Maximum quantity allowed is 999
CAS RN: 762-72-1 | 產品號碼: A0729
Allyltrimethylsilane
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產品號碼 | A0729 |
純度/分析方法 | >98.0%(GC) |
分子式 / 分子量 | C__6H__1__4Si = 114.26 |
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 |
CAS RN | 762-72-1 |
Reaxys-RN | 906755 |
PubChem Substance ID | 87562275 |
SDBS (AIST Spectral DB) | 5609 |
MDL編號 | MFCD00008635 |
Appearance | Colorless to Almost colorless clear liquid |
Purity(GC) | min. 98.0 % |
NMR | confirm to structure |
沸點 | 83 °C |
flp | 7 °C |
比重 | 0.72 |
折射率 | 1.41 |
圖形表示 |
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信號詞 | Danger |
危險性說明 | H302 + H312 + H332 : Harmful if swallowed, in contact with skin or if inhaled. H315 : Causes skin irritation. H319 : Causes serious eye irritation. H225 : Highly flammable liquid and vapor. |
防範說明 | P501 : Dispose of contents/ container to an approved waste disposal plant. P261 : Avoid breathing dust/ fume/ gas/ mist/ vapors/ spray. P270 : Do not eat, drink or smoke when using this product. 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. P271 : Use only outdoors or in a well-ventilated area. 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. P301 + P312 + P330 : IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell. Rinse mouth. P304 + P340 + P312 : IF INHALED: Remove person to fresh air and keep comfortable for breathing. Call a POISON CENTER/doctor if you feel unwell. P403 + P235 : Store in a well-ventilated place. Keep cool. |
UN編號 | UN1993 |
類別 | 3 |
包裝類別 | II |
HS編碼* | 2931.90-000 |
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Used Chemicals
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Procedure
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Cyclopentanone (890 µL, 10 mmol), benzyl carbamate (1.81 g, 12 mmol) and allyltrimethylsilane (2.2 mL, 14 mmol) were dissolved in dichloromethane (14 mL). After cooling to 0 °C, BF3·Et2O (1.51 mL, 12 mmol) was added and the reaction mixture was stirred for 21 hours at room temperature. After the reaction, the mixture was washed with strd. NaHCO3 aq. (10 mL), brine (20 mL), dried over anhydrous sodium sulfate and concentrated under reduced pressure. The crude product was purified by silica gel column chromatography (hexane:ethyl acetate = 9:1) to afford benzyl (1-allylcyclopentyl)carbamate (1.84 g, 71% yield) as a clear yellow liquid.
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Experimenter’s Comments
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The reaction solution was monitored by UPLC.
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Analytical Data
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Benzyl (1-Allylcyclopentyl)carbamate
1H NMR (400 MHz, CDCl3); δ 7.35-7.29 (m, 5H), 5.82-5.72 (m, 1H), 5.06-5.02 (m, 4H), 4.68 (brs, 1H), 2.52-2.51 (m, 2H), 1.76-1.61 (m, 8H).
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Other Reference
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- Scalable Synthesis of Biologically Relevant Spirocyclic Pyrrolidines
References
- Protection for the Hydroxyl Group, Including 1,2- and 1,3-Diols
- P. G. M. Wuts, in Greene’s Protective Groups in Organic Synthesis, 5th ed., ed. by P. G. M. Wuts, John Wiley & Sons, Inc., Hoboken, New Jersey, 2014, Chap. 2, 17.
References
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