2-(2-nitro-phenyl)-2,3-dihydro-1H-naphth[1,2-e][1,3]oxazine | 6638-19-3

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 苯并恶嗪类
• 英文名称: 2-(2-nitro-phenyl)-2,3-dihydro-1H-naphth[1,2-e][1,3]oxazine
• 英文别名: 2-(2-Nitro-phenyl)-2,3-dihydro-1H-naphth[1,2-e][1,3]oxazin；2-(2-Nitrophenyl)-2,3-dihydro-1h-naphtho[1,2-e][1,3]oxazine；2-(2-nitrophenyl)-1,3-dihydrobenzo[f][1,3]benzoxazine
• CAS: 6638-19-3
• 化学式: C₁₈H₁₄N₂O₃
• 分子量: 306.321
• InChiKey: YKYNBPFPKVCTRR-UHFFFAOYSA-N

物化性质

• 熔点：
  110-112 °C
• 沸点：
  522.6±50.0 °C(Predicted)
• 密度：
  1.340±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  4.5
• 重原子数：
  23
• 可旋转键数：
  1
• 环数：
  4.0
• sp3杂化的碳原子比例：
  0.11
• 拓扑面积：
  58.3
• 氢给体数：
  0
• 氢受体数：
  4

反应信息

• 作为产物：
  描述：

  聚合甲醛 、 2-硝基苯胺 、 2-萘酚 在 四丁基溴化铵 作用下， 以 水 为溶剂， 反应 6.0h， 以91%的产率得到2-(2-nitro-phenyl)-2,3-dihydro-1H-naphth[1,2-e][1,3]oxazine
  参考文献：
  名称：

  An Efficient One-Pot Strategies for the Synthesis of [1,3] Oxazine Derivatives

  摘要：

  수용액속에서$NaHSO_4$，TBAB（相转移催化剂）、离子液体（1-丁基-3-甲基咪唑硫酸氢[bmim]$HSO_4$）、福尔马林、${\beta}$-萘酚、2,3- 二氢-2-苯基-1Hnaphtho-[1,2-e] [1,3] oxazine 유도체를 합성할 수 있는 보다 친환경적이고, 수율이 좋고, 크로마토그래피 분리 방법을 사용하지 않는 합성 방법을 개발하였다. 硫酸氢钠（$NaHSO_4$）、作为水中相转移催化剂（PTC）的正丁基溴化铵（TBAB）和作为离子液体（IL）的 1-丁基-3-甲基咪唑硫酸氢盐 [bmim]$HSO_4$ 被用作福尔马林环缩合的温和反应促进剂、${\beta}$-萘酚和芳香胺可分别生成 2,3-二氢-2-苯基-1H-萘并[1,2-e] [1,3] 恶嗪衍生物。本方案更环保、产率高，并采用了非色谱分离程序。

  DOI：

  10.5012/jkcs.2010.54.4.437

文献信息

• An efficient and green method for the synthesis of [1,3]oxazine derivatives catalyzed by thiamine hydrochloride (VB1) in water
  作者：Valmik D. Dhakane、Somnath S. Gholap、Umesh P. Deshmukh、Hemant V. Chavan、Babasaheb P. Bandgar

  DOI：10.1016/j.crci.2013.06.002

  日期：2014.5

  Résumé An efficient and convenient synthesis of 1,3-oxazine derivatives has been achieved by the one-pot, multicomponent condensation of α- or β-naphthol, an aniline and formaldehyde using thiamine hydrochloride (VB1) as a versatile biodegradable and reusable catalyst in water as a universal solvent.

  摘要 使用盐酸硫胺素 (VB1) 作为通用的可生物降解和可重复使用的催化剂，通过 α- 或 β-萘酚、苯胺和甲醛的一锅多组分缩合，实现了 1,3-恶嗪衍生物的高效、便捷合成。水作为通用溶剂。
• Ultrasound-Assisted One-Pot Synthesis of 1,3-Oxazine Derivatives Catalysed by BF₃–SiO₂ Under Neat Conditions
  作者：Mudumala Veeranarayana Reddy、Kwon Taek Lim、Jong Tae Kim、Yeon Tae Jeong

  DOI：10.3184/174751912x13371662613770

  日期：2012.7

  An efficient and environment-friendly method for the synthesis of 1,3-oxazine derivatives has been developed using the ultrasound-mediated condensation of 2-naphthol with formaldehyde and primary amines under solvent-free condition at room temperature in the presence of BF₃-SiO₂ to give the desired product in good to excellent yield. This procedure provides several advantages over current methods including a simple work-up, cost effectiveness, a reusable catalyst and shorter reaction times.

