1-(4-bromobutoxy)-2-methoxy-4-nitrobenzene | 82040-91-3

• 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: 1-(4-bromobutoxy)-2-methoxy-4-nitrobenzene
• CAS: 82040-91-3
• 化学式: C₁₁H₁₄BrNO₄
• 分子量: 304.14
• InChiKey: YQSXFBZMJSQDBS-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.6
• 重原子数：
  17
• 可旋转键数：
  6
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.45
• 拓扑面积：
  64.3
• 氢给体数：
  0
• 氢受体数：
  4

反应信息

• 作为反应物：
  描述：

  1-(4-bromobutoxy)-2-methoxy-4-nitrobenzene 在 palladium 10% on activated carbon 、 氢气 作用下， 以 甲醇 、 二氯甲烷 、 N,N-二甲基甲酰胺 为溶剂， 生成
  参考文献：
  名称：

  基于合理设计发现有效的人谷氨酰胺基环化酶抑制剂作为抗阿尔茨海默氏病的药物

  摘要：

  谷氨酰胺基环化酶（QC）通过产生β淀粉样肽（pGlu-Aβ）的N末端焦谷氨酸与毒性淀粉样蛋白斑块的形成有关，因此可能参与了阿尔茨海默氏病（AD）的发病机理。我们基于优选底物Aβ3E-42的拟议结合模式设计了谷氨酰环化酶（QC）抑制剂库。一项体外结构-活性关系研究确定了几种出色的QC抑制剂，与已知的QC抑制剂相比，其效能提高了5至40倍。在AD的小鼠模型中测试时，化合物212显着降低了焦状Aβ和总Aβ的大脑浓度，并恢复了认知功能。这种强大的Aβ降低作用是通过将一个额外的结合区并入我们先前建立的药效团模型中而实现的，从而导致在QC结合位点与Glu327的羧酸酯基团发生强相互作用。我们的研究为设计新型QC抑制剂作为AD的潜在治疗方法提供了有用的见识。

  DOI：

  10.1021/acs.jmedchem.7b00098
• 作为产物：
  描述：

  1,4-二溴丁烷 、 4-硝基愈创木酚 在 potassium carbonate 作用下， 以 N,N-二甲基甲酰胺 为溶剂， 反应 1.0h， 以64%的产率得到1-(4-bromobutoxy)-2-methoxy-4-nitrobenzene
  参考文献：
  名称：

  基于合理设计发现有效的人谷氨酰胺基环化酶抑制剂作为抗阿尔茨海默氏病的药物

  摘要：

  谷氨酰胺基环化酶（QC）通过产生β淀粉样肽（pGlu-Aβ）的N末端焦谷氨酸与毒性淀粉样蛋白斑块的形成有关，因此可能参与了阿尔茨海默氏病（AD）的发病机理。我们基于优选底物Aβ3E-42的拟议结合模式设计了谷氨酰环化酶（QC）抑制剂库。一项体外结构-活性关系研究确定了几种出色的QC抑制剂，与已知的QC抑制剂相比，其效能提高了5至40倍。在AD的小鼠模型中测试时，化合物212显着降低了焦状Aβ和总Aβ的大脑浓度，并恢复了认知功能。这种强大的Aβ降低作用是通过将一个额外的结合区并入我们先前建立的药效团模型中而实现的，从而导致在QC结合位点与Glu327的羧酸酯基团发生强相互作用。我们的研究为设计新型QC抑制剂作为AD的潜在治疗方法提供了有用的见识。

  DOI：

  10.1021/acs.jmedchem.7b00098

文献信息

• 4-Nitropyrocatechol ethers as possible photoaffinity labels
  作者：A. Castello、J. Cervello、J. Marquet、M. Moreno-Mañas、X. Sirera

  DOI：10.1016/s0040-4020(01)87564-5

  日期：1986.1

  The photochemical reactions of O- and N-(2-methoxy-4-nitro)phenoxyalkyl derivatives of estrone and of the antibiotic cycloheximide with methylamine afford clean substitutions of the methoxy group. From these experiments it is inferred that 2-methoxy-4-nitrophenyl ethers can be good photoaffinity labels.

  雌酮的O-和N-（2-甲氧基-4-硝基）苯氧基烷基衍生物以及抗生素环己酰亚胺与甲胺的光化学反应提供了甲氧基的干净取代。从这些实验推断出2-甲氧基-4-硝基苯基醚可以是良好的光亲和标记。
• Photoinduced Intramolecular Substitution. II. Absence of<i>meta</i>-Favoring Effect in Nucleophilic Photosubstitution of Nitroveratrole Derivatives
  作者：Kiyoshi Mutai、Kenji Yokoyama、Sei-ichiro Kanno、Keiji Kobayashi

  DOI：10.1246/bcsj.55.1112

  日期：1982.4

  meta-favoring nucleophilic aromatic substitution was examined in a homologous series of 1-(2-methoxy-4-nitrophenoxy)-ω-anilinoalkanes. The structure of reaction products, the reaction kinetics, and absorption spectra of intermediates showed no appreciable alteration of reaction pathway by the introduction of 2-methoxyl group. The photoreaction was exclusively a para-directing nucleophilic substitution.

