| 1403763-90-5

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯和取代衍生物
• CAS: 1403763-90-5
• 化学式: C₉H₇O₃*Na
• 分子量: 186.143
• InChiKey: OXDAFBUHKGCTMU-UHFFFAOYSA-M

计算性质

• 辛醇/水分配系数(LogP)：
  -1.98
• 重原子数：
  13.0
• 可旋转键数：
  2.0
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  60.36
• 氢给体数：
  1.0
• 氢受体数：
  3.0

反应信息

• 作为反应物：
  描述：

  在 potassium carbonate 、 一水合肼 、 溶剂黄146 作用下， 以 乙醇 、 N,N-二甲基甲酰胺 为溶剂， 反应 15.0h， 生成 methyl benzo[f]pyrazolo[1,5-d]pyrido[3,2-b][1,4]oxazepine-10-carboxylate
  参考文献：
  名称：

  New tetracyclic 1,4-oxazepines constructed via practically simple tandem condensation strategy from readily available synthons

  摘要：

  A streamlined synthetic methodology towards novel tetracyclic 1,4-oxazepines from readily available precursors is described. The compounds, designed as more soluble version of the earlier described, poorly soluble dibenzo[bf][1,4]oxazepines, were obtained in high yields and as a single regioisomer as a result of three tandem chemical events-nucleophilic aromatic substitution, Smiles rearrangement and denitrocyclization. (C) 2014 Elsevier Ltd. All rights reserved.

  DOI：

  10.1016/j.tet.2013.12.026
• 作为产物：
  描述：

  2'-羟基苯乙酮 、 甲酸乙酯 在 sodium 作用下， 以 neat (no solvent) 为溶剂， 反应 2.0h， 生成
  参考文献：
  名称：

  New tetracyclic 1,4-oxazepines constructed via practically simple tandem condensation strategy from readily available synthons

  摘要：

  A streamlined synthetic methodology towards novel tetracyclic 1,4-oxazepines from readily available precursors is described. The compounds, designed as more soluble version of the earlier described, poorly soluble dibenzo[bf][1,4]oxazepines, were obtained in high yields and as a single regioisomer as a result of three tandem chemical events-nucleophilic aromatic substitution, Smiles rearrangement and denitrocyclization. (C) 2014 Elsevier Ltd. All rights reserved.

  DOI：

  10.1016/j.tet.2013.12.026

文献信息

• Deuterium Isotope Effects on 13C Chemical Shifts of Enaminones.
  作者：Donka Kh. Zheglova、Daniel G. Genov、Simon Bolvig、Poul Erik Hansen、M. Hanfland、E. Dooryhee

  DOI：10.3891/acta.chem.scand.51-1016

  日期：——

  Deuterium isotope effects on C-13 chemical shifts have been studied in a series of substituted N-alkyl and N-phenyl keto-enamines. The intramolecularly hydrogen bonded Z-forms show the largest two-bond isotope effects, (2) Delta C-1(ND). Methyl-substitution al C-l leads to a larger two-bond isotope effect in the N-phenyl-substituted derivatives. This effect is ascribed to steric compression. Space-filling substituents at the ortho-position of the N-phenyl ring lead to a decrease of the two-bond isotope effect. A correlation is found between (2) Delta C-1(ND) and (3) Delta C-2'(ND). The latter becomes negative in the sterically hindered cases. (3) Delta C-2'(ND) may therefore be used as a gauge of the twist of the phenyl ring.o-Hydroxy substitution of the CO-phenyl rings enables intramolecular hydrogen bonding to the carbonyl group. This kind of hydrogen bond with two donors to one acceptor leads to smaller (2) Delta C-2(ND) and (2) Delta C-2 ''(OD) isotope effects equivalent to weaker hydrogen bonds for the Z-isomer. This is ascribed to competition for the acceptor. For the E-isomer (2) Delta C(OD) is enhanced. The same feature is seen for N,N-dimethylamino enamines. This increase is ascribed to delocalization of the nitrogen lone-pair onto the carbonyl oxygen, thereby strengthening the hydrogen bond and thus leading to larger two-bond, (2) Delta C(OD), isotope effects.
• Dibenzo[b,f]pyrazolo[1,5-d][1,4]oxazepines: Facile Construction of a Rare Heterocyclic System via Tandem Aromatic Nucleophilic Substitution-Smiles Rearrangement-Denitrocyclization
  作者：Mikhail Krasavin、Alexander Sapegin、Stanislav Kalinin、Alexey Smirnov、Mikhail Dorogov

  DOI：10.1055/s-0031-1289789

  日期：2012.8

  Condensation of 2-(1H-pyrazol-5-yl)phenols with 1-chloro-2-nitrobenzenes under basic conditions in N,N-dimethylformamide results in a tandem, atom-economical, aromatic nucleophilic substitution-Smiles rearrangement-denitrocyclization process to provide pyrazolo-fused dibenzo[b,f][1,4]oxazepines as a single regioisomer.