8-methoxy-2-phenylnaphthalene-1,4-dione | 1192354-83-8

• 分子结构分类: 有机化合物 - 苯类化合物 - 萘
• 英文名称: 8-methoxy-2-phenylnaphthalene-1,4-dione
• 英文别名: 8-methoxy-2-phenyl-1,4-naphthoquinone；8-Methoxy-2-phenylnaphthalene-1,4-dione
• CAS: 1192354-83-8
• 化学式: C₁₇H₁₂O₃
• 分子量: 264.28
• InChiKey: QWUOHBQSAQCMIH-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.1
• 重原子数：
  20
• 可旋转键数：
  2
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.06
• 拓扑面积：
  43.4
• 氢给体数：
  0
• 氢受体数：
  3

反应信息

• 作为产物：
  描述：

  8-甲氧基-1,4-萘醌 、 苯硼酸 在 copper(II) tetrafluroborate hexahydrate 、 1,2-双(二苯基膦基)苯 、 palladium(II) acetylacetonate 、 iron(III) chloride 作用下， 以 1,4-二氧六环 、 水 、 二氯甲烷 为溶剂， 反应 19.0h， 以90%的产率得到8-methoxy-2-phenylnaphthalene-1,4-dione
  参考文献：
  名称：

  Arylation of Benzo-Fused 1,4-Quinones by the Addition of Boronic Acids under Dicationic Pd(II)-Catalysis

  摘要：

  The first examples of the direct arylation of benzo-fused 1,4-quinones by the dicationic Pd(II)-catalyzed addition of arylboronic acids are reported. The addition reaction is carried out under very mild conditions (dioxane-H2O, rt, open air atmosphere) and is tolerant of free OH groups. In addition, the reaction shows high regioselectivity, when using nonsymmetrical quinones as starting materials.

  DOI：

  10.1021/ol902084g

文献信息

• Bisketene Equivalents as Diels–Alder Dienes
  作者：Isuru Dissanayake、Jacob D. Hart、Emma C. Becroft、Christopher J. Sumby、Christopher G. Newton

  DOI：10.1021/jacs.0c06306

  日期：2020.8.5

  5-Bis(tert-butyldimethylsilyloxy)furans are established as vicinal bisketene equivalents for application as dienes in the Diels-Alder reaction. Cycloaddition with olefinic dienophiles, under exceptionally mild conditions, enables convergent access to highly substituted para-hydroquinones in unprotected form via a one-pot Diels-Alder/ring-opening/tautomerization sequence. The synthesis of para-benzoquinones from

  2,5-双（叔丁基二甲基甲硅烷氧基）呋喃被确定为邻位双烯酮等价物，用于在 Diels-Alder 反应中用作二烯。在非常温和的条件下，与烯烃亲二烯体的环加成能够通过一锅 Diels-Alder/开环/互变异构化序列以未保护的形式聚合获得高度取代的对氢醌。还展示了从乙炔亲二烯体（包括苄）合成对苯醌，并且将 2,5-双（叔丁基二甲基甲硅烷氧基）吡咯确定为合成对亚氨基醌的有效二烯。在天然产物合成中的应用能够实现克级规模的神经保护剂 (±)-indanostatin。
• Arylation of Benzo-Fused 1,4-Quinones by the Addition of Boronic Acids under Dicationic Pd(II)-Catalysis
  作者：María Teresa Molina、Cristina Navarro、Ana Moreno、Aurelio G. Csákÿ

  DOI：10.1021/ol902084g

  日期：2009.11.5

  The first examples of the direct arylation of benzo-fused 1,4-quinones by the dicationic Pd(II)-catalyzed addition of arylboronic acids are reported. The addition reaction is carried out under very mild conditions (dioxane-H2O, rt, open air atmosphere) and is tolerant of free OH groups. In addition, the reaction shows high regioselectivity, when using nonsymmetrical quinones as starting materials.