1-methoxy-3-nitro-4-vinylbenzene | 126759-34-0

• 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-methoxy-3-nitro-4-vinylbenzene
• 英文别名: 1-Ethenyl-4-methoxy-2-nitrobenzene
• CAS: 126759-34-0
• 化学式: C₉H₉NO₃
• 分子量: 179.175
• InChiKey: BQOCTOYUUWQYEK-UHFFFAOYSA-N

物化性质

• 沸点：
  319.1±30.0 °C(Predicted)
• 密度：
  1.184±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  2.5
• 重原子数：
  13
• 可旋转键数：
  2
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.11
• 拓扑面积：
  55
• 氢给体数：
  0
• 氢受体数：
  3

反应信息

• 作为反应物：
  描述：

  1-methoxy-3-nitro-4-vinylbenzene 在 palladium diacetate 一氧化碳 、 三苯基膦 作用下， 以 乙腈 为溶剂， 反应 21.0h， 以40%的产率得到6-甲氧基吲哚
  参考文献：
  名称：

  Palladium-Catalyzed Synthesis of Indoles by Reductive N-Heteroannulation of 2-Nitrostyrenes

  摘要：

  A palladium-phosphine catalyzed reductive N-heteroannulation of 2-nitrostyrenes, in the presence of carbon monoxide, producing indoles has been developed. Indoles were obtained, in moderate to excellent yield, from substituted 2-nitrostyrenes having either electron-withdrawing (NO2 and CO2Me) or electron-donating (Br, OH, Me, OMe, and OTf) substituents on the aromatic ring. Best results were obtained using palladium diacetate (6 mol %) together with triphenylphosphine (24 mol %) as the catalytic system, under 4 atm of carbon monoxide in acetonitrile at 70 degrees C. Other palladium(II) and palladium(0) complexes also catalyze the reaction.

  DOI：

  10.1021/jo970516+
• 作为产物：
  描述：

  4-溴-3-硝基苯甲醚 、 三丁基乙烯基锡 在 bis(dibenzylideneacetone)-palladium⁽⁰⁾ 三苯基膦 作用下， 以 甲苯 为溶剂， 反应 24.0h， 以96%的产率得到1-methoxy-3-nitro-4-vinylbenzene
  参考文献：
  名称：

  Palladium-Catalyzed Synthesis of Indoles by Reductive N-Heteroannulation of 2-Nitrostyrenes

  摘要：

  A palladium-phosphine catalyzed reductive N-heteroannulation of 2-nitrostyrenes, in the presence of carbon monoxide, producing indoles has been developed. Indoles were obtained, in moderate to excellent yield, from substituted 2-nitrostyrenes having either electron-withdrawing (NO2 and CO2Me) or electron-donating (Br, OH, Me, OMe, and OTf) substituents on the aromatic ring. Best results were obtained using palladium diacetate (6 mol %) together with triphenylphosphine (24 mol %) as the catalytic system, under 4 atm of carbon monoxide in acetonitrile at 70 degrees C. Other palladium(II) and palladium(0) complexes also catalyze the reaction.

  DOI：

  10.1021/jo970516+

文献信息

• Exploring the nitro group reduction in low-solubility oligo-phenylenevinylene systems: Rapid synthesis of amino derivatives
  作者：Mauricio Acelas、Andrés Felipe Sierra、César A. Sierra

  DOI：10.1080/00397911.2020.1731828

  日期：2020.5.2

  successfully synthesized from their nitro-analogs in a rapid, simple, and highly efficient fashion employing a sodium sulfide/pyridine system as a reducing agent. In this research, classic and sustainable reduction methodologies including NH4HCO2/Zn and a choline chloride/tin (II) chloride deep eutectic solvent (DES) were also evaluated, showing degradation products, incomplete reactivity, and product

  摘要 以硫化钠/吡啶体系为还原剂，以硝基类似物快速、简单、高效地合成了小系列的氨基低聚亚苯基亚乙烯基（OPV）。在这项研究中，还评估了经典和可持续的还原方法，包括 NH4HCO2/Zn 和氯化胆碱/氯化锡 (II) 低共熔溶剂 (DES)，在所有情况下都显示出降解产物、不完全反应性和产物分离困难。直接的 Na2S/吡啶合成方案证明保持 OPV 主链的 EE 立体化学，该主链先前已通过 Mizoroki-Heck 交叉偶联反应组装。此外，还确定并讨论了光电特性，考虑在这些共轭系统中插入氨基作为未来构建可应用于超分子电子学、光收集和光催化的新型材料的贡献。图形概要
• Enabling CO Insertion into <i>o</i>-Nitrostyrenes beyond Reduction for Selective Access to Indolin-2-one and Dihydroquinolin-2-one Derivatives
  作者：Li Yang、Lijun Shi、Qi Xing、Kuo-Wei Huang、Chungu Xia、Fuwei Li

  DOI：10.1021/acscatal.8b02863

  日期：2018.11.2

  The transition metal-catalyzed reductive cyclization of o-nitrostyrene in the presence of carbon monoxide (CO) has been developed to be a general synthetic route to an indole skeleton, wherein CO was used as a reductant to deoxidize nitroarene into nitrosoarene and/or nitrene with CO2 release, but the selective insertion of CO into the heterocyclic product with higher atom economy has not yet been

