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CAS RN: 76-05-1 | 제품번호: T0431
Trifluoroacetic Acid
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•보관 조건은 예고없이 변경 될 수 있습니다. 제품 보관 조건의 최신 자료는 홈페이지에 기재되어 있으니 양해 부탁드립니다.
•본건의 원가격은 한국 대리점의 예상 판매가격입니다.자세한 정보가 필요하시면 연락해 주십시오.( SEJIN CI Co., Ltd. (한국총대리점) 전화 : 02-2655-2480 이메일 : sales@sejinci.co.kr)
•보관 조건은 예고없이 변경 될 수 있습니다. 제품 보관 조건의 최신 자료는 홈페이지에 기재되어 있으니 양해 부탁드립니다.
| 제품번호 | T0431 |
| Purity/Analysis Method | >99.0%(T) |
| M.F. / M.W. | C__2HF__3O__2 = 114.02 |
| 물리적 상태 (20 ℃) | Liquid |
| 보관 조건 | Room Temperature (Recommended in a cool and dark place, <15°C) |
| 불활성 가스 하에서 보관 | Store under inert gas |
| 피해야 할 조건 | Hygroscopic |
| CAS RN | 76-05-1 |
| Reaxys-RN | 742035 |
| PubChem Substance ID | 87576383 |
| SDBS | 746 |
| Merck Index (14) | 9681 |
| MDL 번호 | MFCD00004169 |
규격표
| Appearance | Colorless to Almost colorless clear liquid |
| Purity(Neutralization titration) | min. 99.0 % |
물성치(참고치)
| bp | 73 °C |
| 비중 | 1.49 |
| Solubility in water | Completely miscible |
| Solubility (miscible with) | Ether, Benzene, Acetone |
GHS
| 픽토그램 |
|
| 신호 워드 | Danger |
| 위험물 및 유해 등록 | H301 : Toxic if swallowed. H332 : Harmful if inhaled. H314 : Causes severe skin burns and eye damage. H412 : Harmful to aquatic life with long lasting effects. H290 : May be corrosive to metals. |
| 주의 사항 | P501 : Dispose of contents/ container to an approved waste disposal plant. P261 : Avoid breathing dust/ fume/ gas/ mist/ vapors/ spray. P273 : Avoid release to the environment. P270 : Do not eat, drink or smoke when using this product. P234 : Keep only in original container. P271 : Use only outdoors or in a well-ventilated area. P264 : Wash skin thoroughly after handling. P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection. P390 : Absorb spillage to prevent material damage. P303 + P361 + P353 : IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/shower. P301 + P330 + P331 : IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P363 : Wash contaminated clothing before reuse. P301 + P310 + P330 : IF SWALLOWED: Immediately call a POISON CENTER/doctor. Rinse mouth. P304 + P340 + P310 : IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/doctor. P305 + P351 + P338 + P310 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER/doctor. P406 : Store in corrosive resistant container with a resistant inner liner. P405 : Store locked up. |
법규 정보
| RTECS # | AJ9625000 |
운송 정보
| UN 번호 | UN2699 |
| 등급 | 8 |
| 포장 그룹 | I |
| HS 번호* | 2915.90-900 |
Application
TCI Practical Example: Electroreduction Using Hydrazine Monohydrate
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Used Chemicals
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Procedure
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Trifluoroacetic acid (0.355 mL, 4.64 mmol, 11.6 eq.) was added to a solution of 1-Phenylpropargyl alcohol (52.9 mg, 0.40 mmol) and hydrazine monohydrate (500 mg, 10.0 mmol, 25 eq.) in methanol (5 mL) at room temperature. An RVC electrode was immersed in the solution and constant current electrolysis was performed at a current of 40 mA until an electrical flow of 45 F/mol was completed. Water (20 mL) was added to the reaction mixture and the aqueous layer was extracted with diethyl ether (20 mL, twice). The combined organic layer was dried over sodium sulfate and filtered. The solvent was removed under reduced pressure to give 1-phenyl-1-propanol as a colorless liquid (57.2 mg, >99% yield).
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Experimenter’s Comments
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The reaction mixture was monitored by UPLC.
The experiment was conducted in a fume hood because gas is produced during the reaction.
The reaction was carried out for about 8 hours.
IKA ElectraSyn 2.0 was used as an electrolytic apparatus in this experiment.
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Analytical Data
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1-phenyl-1-propanol
1H NMR (400 MHz, CDCl3); δ 7.39–7.26 (m, 5H), 4.59 (t, J = 6.4 Hz, 1H), 2.07 (br s, 1H), 1.88–1.70 (m, 2H), 0.92 (t, J = 7.2 Hz, 3H).
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Lead Reference
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- eHydrogenation: Hydrogen-free Electrochemical Hydrogenation
Application
Deprotection of MOM Groups using Trifluoroacetic Acid
Reference
- 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.
Application
Pfitzner-Moffat Oxidation
Typical Procedure:
To a stirred solution of alcohol 1 (913 mg, 3.06 mmol) in benzene (85 mL) are added DMSO (1.31 mL, 18.4 mmol), pyridine (0.37 mL, 4.6 mmol), CF3COOH (0.35 mL, 4.6 mmol), and dicyclohexylcarbodiimide (1.89 g, 9.2 mmol). After being stirred for 30 min, the resulting white solids are filtered off. The filtrate is diluted with AcOEt (500 mL), and this is wshed with H2O (100 mL). The organic phase is dried over Na2SO4 and concentrated in vacuo. To the residue is added a small amount of AcOEt, and the precipitates are filtered off. The filtrate is concentrated in vacuo to give crude tetrahydrofuranone 2, which is reduced directly. The residue is dissolved in MeOH (20 mL), and NaBH4 (174 mg, 4.6 mmol) is added. After being stirred for 1 h, the mixture is neutralized with Amberlite IR-120 (H+). The resin is removed by filtration and washed with MeOH. The combined filtrate and washings are concentrated in vacuo. The residue is purified by flash column chromatography (SiO2, AcOEt : Toluene = 1 : 20) to give the epi alcohol 3 (758 mg, Y. 83%) as white crystals.
To a stirred solution of alcohol 1 (913 mg, 3.06 mmol) in benzene (85 mL) are added DMSO (1.31 mL, 18.4 mmol), pyridine (0.37 mL, 4.6 mmol), CF3COOH (0.35 mL, 4.6 mmol), and dicyclohexylcarbodiimide (1.89 g, 9.2 mmol). After being stirred for 30 min, the resulting white solids are filtered off. The filtrate is diluted with AcOEt (500 mL), and this is wshed with H2O (100 mL). The organic phase is dried over Na2SO4 and concentrated in vacuo. To the residue is added a small amount of AcOEt, and the precipitates are filtered off. The filtrate is concentrated in vacuo to give crude tetrahydrofuranone 2, which is reduced directly. The residue is dissolved in MeOH (20 mL), and NaBH4 (174 mg, 4.6 mmol) is added. After being stirred for 1 h, the mixture is neutralized with Amberlite IR-120 (H+). The resin is removed by filtration and washed with MeOH. The combined filtrate and washings are concentrated in vacuo. The residue is purified by flash column chromatography (SiO2, AcOEt : Toluene = 1 : 20) to give the epi alcohol 3 (758 mg, Y. 83%) as white crystals.
References
- Total syntheses of (+)-Altholactone [(+)-Goniothalenol] and three stereocongeners and their cytotoxicity against several tumor cell lines
PubMed Literature
기사 / 브로셔
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