2-methyl-3,4-dihydrochmarine | 54075-07-9

• 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: 2-methyl-3,4-dihydrochmarine
• 英文别名: 2-Methyl-4H-chromen；2-methyl-4H-chromene；Methyl 4h chromen
• CAS: 54075-07-9
• 化学式: C₁₀H₁₀O
• 分子量: 146.189
• InChiKey: JBTARXYMIAGRIE-UHFFFAOYSA-N

物化性质

• 沸点：
  95-97 °C(Press: 16 Torr)
• 密度：
  1.054±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  2.7
• 重原子数：
  11
• 可旋转键数：
  0
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.2
• 拓扑面积：
  9.2
• 氢给体数：
  0
• 氢受体数：
  1

反应信息

• 作为反应物：
  描述：

  2-methyl-3,4-dihydrochmarine 在 溶剂黄146 、 铂 作用下， 生成 2H-1-苯并吡喃,3,4-二氢-2-甲基-
  参考文献：
  名称：

  144.邻羟基苄基丙酮的一些反应

  摘要：

  DOI：

  10.1039/jr9350000646
• 作为产物：
  描述：

  (E)-4-(2-hydroxyphenyl)but-3-en-2-one 在 甲醇 、 乙醚 、 钯 、 sodium sulfate 作用下， 生成 2-methyl-3,4-dihydrochmarine
  参考文献：
  名称：

  144.邻羟基苄基丙酮的一些反应

  摘要：

  DOI：

  10.1039/jr9350000646

文献信息

• HETEROCYCLIC ANTIVIRAL COMPOUNDS
  申请人：Chin Elbert

  公开号：US20100297073A1

  公开（公告）日：2010-11-25

  Compounds having the formula I wherein wherein R 1 , R 2 , R 3b , R 4a , R 4b , R 4c and as defined herein are Hepatitis C virus NS5b polymerase inhibitors. Also disclosed are compositions and methods for treating an HCV infection and inhibiting HCV replication.

  具有公式I的化合物，其中R1、R2、R3b、R4a、R4b、R4c如本文所述定义，是丙型肝炎病毒NS5b聚合酶抑制剂。同时公开了用于治疗HCV感染和抑制HCV复制的组合物和方法。
• Enantioselective Synthesis of Chromanes by Iridium-Catalyzed Asymmetric Hydrogenation of 4<i>H</i>-Chromenes
  作者：Andreas Pfaltz、Carine Valla、Alejandro Baeza、Frederik Menges

  DOI：10.1055/s-0028-1087359

  日期：——

  Iridium complexes of chiral oxazoline-based P,N-ligands provedto be efficient catalysts for the enantioselective hydrogenationof 2-aryl- and 2-alkyl-4 H-chromenes.The best results were obtained with a ligand derived from threonine(ThrePHOX), which induced ee values of 95% to >99% inthe hydrogenation of 2-methyl-, 2-cyclohexyl- and various 2-aryl-substitutedchromenes.

  手性恶唑啉基P,N-配体的铱配合物被证明是2-芳基-和2-烷基-4 H-色烯对映选择性加氢的有效催化剂。使用苏氨酸衍生的配体(ThrePHOX)获得了最好的结果。在 2-甲基-、2-环己基-和各种 2-芳基-取代的色烯的氢化中诱导 ee 值达到 95% 至 >99%。
• PROCESS FOR PREPARING AMIC ACID ESTERS
  申请人：——

  公开号：US20030032667A1

  公开（公告）日：2003-02-13

  The present invention aims at providing a process for producing an amic acid ester useful as an intermediate for agrochemical, easily at a low cost industrially. The present invention provides a process for producing an amic acid ester represented by the following general formula (7): 1 (wherein A is a substituted or unsubstituted lower alkylene group or the like; R 1 is a substituted or unsubstituted lower alkyl group or the like; and R 3 is a hydrogen atom or a lower alkyl group), which process comprises reacting, in the presence of water, an amino acid represented by the following general formula (1): 2 (wherein A has the same definition as given above) with a halogenated carbonic acid ester represented by the following general formula (2): 3 (wherein R 1 has the same definition as given above and X is a halogen atom) to form an amide compound represented by the following general formula (3): 4 (wherein A and R 1 have the same definitions as given above), then reacting the amide compound with a halogenated carbonic acid ester represented by the following general formula (4): 5 (wherein R 2 is a substituted or unsubstituted lower alkyl group or the like; and X is a halogen atom) to form, in the system, a mixed acid anhydride represented by the following general formula (5): 6 (wherein A, R 1 and R 2 have the same definitions as given above), and reacting the mixed acid anhydride with an amine compound represented by the following general formula (6): 7 (wherein R 3 has the same definition as given above and Het is a substituted or unsubstituted heterocyclic group).

  本发明旨在提供一种用于农药中间体的制备的amic酸酯的工艺，该工艺在工业上易于低成本实现。本发明提供一种制备由下列通式（7）表示的amic酸酯的工艺：1（其中A是取代或未取代的较低烷基等；R1是取代或未取代的较低烷基等；R3是氢原子或较低烷基等），该工艺包括在水的存在下，将由下列通式（1）表示的氨基酸：2（其中A具有如上定义）与由下列通式（2）表示的卤代碳酸酯：3（其中R1具有如上定义，X是卤素原子）反应，形成由下列通式（3）表示的酰胺化合物：4（其中A和R1具有如上定义），然后将酰胺化合物与由下列通式（4）表示的卤代碳酸酯：5（其中R2是取代或未取代的较低烷基等；X是卤素原子）在体系中反应，形成由下列通式（5）表示的混合酸酐：6（其中A、R1和R2具有如上定义），并将混合酸酐与由下列通式（6）表示的胺化合物：7（其中R3具有如上定义，Het是取代或未取代的杂环基）反应。
• Derivatives of 4-piperazin-1-yl-4-benzo[b]thiophene suitable for the treatment of cns disorders
  申请人：Yamashita Hiroshi

  公开号：US20090264404A1

  公开（公告）日：2009-10-22

  A heterocyclic compound or a salt thereof represented by the formula (1): where R 2 represents a hydrogen atom or a lower alkyl group; A represents a lower alkylene group or lower alkenylene group; and R 1 represents an aromatic group or a heterocyclic group. The compound of the present invention has a wide treatment spectrum for mental disorders including central nervous system disorders, no side effects and high safety.

  一种杂环化合物或其盐，其化学式为（1）：其中R2代表氢原子或较低的烷基基团；A代表较低的烷基烯基基团；R1代表芳香族基团或杂环基团。本发明的化合物具有广泛的治疗精神障碍的谱，包括中枢神经系统障碍，无副作用且安全性高。
• DERIVATIVES OF 4-PIPERAZIN-1-YL-4-BENZO[B]THIOPHENE SUITABLE FOR THE TREATMENT OF CNS DISORDERS
  申请人：YAMASHITA Hiroshi

  公开号：US20120028920A1

  公开（公告）日：2012-02-02

  A heterocyclic compound or a salt thereof represented by the formula (1): where R 2 represents a hydrogen atom or a lower alkyl group; A represents a lower alkylene group or lower alkenylene group; and R 1 represents an aromatic group or a heterocyclic group. The compound of the present invention has a wide treatment spectrum for mental disorders including central nervous system disorders, no side effects and high safety.

  一种由式（1）所表示的杂环化合物或其盐：其中R2代表氢原子或较低的烷基基团；A代表较低的烷基烯基基团；R1代表芳香基团或杂环基团。本发明的化合物具有广泛的治疗精神障碍的光谱，包括中枢神经系统障碍，无副作用且安全性高。