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CAS No.: | 3637-31-8 |
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Name: | 2H,2H,3H,3H-Perfluoropentanoic acid |
Article Data: | 6 |
Molecular Structure: | |
Formula: | C5H5F5O2 |
Molecular Weight: | 192.086 |
Synonyms: | 2H,2H,3H,3H-Perfluoropentanoic acid; |
Density: | 1.443±0.06 g/cm3(Predicted) |
Boiling Point: | 158.6±35.0 °C(Predicted) |
PSA: | 37.30000 |
LogP: | 2.04880 |
4,4,5,5,5-pentafluorpentan-1-ol
4,4,5,5,5-pentafluoropentanoic acid
Conditions | Yield |
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With Jones reagent In acetone at 0 - 20℃; for 1h; | 82% |
With sodium permanganate monohydrate; tetraethylammonium hydrogen sulphate In water at 65 - 75℃; for 6.5h; Large scale; | 77% |
With chromium(VI) oxide; acetic acid at 0 - 20℃; for 26h; | 63% |
4,4,5,5,5-pentafluoropentyl acetate
4,4,5,5,5-pentafluoropentanoic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 92 percent / aq. NaOH / 1 h / Heating 2: 63 percent / CrO3, aq. AcOH / 26 h / 0 - 20 °C View Scheme |
4,4,5,5,5-pentafluoro-2-iodopentyl acetate
4,4,5,5,5-pentafluoropentanoic acid
Conditions | Yield |
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Multi-step reaction with 3 steps 1: 78 percent / azoisobutyronitrile (AIBN), Bu3SnH / 55 - 65 °C 2: 92 percent / aq. NaOH / 1 h / Heating 3: 63 percent / CrO3, aq. AcOH / 26 h / 0 - 20 °C View Scheme |
tetra(n-butyl)ammonium hydrogensulfate
4,4,5,5,5-pentafluorpentan-1-ol
A
3,3,4,4,4-pentafluorobutanoic acid
B
4,4,5,5,5-pentafluoropentanoic acid
C
butyric acid
Conditions | Yield |
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With potassium permanganate In water at 65 - 70℃; |
Conditions | Yield |
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With thionyl chloride for 2h; Heating / reflux; | 54% |
(2,3-dihydrothieno[3,4-b][1,4]oxathiin-3-yl)methanethiol
4,4,5,5,5-pentafluoropentanoic acid
S-(2,3-dihydrothieno[3,4-b][1,4]oxathiin-3-yl)-methyl 4,4,5,5,5-pentafluoropentanethioate
Conditions | Yield |
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Stage #1: 4,4,5,5,5-pentafluoropentanoic acid With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; for 0.5h; Stage #2: (2,3-dihydrothieno[3,4-b][1,4]oxathiin-3-yl)methanethiol In dichloromethane at 50℃; for 24h; | 25% |
Conditions | Yield |
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With triethylamine In tetrahydrofuran at -78 - 0℃; for 0.333333h; |
4,4,5,5,5-pentafluoropentanoic acid
(-)-(S)-2-azido-4,4,5,5,-pentafluoropentanoic acid
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: Et3N / tetrahydrofuran / 0.33 h / -78 - 0 °C 2: 1.) BuLi / 1.) THF, hexane, -78 deg C, 2.) THF, hexane, -78 deg C, 20 min 3: 1.) (i-Pr)2NEt, Bu2BOTf, 2.) NBS / 1.) CH2Cl2, from -78 deg C to 0 deg C, 75 min, 2.) CH2Cl2, -78 deg C, 1.25 h 4: tetramethylguanidinium azide / CH2Cl2 / 3 h / 0 °C 5: 70 percent / aq. H2O2, LiOH / tetrahydrofuran / 0.5 h / 0 °C View Scheme |
4,4,5,5,5-pentafluoropentanoic acid
(4R)-3-(4,4,5,5,5-pentafluoro-1-oxopentyl)-4-(phenylmethyl)-2-oxazolidinone
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: Et3N / tetrahydrofuran / 0.33 h / -78 - 0 °C 2: 1.) BuLi / 1.) THF, hexane, -78 deg C, 2.) THF, hexane, -78 deg C, 20 min View Scheme |
4,4,5,5,5-pentafluoropentanoic acid
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: Et3N / tetrahydrofuran / 0.33 h / -78 - 0 °C 2: 1.) BuLi / 1.) THF, hexane, -78 deg C, 2.) THF, hexane, -78 deg C, 20 min 3: 1.) (i-Pr)2NEt, Bu2BOTf, 2.) NBS / 1.) CH2Cl2, from -78 deg C to 0 deg C, 75 min, 2.) CH2Cl2, -78 deg C, 1.25 h View Scheme |