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CAS RN: 36805-97-7 | 產品號碼: D1303
N,N-Dimethylformamide Di-tert-butyl Acetal [for Esterification]
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| 產品號碼 | D1303 |
純度/分析方法 
|
>98.0%(N) |
| 分子式 / 分子量 | C__1__1H__2__5NO__2 = 203.33 |
| 外觀與形狀（20°C） | Liquid |
| 儲存條件
|
Room Temperature (Recommended in a cool and dark place, <15°C) |
| 儲存在惰性氣體下 | Store under inert gas |
| 應避免的情況 | Moisture Sensitive |
| 包裝和容器
|
25ML-Vial （閲覽圖片）, 5ML-Vial （閲覽圖片） |
| CAS RN | 36805-97-7 |
| Reaxys-RN | 969629 |
| PubChem Substance ID | 87567826 |
| SDBS (AIST Spectral DB) | 7968 |
| MDL編號 | MFCD00015002 |
產品規格
| Appearance | Colorless to Almost colorless clear liquid |
| Purity(with Total Nitrogen) | min. 98.0 % |
| Effect test of GC derivalization | Effective as derivatization agent Myristic Acid |
| NMR | confirm to structure |
性質
| 沸點 | 57 °C/8 mmHg |
| flp | 33 °C |
| 比重 | 0.85 |
| 折射率 | 1.41 |
GHS
| 圖形表示 |
|
| 信號詞 | Warning |
| 危險性說明 | H315 : Causes skin irritation. H319 : Causes serious eye irritation. H226 : Flammable liquid and vapor. |
| 防範說明 | P501 : Dispose of contents/ container to an approved waste disposal plant. P240 : Ground/bond container and receiving equipment. P210 : Keep away from heat/sparks/open flames/hot surfaces. No smoking. P233 : Keep container tightly closed. P243 : Take precautionary measures against static discharge. P241 : Use explosion-proof electrical/ ventilating/ lighting/ equipment. P242 : Use only non-sparking tools. P264 : Wash skin thoroughly after handling. P280 : Wear protective gloves/ eye protection/ face protection. 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. P303 + P361 + P353 : IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/shower. P332 + P313 : If skin irritation occurs: Get medical advice/ attention. P403 + P235 : Store in a well-ventilated place. Keep cool. |
相關法規
運輸資料
| UN編號 | UN1993 |
| 類別 | 3 |
| 包裝類別 | III |
| HS編碼* | 2922.50-000 |
Application
TCI Practical Example: Esterification Using N,N-DMF Di-tert-Butyl Acetal
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Used Chemicals
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Procedure
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To a solution of N-acetyl-L-phenylalanine (1.0 g, 4.78 mmol) in DMF di-tert-butyl acetal (6.9 mL, 28.7 mmol, 6.0 eq.) was stirred at 60 °C for overnight. The solvent was removed under reduced pressure and the residue was purified by column chromatography (ethyl acetate:hexane = 1:1 on silica gel), giving tert-butyl acetyl-L-phenylalaninate as a colorless oil (1.20 g, 94% yield).
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Experimenter’s Comments
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The reaction mixture was monitored by UPLC.
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Analytical Data
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tert-Butyl Acetyl-L-phenylalaninate
1H NMR (400 MHz, CDCl3); δ 7.28–7.19 (m, 3H), 7.13-7.11 (m, 2H), 5.92 (br d, 1H, J = 7.6 Hz), 4.76–4.71 (m, 1H), 3.07 (d, 2H, J = 6.0 Hz), 1.96 (s, 3H), 1.38 (s, 9H).
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Lead Reference
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- Design and synthesis of novel macrocyclic 2-amino-6-arylpyrimidine Hsp90 inhibitors
Application
Esterification Reagent for GC Derivatization
Experimental procedure: Fatty acid (~ 5 mg) is placed into a vial and then N,N-dimethylformamide di-tert-butyl acetal (100 μL) is added. The reaction is completed upon dissolution. The reaction mixture can be injected directly into GC.
References
- Fatty Acid Esterification with N,N-Dimethylformamide Dialkyl Acetals for GC Analysis
考研文獻
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產品規格
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