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CAS RN: 527-21-9 | Product Number: T0790
Tetrafluoro-1,4-benzoquinone
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Purity: >98.0%(T)(HPLC)
Synonyms:
- Fluoranil
Documents:
| Size | Unit Price | Hyderabad | Chennai | Japan* | Quantity |
|---|---|---|---|---|---|
| 1G |
₹3,700
|
2 | Contact Us | Contact Us |
|
| 5G |
₹6,200
|
Contact Us | Contact Us | Contact Us |
|
*Upon orders receipt, Hyderabad stocks will be dispatched on the same day & Chennai stocks will be dispatched in 3-6 working days.
*Items available in Japan warehouse will be dispatched in 10-12 working days.
*INR price is exclusive of domestic taxes applicable.
*Change currency to place order in USD.
*TCI frequently reviews storage conditions to optimize them. Please note that the latest information on the storage temperature for the products is described on our website.
Specifications
| Appearance | Light yellow to Brown powder to crystal |
| Purity(HPLC) | min. 98.0 area% |
| Purity(Iodometric Titration) | min. 98.0 % |
Properties (reference)
GHS
| Pictogram |
|
| Signal Word | Warning |
| Hazard Statements | H315 : Causes skin irritation. H319 : Causes serious eye irritation. |
| Precautionary Statements | 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. |
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Application
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
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