  在同源系列的 1-(2-甲氧基-4-硝基苯氧基)-ω-苯胺基烷烃中检查了可能发生的伴随间位亲核芳香取代的 photo-Smiles 重排。反应产物的结构、反应动力学和中间体的吸收光谱均未显示通过引入 2-甲氧基对反应途径产生明显改变。光反应完全是对位定向的亲核取代。
• Discovery of highly potent human glutaminyl cyclase (QC) inhibitors as anti-Alzheimer's agents by the combination of pharmacophore-based and structure-based design
  作者：Nguyen Van Manh、Van-Hai Hoang、Van T.H. Ngo、Jihyae Ann、Tae-ho Jang、Jung-Hye Ha、Jae Young Song、Hee-Jin Ha、Hee Kim、Young-Ho Kim、Jiyoun Lee、Jeewoo Lee

  DOI：10.1016/j.ejmech.2021.113819

  日期：2021.12

  tested compounds, the cyclopentylmethyl derivative (214) exhibited the most potent in vitro activity (IC50 = 0.1 nM), while benzimidazole (227) showed the most promising in vivo efficacy, selectivity and druggable profile. 227 significantly reduced the concentration of pyroform Aβ and total Aβ in the brain of an AD animal model and improved the alternation behavior of mice during Y-maze tests. The crystal

  谷氨酰胺酰环化酶 (QC) 的抑制可能通过减少AD 患者大脑中有毒的 β-淀粉样蛋白 (Aβ N3pE )的量来为治疗早期阿尔茨海默病 (AD) 提供有希望的策略。在这项工作中，我们确定了有效的 QC 抑制剂，其 IC 50值比 PQ912 高出 290 倍，而 PQ912 目前正在 II 期临床试验中进行测试。 在测试的化合物中，环戊基甲基衍生物 ( 214 ) 表现出最有效的体外活性 (IC 50  = 0.1 nM)，而苯并咪唑 ( 227 ) 表现出最有希望的体内功效、选择性和成药特性。227显着降低了AD动物模型大脑中pyroform Aβ和总Aβ的浓度，并改善了小鼠在Y迷宫测试中的交替行为。与214复合的人 QC ( h QC)的晶体结构表明在活性位点紧密结合，支持 QC 的特异性抑制导致有效的体外和体内活性。考虑到靶向 Aβ 的 donanemab 最近的临床成功N3pE，基于小分子的
• Potent human glutaminyl cyclase inhibitors as potential anti-Alzheimer’s agents: Structure-activity relationship study of Arg-mimetic region
  作者：Van T.H. Ngo、Van-Hai Hoang、Phuong-Thao Tran、Jihyae Ann、Minghua Cui、Gyungseo Park、Sun Choi、Jiyoun Lee、Hee Kim、Hee-Jin Ha、Kwanghyun Choi、Young-Ho Kim、Jeewoo Lee

  DOI：10.1016/j.bmc.2018.01.015

  日期：2018.3

  Pyroglutamate-modified amyloid beta peptides (pGlu-A beta) are highly neurotoxic and promote the formation of amyloid plaques. The pGlu-A beta peptides are generated by glutaminyl cyclase (QC), and recent clinical studies indicate that QC represents an alternative therapeutic target to treat Alzheimer's disease (AD). We have previously developed a series of QC inhibitors with an extended pharmacophoric scaffold, termed the Arg-mimetic D-region. In the present study, we focused on the structure activity relationship (SAR) of analogues with modifications in the D-region and evaluated their biological activity. Most compounds in this series exhibited potent activity in vitro, and our SAR analysis and the molecular docking studies identified compound 202 as a potential candidate because it forms an additional hydrophobic interaction in the hQC active site. Overall, our study provides valuable insights into the Arg-mimetic pharmacophore that will guide the design of novel QC inhibitors as potential treatments for AD. (C) 2018 Elsevier Ltd. All rights reserved.
• Topologically Controlled Coulombic Interactions, a New Tool in the Developing of Novel Reactivity. Photochemical and Electrochemical Cleavage of Phenyl Alkyl Ethers
  作者：Jorge Marquet、Eduard Cayon、Xavier Martin、Francisco Casado、Iluminada Gallardo、Miquel Moreno、Jose M. Lluch

  DOI：10.1021/jo00117a037

  日期：1995.6

  The hypothesis that a specific placement of a positive charge would dramatically alter the behavior of a charged intermediate has been tested. Phenyl ethers substituted by electron-attracting groups do not undergo reductive fragmentation. However, related alpha-piperidino-omega-(4-substituted-phenoxy)-alkanes give alkyl ether photocleavage when the linker between the redox centers is short, or the usual substitution-reduction photochemistry when it is long. Mechanistic experiments suggest that the photofragmentation process operates through space intramolecular electron transfer to the triplet aromatic chromophore and that a coplanar relative orientation of the alkyl ether bond and the phenyl ring is compulsory for the photofragmentation to be observed. Configuration interaction AM1 calculations justify the described facts, indicating that the fragmentation process is only operative when a Coulombic stabilization of a sigma* intramolecular electron transfer excited state is produced. Electrochemical studies carried out with the corresponding quaternary salts (intermolecular generation of the phenyl ether radical anion) confirm the conclusions derived from the photochemical experiments.