4,5-difluoro-9H-xanthene-9-carboxylic acid | 188028-37-7

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 苯并吡喃
• 英文名称: 4,5-difluoro-9H-xanthene-9-carboxylic acid
• CAS: 188028-37-7
• 化学式: C₁₄H₈F₂O₃
• 分子量: 262.213
• InChiKey: ITULVKPBPUVBIF-UHFFFAOYSA-N

物化性质

• 沸点：
  371.9±42.0 °C(Predicted)
• 密度：
  1.474±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  2.9
• 重原子数：
  19
• 可旋转键数：
  1
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.07
• 拓扑面积：
  46.5
• 氢给体数：
  1
• 氢受体数：
  5

反应信息

• 作为反应物：
  描述：

  2-氨基-4-(三氟甲基)恶唑 、 4,5-difluoro-9H-xanthene-9-carboxylic acid 在 1,1'-carbonylbis(3-methylimidazolium) triflate 作用下， 以 硝基甲烷 为溶剂， 反应 15.5h， 生成 4,5-difluoro-N-(4-(trifluoromethyl)oxazol-2-yl)-9H-xanthene-9-carboxamide
  参考文献：
  名称：

  Fluorinated 9H-xanthene-9-carboxylic acid oxazol-2-yl-amides as potent, orally available mGlu1 receptor enhancers

  摘要：

  Small molecule mGluR1 enhancers, which are 9H-xanthene-9-carboxylic acid [ 1,2,4] oxadiazol-3-yl- and (2H-tetrazol-5-yl)-amides, have been previously reported. Fluorinated 9H-xanthene-9-carboxylic acid oxazol-2-yl-amides with improved pharmacokinetic properties have been designed and synthesized as useful pharmacological tools for the study of the physiological roles mediated by mGlu1 receptors. The synthesis and the structure-activity relationship of this class of positive allosteric modulators of mGlu1 receptors will be discussed in detail. (C) 2009 Elsevier Ltd. All rights reserved.

  DOI：

  10.1016/j.bmcl.2009.01.108
• 作为产物：
  描述：

  2-bromo-4,5-difluoro-9H-xanthene-9-carboxylic acid 在 5%-palladium/activated carbon 、 氢气 、 三乙胺 作用下， 以 四氢呋喃 为溶剂， 生成 4,5-difluoro-9H-xanthene-9-carboxylic acid
  参考文献：
  名称：

  Fluorinated 9H-xanthene-9-carboxylic acid oxazol-2-yl-amides as potent, orally available mGlu1 receptor enhancers

  摘要：

  Small molecule mGluR1 enhancers, which are 9H-xanthene-9-carboxylic acid [ 1,2,4] oxadiazol-3-yl- and (2H-tetrazol-5-yl)-amides, have been previously reported. Fluorinated 9H-xanthene-9-carboxylic acid oxazol-2-yl-amides with improved pharmacokinetic properties have been designed and synthesized as useful pharmacological tools for the study of the physiological roles mediated by mGlu1 receptors. The synthesis and the structure-activity relationship of this class of positive allosteric modulators of mGlu1 receptors will be discussed in detail. (C) 2009 Elsevier Ltd. All rights reserved.

