4-[(4-hydroxybenzoyl)amino]-1-methyl-3-propyl-1H-pyrazole-5-carboxamide

• 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: 4-[(4-hydroxybenzoyl)amino]-1-methyl-3-propyl-1H-pyrazole-5-carboxamide
• 英文别名: 4-[(4-Hydroxybenzoyl)amino]-2-methyl-5-propylpyrazole-3-carboxamide
• 化学式: C₁₅H₁₈N₄O₃
• 分子量: 302.333
• InChiKey: OTEMNOABCKYOJT-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  1.7
• 重原子数：
  22
• 可旋转键数：
  5
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.27
• 拓扑面积：
  110
• 氢给体数：
  3
• 氢受体数：
  4

反应信息

• 作为反应物：
  描述：

  4-[(4-hydroxybenzoyl)amino]-1-methyl-3-propyl-1H-pyrazole-5-carboxamide 在 aluminum oxide 作用下， 反应 0.02h， 以99%的产率得到5-(4-hydroxyphenyl)-1-methyl-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-7(6H)-one
  参考文献：
  名称：

  修饰，经济有效地合成可变取代的吡唑并[4,3- d ]嘧啶-7-酮

  摘要：

  1-甲基-3-丙基-1 H-吡唑-5-羧酸（3）在黑暗中仅在4位被溴溴化。然后通过依次用亚硫酰氯和氢氧化铵处理，将溴化产物8转化为1-甲基-3-丙基-1 H-吡唑-5-羧酰胺9。在微波（MW）照射下，用各种芳基酰胺处理羧酰胺9，得到4-芳酰基氨基-1-甲基-3-丙基-1 H-吡唑-5-羧酰胺10-22和5-芳基-1-甲基-3-丙基-1,6-二氢-1 H-吡唑并[4,3 - d ]嘧啶-7-酮23-35。1小时通过常规加热或通过MW辐射，也将-吡唑-5-羧酰胺10-22转化为嘧啶酮23-35。但是，MW辐照法可在很短的时间内提供极好的收率。

  DOI：

  10.1002/jhet.5570420608
• 作为产物：
  描述：

  对羟基苯甲酸 在 咪唑盐酸盐 作用下， 以 四氢呋喃 为溶剂， 反应 4.0h， 生成 4-[(4-hydroxybenzoyl)amino]-1-methyl-3-propyl-1H-pyrazole-5-carboxamide
  参考文献：
  名称：

  Synthesis and evaluation of human phosphodiesterases (PDE) 5 inhibitor analogs as trypanosomal PDE inhibitors. Part 1. Sildenafil analogs

  摘要：

  Parasitic diseases, such as African sleeping sickness, have a significant impact on the health and wellbeing in the poorest regions of the world. Pragmatic drug discovery efforts are needed to find new therapeutic agents. In this Letter we describe target repurposing efforts focused on trypanosomal phosphodiesterases. We outline the synthesis and biological evaluation of analogs of sildenafil (1), a human PDE5 inhibitor, for activities against trypanosomal PDEB1 (TbrPDEB1). We find that, while low potency analogs can be prepared, this chemical class is a sub-optimal starting point for further development of TbrPDE inhibitors. (C) 2012 Elsevier Ltd. All rights reserved.

  DOI：

  10.1016/j.bmcl.2012.01.119

文献信息

• A modified, economical and efficient synthesis of variably substituted pyrazolo[4,3-<i>d</i>]pyrimidin-7-ones
  作者：Khalid Mohammed Khan、Ghulam Murtaza Maharvi、Muhammad Iqbal Choudhary、Atta-ur- Rahman、Shahnaz Perveen

  DOI：10.1002/jhet.5570420608

  日期：2005.9

  treated with various aroyl amides under microwave (MW) irradiation to afford 4-aroylamino-1-methyl-3-propyl-1H-pyrazole-5-carboxamides 10-22 and 5-aryl-1-methyl-3-propyl-1,6-dihydro-1H-pyrazolo[4,3-d]pyrimidin-7-ones 23-35. The 1H-pyrazole-5-carboxamides 10-22 were also converted to pyrimidinones 23-35 either by conventional heating or by MW irradiation. However, MW irradiation method gives excellent yields

  1-甲基-3-丙基-1 H-吡唑-5-羧酸（3）在黑暗中仅在4位被溴溴化。然后通过依次用亚硫酰氯和氢氧化铵处理，将溴化产物8转化为1-甲基-3-丙基-1 H-吡唑-5-羧酰胺9。在微波（MW）照射下，用各种芳基酰胺处理羧酰胺9，得到4-芳酰基氨基-1-甲基-3-丙基-1 H-吡唑-5-羧酰胺10-22和5-芳基-1-甲基-3-丙基-1,6-二氢-1 H-吡唑并[4,3 - d ]嘧啶-7-酮23-35。1小时通过常规加热或通过MW辐射，也将-吡唑-5-羧酰胺10-22转化为嘧啶酮23-35。但是，MW辐照法可在很短的时间内提供极好的收率。
• Synthesis and evaluation of human phosphodiesterases (PDE) 5 inhibitor analogs as trypanosomal PDE inhibitors. Part 1. Sildenafil analogs
  作者：Cuihua Wang、Trent D. Ashton、Alden Gustafson、Nicholas D. Bland、Stefan O. Ochiana、Robert K. Campbell、Michael P. Pollastri

  DOI：10.1016/j.bmcl.2012.01.119

  日期：2012.4

  Parasitic diseases, such as African sleeping sickness, have a significant impact on the health and wellbeing in the poorest regions of the world. Pragmatic drug discovery efforts are needed to find new therapeutic agents. In this Letter we describe target repurposing efforts focused on trypanosomal phosphodiesterases. We outline the synthesis and biological evaluation of analogs of sildenafil (1), a human PDE5 inhibitor, for activities against trypanosomal PDEB1 (TbrPDEB1). We find that, while low potency analogs can be prepared, this chemical class is a sub-optimal starting point for further development of TbrPDE inhibitors. (C) 2012 Elsevier Ltd. All rights reserved.