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CAS RN: 117632-84-5 | 产品编码: T3167
1-(Trifluoromethanesulfonyl)-1H-benzotriazole
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技术规格
| Appearance | White to Light yellow to Light orange powder to crystal |
| Purity(HPLC) | min. 98.0 area% |
| Melting point | 36.0 to 40.0 °C |
| NMR | confirm to structure |
物性（参考值）
| 熔点 | 38 °C |
| 闪点 | 142 °C |
| 溶解性（可溶于） | 甲苯 |
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* | 2935.90-000 |
应用
Denitrogenative Suzuki-Miyaura Cross-coupling Reactions of benzotriazoles
Experimental procedure: A flask is sequentially charged with 1-(trifluoromethanesulfonyl)-1H-benzotriazole (0.30 mmol, 1.0 eq.), phenyl/vinylboronic acid (0.45 mmol, 1.5 eq.), Pd(OAc)2 (3.3 mg, 0.015 mmol, 0.05 eq.), PPh3 (24 mg, 0.09 mmol, 0.3 eq.) and AgBF4 (145 mg, 0.75 mmol, 2.5 eq.) at N2 atmosphere. The reaction is added freshly distilled toluene (3 mL) and then placed in an oil bath preheated to 80 °C. The resulting solution is heated at this temperature for 3-8 hours before being cooled to room temperature and concentrated in vacuo. The residue is directly purified by flash chromatography (SiO2, hexanes/EtOAc) to give the corresponding product.
References
- Denitrogenative Suzuki and carbonylative Suzuki coupling reactions of benzotriazoles with boronic acids
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