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CAS RN: 24424-99-5 | 產品號碼: D1547
Di-tert-butyl Dicarbonate [Boc-reagent for Amino Acid]
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產品規格
| Appearance | White or Colorless to Light yellow powder to lump to clear liquid |
| Purity(Morpholine Method) | min. 95.0 % |
| NMR | confirm to structure |
性質
| 熔點 | 23 °C |
| flp | 47 °C |
GHS
| 圖形表示 |
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| 信號詞 | Danger |
| 危險性說明 | H330 : Fatal if inhaled. H315 : Causes skin irritation. H319 : Causes serious eye irritation. H228 : Flammable solid. |
| 防範說明 | P501 : Dispose of contents/ container to an approved waste disposal plant. P260 : Do not breathe dust/ fume/ gas/ mist/ vapors/ spray. P240 : Ground/bond container and receiving equipment. P210 : Keep away from heat/sparks/open flames/hot surfaces. No smoking. P241 : Use explosion-proof electrical/ ventilating/ lighting/ equipment. P271 : Use only outdoors or in a well-ventilated area. P264 : Wash skin thoroughly after handling. P280 : Wear protective gloves/ eye protection/ face protection. P284 : Wear respiratory protection. P302 + P352 : IF ON SKIN: Wash with plenty of water. P370 + P378 : In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish. 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. P304 + P340 + P310 : IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/doctor. P403 + P233 : Store in a well-ventilated place. Keep container tightly closed. P405 : Store locked up. |
相關法規
| RTECS # | HT0230000 |
運輸資料
| UN編號 | UN2930 |
| 類別 | 6.1 / 4.1 |
| 包裝類別 | II |
| HS編碼* | 2920.90-000 |
Application
TCI Practical Example: Boc Protection of an Amine Moiety Using Boc2O
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Used Chemicals
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Procedure
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To a solution of indole (200 mg, 1.71 mmol) in THF (2 mL) was added DMAP (21 mg, 0.17 mmol, 0.1 eq.) and Boc2O (467 mg, 2.13 mmol, 1.25 eq.) at r.t. and stirred overnight. The reaction mixture was diluted with ethyl acetate (20 mL) and washed with water (15 mL) and brine (15 mL). Then the organic layer was dried over sodium sulfate and filtered. The solvent was removed under reduced pressure to give N-Boc-indole as a colorless liquid (392 mg, >99% yield).
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Experimenter’s Comments
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Gas was generated during the reaction.
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Analytical Data
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N-Boc-indole
1H NMR (270 MHz, CDCl3); δ 8.14 (d, 1H, J = 8.1 Hz), 7.59 (t, 1H, J = 4.1 Hz), 7.57 (d, 1H, J = 7.7 Hz), 7.32 (dt, 1H, J = 6.8, 1.4 Hz), 7.23 (dt, 1H, J = 7.7, 0.8 Hz), 6.58 (d, 1H, J = 4.1 Hz), 1.68 (s, 9H).
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Lead Reference/
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- Visible light-induced 3-sulfenylation of N-methylindoles with arylsulfonyl chlorides
Application
Selective Protection of Aromatic Amines
References
考研文獻
TCIMail
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產品規格
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