  DOI：

  10.1016/j.bmcl.2009.01.108

文献信息

• [EN] PYRIMIDINE NUCLEOSIDES<br/>[FR] NUCLEOSIDES DE PYRIMIDINE
  申请人：F. HOFFMANN-LA ROCHE AG

  公开号：WO1997006178A1

  公开（公告）日：1997-02-20

  (EN) Pyrimidine nucleoside derivatives of formula (I), wherein R1 to R8 each individually represent hydrogen, halogen, cyano, lower alkyl, halo-lower alkyl, lower alkoxy, lower cycloalkyl or aryl; or R1 and R2 together or R2 and R3 together or R3 and R4 together represent a fused benzene ring; R9 represents hydrogen or lower alkyl; R10 represents hydrogen, lower alkyl, lower alkenyl, lower alkynyl, aryl-lower alkyl, lower cycloalkyl-lower alkyl, acyl, 2-pyrrolidinylcarbonyl or a group of the formula -C(O)-CH(R12)-NH2; R11 represents halogen, lower alkyl, halo-lower alkyl or lower cycloalkyl; R12 represents hydrogen, lower alkyl, aryl-lower alkyl, lower alkylthio-lower alkyl, amino-lower alkyl or (4-imidazolyl)-lower alkyl; W represents CH2, C(O) or C(S); X represents CH2 or O; Y represents hydrogen, fluorine or hydroxy; Z represents C(R13)(R14), O, S, SO, SO2, Si(R15)(R16) or N(R17); R13 and R14 each represent hydrogen, lower alkyl, halo-lower alkyl, aryl or aryl-lower alkyl or R13 and R14 together represent lower alkylene; R15 and R16 each represent lower alkyl; and R17 represents lower alkyl, and pharmaceutically acceptable salts of those compounds of formula (I) which are basic inhibit viral thymidine kinase and are useful as antiviral agents.(FR) La présente invention se rapporte à des dérivés de nucléosides de pyrimidine de formule (I), dans laquelle R1 à R8 représentent chacun individuellement hydrogène, halogène, cyano, alkyle inférieur, halo-alkyle inférieur, alkoxy inférieur, cycloalkyle inférieur ou aryle; ou R1 et R2 ensemble ou R2 et R3 ensemble ou R3 et R4 ensemble représentent un cycle condensé de benzène; R9 représente hydrogène ou alkyle inférieur; R10 représente hydrogène, alkyle inférieur, alkényle inférieur, alkynyle inférieur, aryle-alkyle inférieur, cycloalkyle inférieur-alkyle inférieur, acyle, 2-pyrrolidinylcarbonyle ou un groupe ayant pour formule -C(O)-CH(R12)-NH2; R11 représente halogène, alkyle inférieur, halo-alkyle inférieur ou cycloalkyle inférieur; R12 représente hydrogène, alkyle inférieur, aryle-alkyle inférieur, alkylthio inférieur-alkyle inférieur, amino-alkyle inférieur ou (4-imidazolyl)-alkyle inférieur; W représente CH2, C(O) ou C(S); X représente CH2 ou O; Y représente hydrogène, fluor ou hydroxy; Z représente C(R13)(R14), O, S, SO, SO2, Si(R15)(R16) ou N(R17); R13 et R14 représentent chacun hydrogène, alkyle inférieur, halo-alkyle inférieur, aryle ou aryle-alkyle inférieur ou R13 et R14 représentent ensemble alkylène inférieur; R15 et R16 représentent chacun alkyle inférieur; et R17 représente alkyle inférieur. Ces composés de formule (I) ainsi que leurs sels pharmaceutiquement acceptables, qui sont basiques, inhibent la thymidine kinase virale et sont utiles en tant qu'agents antiviraux.
• Fluorinated 9H-xanthene-9-carboxylic acid oxazol-2-yl-amides as potent, orally available mGlu1 receptor enhancers
  作者：Eric Vieira、Jörg Huwyler、Synèse Jolidon、Frédéric Knoflach、Vincent Mutel、Jürgen Wichmann

  DOI：10.1016/j.bmcl.2009.01.108

  日期：2009.3

  Small molecule mGluR1 enhancers, which are 9H-xanthene-9-carboxylic acid [ 1,2,4] oxadiazol-3-yl- and (2H-tetrazol-5-yl)-amides, have been previously reported. Fluorinated 9H-xanthene-9-carboxylic acid oxazol-2-yl-amides with improved pharmacokinetic properties have been designed and synthesized as useful pharmacological tools for the study of the physiological roles mediated by mGlu1 receptors. The synthesis and the structure-activity relationship of this class of positive allosteric modulators of mGlu1 receptors will be discussed in detail. (C) 2009 Elsevier Ltd. All rights reserved.