dimethyl 6,8-dimethoxyquinoline-2,4-dicarboxylate | 438590-27-3

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 喹啉及其衍生物
• 英文名称: dimethyl 6,8-dimethoxyquinoline-2,4-dicarboxylate
• CAS: 438590-27-3
• 化学式: C₁₅H₁₅NO₆
• 分子量: 305.287
• InChiKey: VTZWZCZXPBJBPY-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.2
• 重原子数：
  22
• 可旋转键数：
  6
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.27
• 拓扑面积：
  84
• 氢给体数：
  0
• 氢受体数：
  7

反应信息

• 作为反应物：
  描述：

  dimethyl 6,8-dimethoxyquinoline-2,4-dicarboxylate 在 hydroxide 作用下， 以 四氢呋喃 为溶剂， 以70%的产率得到6,8-Dimethoxyquinoline-2,4-dicarboxylic acid
  参考文献：
  名称：

  Synthesis and in Vitro Pharmacology of Substituted Quinoline-2,4-dicarboxylic Acids as Inhibitors of Vesicular Glutamate Transport

  摘要：

  The vesicular glutamate transport (VGLUT) system selectively mediates the uptake of L-glutamate into synaptic vesicles. Uptake is linked to an H+-ATPase that provides coupling among ATP hydrolysis, an electrochemical proton gradient, and glutamate transport. Substituted quinoline-2,4-dicarboxylic acids (QDCs), prepared by condensation of dimethyl keto-glutaconate (DKG) with substituted anilines and subsequent hydrolysis, were investigated as potential VGLUT inhibitors in synaptic vesicles. A brief panel of substituted QDCs was previously reported (Carrigan et al. Bioorg. Med. Chem. Lett. 1999, 9, 2607-2612), and showed that certain substituents led to more potent competitive inhibitors of VGLUT. Using these compounds as leads, an expanded series of QDC analogues were prepared either by condensation of DKG with novel anilines or via aryl-coupling (Suzuki or Heck) to dimethyl 6-bromoquino-linedicarboxylate. From the panel of almost 50 substituted QDCs tested as inhibitors of the VGLUT system, the 6-PhCH=CH-QDC (K-i = 167 muM), 6-PhCH2CH2-QDC (K-i = 143 muM), 6-(4'-phenylstyryl)-QDC (K-i = 64 AM), and 6-biphenyl-4-yl-QDC (K-i = 41 muM) were found to be the most potent blockers. A preliminary assessment of the key elements needed for binding to the VGLUT protein based on the structure-activity relationships for the panel of substituted QDCs is discussed herein. The substituted QDCs represent the first synthetically derived VGLUT inhibitors and are promising templates for the development of selective transporter inhibitors.

  DOI：

  10.1021/jm010261z
• 作为产物：
  描述：

  alpha-酮戊二酸 在 氯化亚砜 、 2-甲基苯磺酸 、 溴 作用下， 以 二氯甲烷 为溶剂， 反应 27.5h， 生成 dimethyl 6,8-dimethoxyquinoline-2,4-dicarboxylate
  参考文献：
  名称：

  Synthesis and in Vitro Pharmacology of Substituted Quinoline-2,4-dicarboxylic Acids as Inhibitors of Vesicular Glutamate Transport

  摘要：

  The vesicular glutamate transport (VGLUT) system selectively mediates the uptake of L-glutamate into synaptic vesicles. Uptake is linked to an H+-ATPase that provides coupling among ATP hydrolysis, an electrochemical proton gradient, and glutamate transport. Substituted quinoline-2,4-dicarboxylic acids (QDCs), prepared by condensation of dimethyl keto-glutaconate (DKG) with substituted anilines and subsequent hydrolysis, were investigated as potential VGLUT inhibitors in synaptic vesicles. A brief panel of substituted QDCs was previously reported (Carrigan et al. Bioorg. Med. Chem. Lett. 1999, 9, 2607-2612), and showed that certain substituents led to more potent competitive inhibitors of VGLUT. Using these compounds as leads, an expanded series of QDC analogues were prepared either by condensation of DKG with novel anilines or via aryl-coupling (Suzuki or Heck) to dimethyl 6-bromoquino-linedicarboxylate. From the panel of almost 50 substituted QDCs tested as inhibitors of the VGLUT system, the 6-PhCH=CH-QDC (K-i = 167 muM), 6-PhCH2CH2-QDC (K-i = 143 muM), 6-(4'-phenylstyryl)-QDC (K-i = 64 AM), and 6-biphenyl-4-yl-QDC (K-i = 41 muM) were found to be the most potent blockers. A preliminary assessment of the key elements needed for binding to the VGLUT protein based on the structure-activity relationships for the panel of substituted QDCs is discussed herein. The substituted QDCs represent the first synthetically derived VGLUT inhibitors and are promising templates for the development of selective transporter inhibitors.

  DOI：

  10.1021/jm010261z

文献信息

• Metal-free synthesis of quinoline-2,4-dicarboxylate derivatives using aryl amines and acetylenedicarboxylates through a pseudo three-component reaction
  作者：Saghir Ali、Abu T. Khan

  DOI：10.1039/d1ob01188j

  日期：——

  scaffolds is accomplished from aryl amines and dimethyl/diethyl acetylenedicarboxylates using 20 mol% molecular iodine as a catalyst in acetonitrile at 80 °C. In addition, the mechanistic explanation for the formation of the desired products is disclosed. The pivotal role of molecular iodine in the formation of the major products, diester quinoline derivatives, and the minor product, triesters, in two cases

  在 80 °C 下，使用 20 mol% 分子碘在乙腈中作为催化剂，由芳基胺和乙炔二羧酸二甲酯/二乙酯完成了一种高效、有用且一锅法的 quinoline-2,4-dicarboxylate 支架合成方案。此外，还公开了形成所需产物的机理解释。在机理中描述了分子碘在主要产物二酯喹啉衍生物和次要产物三酯形成中的关键作用，在两种情况下。该方法的显着优点是不涉及金属催化剂，避免最终产品中的金属污染以及废物产生，使用低成本和环保的催化剂，易于处理，区域选择性高，反应时间更短,
• Quinoline-2,4-dicarboxylic acids: Synthesis and evaluation as inhibitors of the glutamate vesicular transport system
  作者：Christina N. Carrigan、C. Sean Esslinger、Richard D. Bartlett、Richard J. Bridges、Charles M. Thompson

  DOI：10.1016/s0960-894x(99)00444-8

  日期：1999.9

  Twenty-six quinoline-2,4-dicarboxylic acids (QDC's) were synthesized by a modified Doebner-von Miller pathway and tested as inhibitors against the glutamate vesicular transport (GVT) protein. The QDC's were active as inhibitors with the most potent QDC's found to contain halogens at the 6-/8-position, a hydroxyl at the 8-position, or a tethered aromatic moiety at the 6- or 7-position of the quinoline. (C) 1999 Elsevier Science Ltd. All rights reserved.