N-(4-bromophenyl)-N-2,3,3a,9a-tetranydro-4H-furo[2,3-b]chromen-4-ylamine

• 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: N-(4-bromophenyl)-N-2,3,3a,9a-tetranydro-4H-furo[2,3-b]chromen-4-ylamine
• 英文别名: (4-bromophenyl)2,3,3a,9a-tetrahydro-4H-furo[2,3-b]chromen-4-ylamine；(3aR,4S,9aS)-N-(4-bromophenyl)-3,3a,4,9a-tetrahydro-2H-furo[2,3-b]chromen-4-amine
• 化学式: C₁₇H₁₆BrNO₂
• 分子量: 346.224
• InChiKey: VKJGYLXFFRPKNB-OIISXLGYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  4.3
• 重原子数：
  21
• 可旋转键数：
  2
• 环数：
  4.0
• sp3杂化的碳原子比例：
  0.29
• 拓扑面积：
  30.5
• 氢给体数：
  1
• 氢受体数：
  3

反应信息

• 作为产物：
  描述：

  2,3-二氢呋喃 、 邻甲基苄醇 、 4-溴苯胺 在 bismuth(lll) trifluoromethanesulfonate [bmim]PF₆ 作用下， 反应 2.5h， 以88%的产率得到N-(4-bromophenyl)-N-2,3,3a,9a-tetranydro-4H-furo[2,3-b]chromen-4-ylamine
  参考文献：
  名称：

  Bi(OTf)3-[Bmim]PF6：一种用于非对映选择性合成顺式稠合吡喃并呋喃苯并吡喃的新型可回收催化体系

  摘要：

  在空气和水分稳定的离子液体 [bmim] 中，在 Bi(OTf) 3 存在下，从邻羟基苯甲醛、芳香胺和环烯醇醚开发了顺式稠合吡喃和呋喃苯并吡喃的立体选择性一锅法合成PF 6 在温和条件下。回收的含有 Bi(OTf) 3 的离子液体可以重复使用三到五次，而活性只会逐渐降低。[bmim]PF 6 的疏水性质促进了催化剂的回收。

  DOI：

  10.1246/cl.2004.1436

文献信息

• Catalytic Asymmetric Inverse-Electron-Demand (IED) [4+2] Cycloaddition of Salicylaldimines: Preparation of Optically Active 4-Aminobenzopyran Derivatives
  作者：Luca Bernardi、Mauro Comes-Franchini、Mariafrancesca Fochi、Virginia Leo、Andrea Mazzanti、Alfredo Ricci

  DOI：10.1002/adsc.201000608

  日期：2010.12.17

  The catalytic asymmetric inverse-electron-demand (IED) [4+2] cycloaddition of various salicylaldehyde-derived N-arylimines with electron-rich alkenes in the presence of chiral BINOL-derived phosphoric acid catalysts has been studied with the aim of obtaining optically active 4-aminobenzopyran derivatives. Dienophiles such as 2,3-dihydro-2H-furan, benzyl N-vinylcarbamate and 2-vinylindole have been

  研究了手性BINOL衍生的磷酸催化剂存在下，各种水杨醛衍生的N-芳基胺与富电子烯烃的催化不对称逆电子需求（IED）[4 + 2]环加成反应，目的是通过光学手段获得活性4-氨基苯并吡喃衍生物。亲二烯体如2,3-二氢-2 ħ -呋喃，苄基Ñ -vinylcarbamate和2-哚已经采用。
• Brønsted acids of anionic chiral Co(<scp>iii</scp>) complexes as catalysts for the stereoselective synthesis of cis-4-aminofuranobenzopyrans
  作者：Hua-Jie Jiang、Kun Liu、Jing Wang、Na Li、Jie Yu

  DOI：10.1039/c7ob02452e

  日期：——

  A highly enantioselective interrupted Povarov reaction of salicylaldimines and 2,3-dihydrofuran was developed, through the elegant Brønsted acid catalysis of anionic chiral Co(III) complexes. This reaction affords the cis-4-aminofuranobenzopyran derivatives with up to 95% yield, >20:1 dr and 96:4 er. Moreover, a one-pot three-component procedure of salicylaldehydes, anilines, and 2,3-dihydrofuran proves

  通过优雅的布朗斯台德酸催化阴离子手性Co（III）配合物，开发了水杨醛亚胺和2,3-二氢呋喃的高度对映选择性中断Povarov反应。该反应以高达95％的产率，> 20：1 dr和96：4 er提供了顺式-4-氨基呋喃并苯并吡喃衍生物。而且，水杨醛，苯胺和2，3-二氢呋喃的一锅三组分法被证明是成功的，具有更高的反应效率。
• Inverse Electron Demand Diels-Alder Reactions of Heterodienes Catalyzed by Potassium Hydrogen Sulfate: Diastereoselective, One-Pot Synthesis of Pyranobenzopyrans, Furanobenzopyrans and Tetrahydroquinolines Derivatives
  作者：Paramasivan T. Perumal、R. Senthil Kumar、Rajagopal Nagarajan

  DOI：10.1055/s-2004-822332

  日期：——

  Potassium hydrogen sulfate catalyzes the one-pot three components coupling of aldehydes, anilines, and electron rich dienophiles such as dihydropyran, dihydrofuran, ethyl vinylether, and cyclopentadiene. With o-hydroxybenzaldehyde, the reaction probably proceeds through the formation of o-quinonemethide intermediate, which subsequently undergoes cycloaddition with cyclic and acyclic enol ethers leading

  硫酸氢钾催化醛、苯胺和富电子双烯体如二氢吡喃、二氢呋喃、乙基乙烯基醚和环戊二烯的一锅三组分偶联。对于邻羟基苯甲醛，反应可能通过形成邻醌甲基化物中间体进行，该中间体随后与环状和非环状烯醇醚进行环加成反应，形成相应的色烷。然而，在没有邻羟基的苯甲醛的情况下，形成的亚胺充当杂二烯并导致形成四氢喹啉。
• Diastereoselective synthesis of cis -fused pyrano and furanobenzopyrans catalyzed by indium trichloride or triphenyl phosphonium perchlorate
  作者：Marimuthu Anniyappan、D Muralidharan、Paramasivan T Perumal

  DOI：10.1016/s0040-4020(02)01412-6

  日期：2002.12

  Indium trichloride (InCl3) and triphenyl phosphonium perchlorate (TPP) are found to be effective catalysts for the cyclization of o-hydroxyaldimines with 3,4-dihydro-2H-pyran and 2,3-dihydrofuran at ambient temperature to afford novel pyrano and furanobenzopyran derivatives in excellent yields with high diastereoselectivity. One pot syntheses of pyrano and furanobenzopyrans from o-hydroxy-benzaldehyde, aromatic amines and an enol ether under identical conditions is reported for the first time. Similarly, o-hydroxyaldimine reacted with ethyl vinyl ether to give 2-ethoxy-4-N-aryl aminobenzopyran in good yields. (C) 2002 Published by Elsevier Science Ltd.