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CAS RN: 527-21-9 | 产品编码: T0790
Tetrafluoro-1,4-benzoquinone
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| 产品编码 | T0790 |
| 纯度/分析方法 | >98.0%(T)(HPLC) |
| 分子式/分子量 | C__6F__4O__2 = 180.06 |
| 外观与形状（20°C） | 固体 |
| 储存温度 | 室温 (15°C以下阴凉干燥处) |
| 包装和容器 | 1G-Glass Bottle with Plastic Insert （查看图片） |
| CAS RN | 527-21-9 |
| Reaxys-RN | 1875039 |
| PubChem物质ID | 87576632 |
| SDBS (AIST Spectral DB) | 5440 |
| MDL编号 | MFCD00001592 |
技术规格
| Appearance | Light yellow to Brown powder to crystal |
| Purity(HPLC) | min. 98.0 area% |
| Purity(Iodometric Titration) | min. 98.0 % |
物性（参考值）
GHS
| 象形图 |
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| 信号词 | Warning |
| 危险性说明 | H315 : Causes skin irritation. H319 : Causes serious eye irritation. |
| 防范说明 | P264 : Wash skin thoroughly after handling. P280 : Wear protective gloves/ eye protection/ face protection. P302 + P352 : IF ON SKIN: Wash with plenty of water. P337 + P313 : If eye irritation persists: Get medical advice/ attention. P305 + P351 + P338 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P362 + P364 : Take off contaminated clothing and wash it before reuse. P332 + P313 : If skin irritation occurs: Get medical advice/ attention. |
相关法规
运输信息
| HS编码* | 2914.79-000 |
应用
Mukaiyama Oxidation-Reduction Condensation
[Experimental procedure]
to a mixture of alkoxydiphenylphosphine (2, 0.60 mmol), prepared from the alcohol (1), n-BuLi and chlorodiphenylphosphine, and tetrafluoro-1,4-benzoquinone (0.72 mmol) under argon atmosphere is added a dichloromethane (0.50 mL) solution of alcohol (3, 0.72 mmol) at room temperature. After the reaction that is monitored by TLC was completed, the reaction mixture is quenched by adding water and the aqueous layer is extracted with dichloromethane. The organic layers are dried over anhydrous sodium sulfate. After filtration and evaporation, the resulted residue is purified by preparative TLC to afford the corresponding ether (4).
to a mixture of alkoxydiphenylphosphine (2, 0.60 mmol), prepared from the alcohol (1), n-BuLi and chlorodiphenylphosphine, and tetrafluoro-1,4-benzoquinone (0.72 mmol) under argon atmosphere is added a dichloromethane (0.50 mL) solution of alcohol (3, 0.72 mmol) at room temperature. After the reaction that is monitored by TLC was completed, the reaction mixture is quenched by adding water and the aqueous layer is extracted with dichloromethane. The organic layers are dried over anhydrous sodium sulfate. After filtration and evaporation, the resulted residue is purified by preparative TLC to afford the corresponding ether (4).
References
- A Convenient Method for the Preparation of Symmetrical or Unsymmetrical Ethers by the Coupling of Two Alcohols via a New Type of Oxidation–reduction Condensation Using Tetrafluoro-1,4-benzoquinone
- Efficient Methods for the Preparation of Alkyl－Aryl and Symmetrical or Unsymmetrical Dialkyl Ethers between Alcohols and Phenols or Two Alcohols by Oxidation－Reduction Condensation
参考文献
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