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CAS RN: 866252-52-0 | 產品號碼: D3883
4,5-Dimethoxy-2-(trimethylsilyl)phenyl Trifluoromethanesulfonate
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產品規格
| Appearance | White to Yellow to Green clear liquid |
| Purity(GC) | min. 90.0 % |
| NMR | confirm to structure |
性質
| 折射率 | 1.47 |
GHS
| 圖形表示 |
|
| 信號詞 | Danger |
| 危險性說明 | H314 : Causes severe skin burns and eye damage. H290 : May be corrosive to metals. |
| 防範說明 | P501 : Dispose of contents/ container to an approved waste disposal plant. P234 : Keep only in original packaging. P264 : Wash skin thoroughly after handling. P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection. P390 : Absorb spillage to prevent material damage. P303 + P361 + P353 : IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water. P301 + P330 + P331 : IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P363 : Wash contaminated clothing before reuse. P304 + P340 + P310 : IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/doctor. P305 + P351 + P338 + P310 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER/doctor. P406 : Store in a corrosion resistant container with a resistant inner liner. P405 : Store locked up. |
相關法規
運輸資料
| UN編號 | UN3265 |
| 類別 | 8 |
| 包裝類別 | II |
| HS編碼* | 2931.90-000 |
Application
Straightforward Aryne Polymerization: Synthesis of Poly(ortho -arylene)s
Typical Procedure: Dried CsF (302.5 mg, 1.99 mmol), dry THF (12 mL), 4,5-dimethoxy-2-(trimethylsilyl)phenyl trifluoromethanesulfonate (363.5 mg, 1.01 mmol) and 18-crown-6 ether (1.023 mg, 3.87 mmol) are added to a dried Schlenk flask under argon. A solution of CuCN (1 mg, 1.1 mol%) in dry THF (6 mL) is added to this mixture. The mixture is stirred at room temperature for 21.5 h. The reaction is quenched with saturated aqueous NH4Cl and extracted with chloroform. The collected organic layer is washed with water, dried over anhydrous MgSO4 and concentrated under reduced pressure. The residue is purified with preparative HPLC (eluent: CHCl3) to give the corresponding poly(ortho -arylene) as a pale yellow solid in 75% yield (101.9 mg). Gel permeation chromatography (eluent: THF) Mn = 5120 g/mol, Mw = 10520 g/mol, Mw /Mn = 2.05.
References
Generation of Benzynes and Synthesis of Xanthone Derivatives
References
- One-Pot Synthesis of Xanthones and Thioxanthones by the Tandem Coupling-Cyclization of Arynes and Salicylates
Application
Generation of Benzynes and Synthesis of Xanthone Derivatives
Reference
- One-Pot Synthesis of Xanthones and Thioxanthones by the Tandem Coupling-Cyclization of Arynes and Salicylates
PubMed Literature
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