  在 BF3-SiO2 存在下，在室温无溶剂条件下，利用超声波介导 2-萘酚与甲醛和伯胺的缩合，开发出了一种高效、环保的 1,3- 恶嗪衍生物合成方法，并以良好甚至极佳的收率得到了所需产物。与目前的方法相比，该方法具有多个优点，包括操作简单、成本效益高、催化剂可重复使用以及反应时间更短。
• Polyethylene glycol (PEG) mediated expeditious synthetic route to 1,3-oxazine derivatives
  作者：Pravin V. Shinde、Amol H. Kategaonkar、Bapurao B. Shingate、Murlidhar S. Shingare

  DOI：10.1016/j.cclet.2011.01.011

  日期：2011.8

  Various 1,3-oxazine derivatives were synthesized in high yields, within shorter reaction times using PEG-400 as a safer medium/mediator. This synthetic route is exceedingly easy and avoids the use of acid/base catalysts. (C) 2011 Murlidhar S. Shingare. Published by Elsevier B.V. on behalf of Chinese Chemical Society. All rights reserved.
• An Efficient One-Pot Strategies for the Synthesis of [1,3] Oxazine Derivatives
  作者：Sapkal, Suryakant B.、Shelke, Kiran F.、Shingate, Bapurao B.、Shingare, Murlidhar S.

  DOI：10.5012/jkcs.2010.54.4.437

  日期：2010.8.20

  수용액 속에서 $NaHSO_4$, TBAB (phase transfer catalyst), ionic liquid (IL) (1-butyl-3-methyl imidazolium hydrogen sulphate [bmim]$HSO_4$)를 사용하여, formalin, $\beta}$-naphthol, aromatic amines을 반응시켜서 대응하는 2,3-dihydro-2-phenyl-1Hnaphtho-[1,2-e] [1,3] oxazine 유도체를 합성할 수 있는 보다 친환경적이고, 수율이 좋고, 크로마토그래피 분리 방법을 사용하지 않는 합성 방법을 개발하였다. Sodium hydrogen sulphate ($NaHSO_4$), n-tetra butyl ammonium bromide (TBAB) as a phase transfer catalyst (PTC) in water, and 1-butyl-3-methyl imidazolium hydrogen sulphate [bmim]$HSO_4$ as ionic liquid (IL) has been used as a mild reaction promoter for the cyclocondensation of formalin, $\beta}$-naphthol and aromatic amines to afford respective 2,3-dihydro-2-phenyl-1H-naphtho-[1,2-e] [1,3] oxazine derivatives. The present protocols are greener, high yielding and involved the nonchromatographic isolation procedure.

  수용액속에서$NaHSO_4$，TBAB（相转移催化剂）、离子液体（1-丁基-3-甲基咪唑硫酸氢[bmim]$HSO_4$）、福尔马林、$\beta}$-萘酚、2,3- 二氢-2-苯基-1Hnaphtho-[1,2-e] [1,3] oxazine 유도체를 합성할 수 있는 보다 친환경적이고, 수율이 좋고, 크로마토그래피 분리 방법을 사용하지 않는 합성 방법을 개발하였다. 硫酸氢钠（$NaHSO_4$）、作为水中相转移催化剂（PTC）的正丁基溴化铵（TBAB）和作为离子液体（IL）的 1-丁基-3-甲基咪唑硫酸氢盐 [bmim]$HSO_4$ 被用作福尔马林环缩合的温和反应促进剂、$\beta}$-萘酚和芳香胺可分别生成 2,3-二氢-2-苯基-1H-萘并[1,2-e] [1,3] 恶嗪衍生物。本方案更环保、产率高，并采用了非色谱分离程序。