6-methoxy-2-(1,1,2,2-tetrafluoroethyl)chromone

• 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: 6-methoxy-2-(1,1,2,2-tetrafluoroethyl)chromone
• 英文别名: 6-methoxy-2-(1,1,2,2-tetrafluoroethyl)-4H-chromen-4-one；6-methoxy-2-(1,1,2,2-tetrafluoroethyl)chromen-4-one
• 化学式: C₁₂H₈F₄O₃
• 分子量: 276.187
• InChiKey: KTSWOQXNXPFGIJ-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.8
• 重原子数：
  19
• 可旋转键数：
  3
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.25
• 拓扑面积：
  35.5
• 氢给体数：
  0
• 氢受体数：
  7

反应信息

• 作为反应物：
  描述：

  6-methoxy-2-(1,1,2,2-tetrafluoroethyl)chromone 在 一水合肼 作用下， 以 乙醇 为溶剂， 反应 0.08h， 以54%的产率得到4-Methoxy-2-[5-(1,1,2,2-tetrafluoro-ethyl)-1H-pyrazol-3-yl]-phenol
  参考文献：
  名称：

  摘要：

  The reaction of 2-hydroxy-2-polyfluoroalkylchroman-4-ones with hydrazine affords 5-hydroxy-3-(2-hydroxyaryl)-5-polyfluoroalkyl-Delta(2)-pyrazolines, whereas 2-polyfluoroalkylchromones under similar conditions produce 3(5)-(2-hydroxyaryl)-5(3)-polyfluoroalkylpyrazoles. 5 - (2-Hydroxyaryl)-1-methyl-3-polyfluoroalkylpyrazoles were synthesized in the reaction with methylhydrazine, and the reaction with phenylhydrazine afforded regioisomeric 3(5)-(2-hydroxyphenyl)-1-phenyl-5(3)-polyfluoroalkylpyrazoles.

  DOI：

  10.1023/a:1020960815497

文献信息

• Reactions of 2-polyfluoroalkylchromones with aliphatic diamines
  作者：V. Ya. Sosnovskikh、V. A. Kutsenko

  DOI：10.1007/bf02496279

  日期：1999.4

  Abstract2-Polyfluoroalkylchromones react with aliphatic 1,2-diamines to give 2,3-dihydro-1H-1,4-diazepines. A similar reaction with 1,3-diaminopropane yieldsN,N′-trimethylenebis(2-hydroxyacetophenomines) as a result of scission of the original chromones.

  摘要 2-多氟烷基色酮与脂肪族 1,2-二胺反应生​​成 2,3-二氢-1H-1,4-二氮杂。由于原始色酮的断裂，与 1,3-二氨基丙烷的类似反应产生 N,N'-三亚甲基双（2-羟基苯乙胺）。
• A Simple One-Pot Synthesis of 2,6-Disubstituted 4-(Polyfluoroalkyl)pyridines and -pyrimidines by Reaction of 2-Polyfluoroalkylchromones with Aromatic Methyl Ketimines and Amidines
  作者：Vyacheslav Ya. Sosnovskikh、Boris I. Usachev、Aleksei Yu. Sizov、Mikhail A. Barabanov

  DOI：10.1055/s-2004-822321

  日期：——

  The reaction of 2-polyfluoroalkylchromones with ketimines, derived from aromatic methyl ketones and isopropyl­amine, gives 2,6-diaryl-4-polyfluoroalkylpyridines in moderate to low yields. Benzamidine and guanidine also react with 2-polyfluoroalkylchromones to afford the corresponding 2,6-disubstituted 4-polyfluoroalkylpyrimidines.

  2-聚氟烷基铬酮与源自芳香性甲基酮和异丙胺的酮亚胺反应，得到2,6-二芳基-4-聚氟烷基吡啶，产率为中等到偏低。苄氨基和鸟氨酸也与2-聚氟烷基铬酮发生反应，生成相应的2,6-二取代的4-聚氟烷基嘧啶。
• ——
  作者：V. Ya. Sosnovskikh、M. A. Barabanov、A. Yu. Sizov

  DOI：10.1023/a:1020960815497

  日期：——

  The reaction of 2-hydroxy-2-polyfluoroalkylchroman-4-ones with hydrazine affords 5-hydroxy-3-(2-hydroxyaryl)-5-polyfluoroalkyl-Delta(2)-pyrazolines, whereas 2-polyfluoroalkylchromones under similar conditions produce 3(5)-(2-hydroxyaryl)-5(3)-polyfluoroalkylpyrazoles. 5 - (2-Hydroxyaryl)-1-methyl-3-polyfluoroalkylpyrazoles were synthesized in the reaction with methylhydrazine, and the reaction with phenylhydrazine afforded regioisomeric 3(5)-(2-hydroxyphenyl)-1-phenyl-5(3)-polyfluoroalkylpyrazoles.