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CAS RN: 24807-55-4 | 產品號碼: N0477
3-Nitro-1,2,4-triazole [Coupling Agent]
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![3-Nitro-1,2,4-triazole [Coupling Agent]](/_ui/responsive/theme-tci/images/missing_product_zoom.jpg "3-Nitro-1,2,4-triazole [Coupling Agent]")
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| 產品號碼 | N0477 |
| 純度/分析方法 | >98.0%(T)(HPLC) |
| 分子式 / 分子量 | C__2H__2N__4O__2 = 114.06 |
| 外觀與形狀（20°C） | Solid |
| 儲存條件 | Refrigerated (0-10°C) |
| 應避免的情況 | Heat Sensitive |
| 包裝和容器 | 1G-Glass Bottle with Plastic Insert （閲覽圖片） |
| CAS RN | 24807-55-4 |
| Reaxys-RN | 607167 |
| PubChem Substance ID | 87573806 |
| SDBS (AIST Spectral DB) | 23862 |
| MDL編號 | MFCD00009749 |
產品規格
| Appearance | White to Light yellow powder to crystal |
| Purity(HPLC) | min. 98.0 area% |
| Purity(Neutralization titration) | min. 98.0 % |
性質
| 熔點 | 214 °C |
GHS
| 圖形表示 |
|
| 信號詞 | Warning |
| 危險性說明 | H315 : Causes skin irritation. H319 : Causes serious eye irritation. |
| 防範說明 | 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. |
相關法規
運輸資料
| HS編碼* | 2933.99-000 |
Application
A Condensing Agent
Experimental procedure: to a solution of N-Boc-Val-OH (160 mg, 0.74 mmol) and Et3N (140 µ L, 1.0 mmol) in THF is added 1 (395 mg, 0.44 mmol). The mixture is concentrated, coevaporated with pyridine and then with toluene, and redissolved in THF (4 mL). DIPEA (0.38 mL, 2.2 mmol), BOP-Cl (0.28 g, 1.1 mmol), and 3-nitro-1,2,4-triazole (0.13 g, 1.1 mmol) were added successively. The reaction mixture is stirred at rt for 1 h. Chromatography on silica gel with 0.5% Et3N and 20 － 100% EtOAc in hexanes gives 2 (0.39 g, 81% yield).
References
- Discovery of 4’-Chloromethyl-2’-deoxy-3’,5’-di‑O ‑isobutyryl-2’-fluorocytidine (ALS-8176), A First-in-Class RSV Polymerase Inhibitor for Treatment of Human Respiratory Syncytial Virus Infection
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