  一氧化碳（CO）存在下过渡金属催化的邻硝基苯乙烯的还原环化反应已发展成为吲哚骨架的一般合成路线，其中CO被用作还原剂，将硝基芳烃还原为亚硝基芳烃和/或硝基苯。 CO 2释放出来，但尚未实现将CO选择性插入具有更高原子经济性的杂环产物中。在本文中，有效地实现了Pd通过CO催化的邻硝基苯乙烯的还原及其区域选择性插入，以生产合成上有用的五元和六元苯并稠合的内酰胺。详细研究表明，对吲哚或内酰胺的化学选择性对Pd 2+的抗衡阴离子的性质敏感。前体，而配体则通过不同的反应途径显着决定了羰基的区域选择性。使用PdCl 2 / PPh 3 / B（OH）3（条件A），首先引发烯烃加氢羧化，然后部分还原NO 2部分并环化反应，得到N-羟基吲哚啉-2-酮，将其进一步催化用CO还原得到最终产物吲哚-2-酮，产率高达95％。当反应在Pd（TFA）2 / BINAP / TsOH·H 2 O系统下进行（条件B）时，NO
• Selective Estrogen Receptor Modulator
  申请人：Hamaoka Shinichi

  公开号：US20120004315A1

  公开（公告）日：2012-01-05

  The present invention provides a compound represented by the following formula (I); [wherein T represents a single bond, a C1-C4 alkylene group which may have a substituent and the like; formula (I-1) represents a single bond or a double bond; A represents a single bond, a bivalent 5- to 14-membered heterocyclic group which may have a substituent and the like; Y represents a single bond and the like; Z represents a methylene group and the like; ring G represents a phenylene group and the like which may condense with a 5- to 6-membered ring and may have a heteroatom; R a and R b are the same as or different from each other and represent a hydrogen atom and the like; W represents a single bond and the like; R′ represents 1 to 4 independent hydrogen atoms and the like; and R″ represents 1 to 4 independent hydrogen atoms and the like] or a salt thereof, or a hydrate thereof.

  本发明提供一种由以下式（I）表示的化合物; [其中T表示单键，可能具有取代基的C1-C4烷基和类似物；式（I-1）表示单键或双键；A表示单键，可能具有取代基的双价5-至14-成员杂环基和类似物；Y表示单键和类似物；Z表示亚甲基基团和类似物；环G表示苯基团和类似物，可能与5-至6-成员环缩合并可能具有杂原子；Ra和Rb相同或不同，表示氢原子和类似物；W表示单键和类似物；R'表示1到4个独立的氢原子和类似物；R''表示1到4个独立的氢原子和类似物]或其盐或水合物。
• Selective estrogen receptor modulator
  申请人：Hamaoka Shinichi

  公开号：US20060116364A1

  公开（公告）日：2006-06-01

  The present invention provides a compound represented by the following formula [wherein T represents a single bond, a C1-C4 alkylene group which may have a substituent and the like; formula (I-1) represents a single bond or a double bond; A represents a single bond, a bivalent 5- to 14-membered heterocyclic group which may have a substituent and the like; Y represents a single bond and the like; Z represents a methylene group and the like; ring G represents a phenylene group and the like which may condense with a 5- to 6-membered ring and may have a heteroatom; R a and R b are the same as or different from each other and represent a hydrogen atom and the like; W represents a single bond and the like; R′ represents 1 to 4 independent hydrogen atoms and the like; and R″ represents 1 to 4 independent hydrogen atoms and the like] or a salt thereof, or a hydrate thereof

  本发明提供了一种化合物，其表示为以下式子[其中T表示单键，C1-C4的烷基，可能带有取代基等；式(I-1)表示单键或双键；A表示单键，二价的5-至14-成员杂环基团，可能带有取代基等；Y表示单键等；Z表示亚甲基等；环G表示苯基团等，可与5-至6-成员环缩合并且可能具有杂原子；Ra和Rb相同或不同，表示氢原子等；W表示单键等；R'表示1至4个独立的氢原子等；R"表示1至4个独立的氢原子等]或其盐，或其水合物。
• SELECTIVE ESTROGEN RECEPTOR MODULATOR
  申请人：Hamaoka Shinichi

  公开号：US20090325930A1

  公开（公告）日：2009-12-31

  The present invention provides a compound represented by the following formula (I); [wherein T represents a single bond, a C1-C4 alkylene group which may have a substituent and the like; (I-1) formula (I-1) represents a single bond or a double bond; A represents a single bond, a bivalent 5- to 14-membered heterocyclic group which may have a substituent and the like; Y represents a single bond and the like; Z represents a methylene group and the like; ring G represents a phenylene group and the like which may condense with a 5- to 6-membered ring and may have a heteroatom; R a and R b are the same as or different from each other and represent a hydrogen atom and the like; W represents a single bond and the like; R′ represents 1 to 4 independent hydrogen atoms and the like; and R″ represents 1 to 4 independent hydrogen atoms and the like] or a salt thereof, or a hydrate thereof.

  本发明提供了一种由以下式（I）表示的化合物；[其中，T表示单键，C1-C4烷基，可以有取代基等；（I-1）式（I-1）表示单键或双键；A表示单键，双价的5-至14-成员杂环基，可以有取代基等；Y表示单键等；Z表示亚甲基等；环G表示苯基等，可以与5-至6-成员环缩合，可以有杂原子；Ra和Rb相同或不同，表示氢原子等；W表示单键等；R′表示1至4个独立的氢原子等；R″表示1至4个独立的氢原子等]或其盐，或其水合物。