral models that measure anxiolytic activity. These results suggest that analogues from this series were potent CRF1, receptor antagonists with proper physicochemical properties and good pharmacokinetic profiles. 26h was developed into a clinical compound and exhibited efficacy in patients with major depression.