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CAS No.: | 41661-47-6 |
---|---|
Name: | 4-Piperidinone |
Article Data: | 36 |
Molecular Structure: | |
Formula: | C5H9NO |
Molecular Weight: | 99.1326 |
Synonyms: | 4-Oxopiperidine;g-Piperidinone;g-Piperidone; |
EINECS: | 255-481-1 |
Density: | 1.001 g/cm3 |
Boiling Point: | 175.1 °C at 760 mmHg |
Flash Point: | 84.6 °C |
Appearance: | Colorless Liquid |
Risk Codes: | 11-20/21/22 |
Safety: | 16-26-36/37/39 |
Transport Information: | UN 1993 |
PSA: | 29.10000 |
LogP: | 0.26770 |
N-tert-butyloxycarbonylpiperidin-4-one
piperidin-4-one
Conditions | Yield |
---|---|
With trifluoroacetic acid In dichloromethane at 0 - 20℃; for 3h; | 100% |
With trifluoroacetic acid In dichloromethane at 20℃; | 100% |
With trifluoroacetic acid In dichloromethane | |
With trifluoroacetic acid In 1,2-dichloro-ethane | |
With hydrogenchloride In 1,4-dioxane at 20℃; for 4h; | 6.5 g |
benzyl 4-oxo-1-piperidinecarboxylate
piperidin-4-one
Conditions | Yield |
---|---|
With hydrogen; palladium diacetate; pyrographite In tetrahydrofuran; methanol at 25℃; under 760.051 Torr; for 12h; | 99% |
4-oxo-piperidine-1-carboxylic acid prop-2-ynyl ester
piperidin-4-one
Conditions | Yield |
---|---|
With benzyltriethylammonium tetrathiomolybdate In acetonitrile at 20℃; for 2h; | 97% |
1-((2-nitrophenyl)sulfonyl)piperidin-4-one
piperidin-4-one
Conditions | Yield |
---|---|
With polystyrene-thiophenol; caesium carbonate; triphenylphosphine In tetrahydrofuran at 20℃; for 24h; | 94% |
Conditions | Yield |
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Stage #1: ethene; methyl 3-aminopropanoate With sodium ethanolate In ethanol at 5℃; Stage #2: In N,N-dimethyl-formamide at 120℃; for 2h; Concentration; Temperature; | 93.7% |
N-ethoxycarbonyl-4-piperidone
piperidin-4-one
Conditions | Yield |
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With hydrogenchloride In water at 100℃; for 10h; | 90.7% |
1-phenylmethyl-4-piperidone
piperidin-4-one
Conditions | Yield |
---|---|
With hydrogen; palladium dihydroxide; palladium on activated charcoal In tetrahydrofuran; water; isopropyl alcohol for 6h; | 90% |
With palladium on activated charcoal; ammonium formate In methanol for 0.5h; Reflux; | 86% |
With Pd/C; hydrogen In ethanol |
Conditions | Yield |
---|---|
With ammonia at 60 - 70℃; Green chemistry; | 68% |
4-methoxy-7-morpholin-4-yl-benzothiazol-2-yl-amine
A
piperidin-4-one
Conditions | Yield |
---|---|
A n/a B 38% |
piperidin-4-one
Conditions | Yield |
---|---|
With hydrogenchloride |
Molecular Structure of 4-Piperidinone (CAS NO.41661-47-6):
IUPAC Name: Piperidin-4-one
Empirical Formula: C5H9NO
Molecular Weight: 99.1311
H bond acceptors: 2
H bond donors: 1
Freely Rotating Bonds: 0
Polar Surface Area: 20.31 Å2
Index of Refraction: 1.448
Molar Refractivity: 26.53 cm3
Molar Volume: 98.9 cm3
Surface Tension: 31.2 dyne/cm
Density: 1.001 g/cm3
Flash Point: 84.6 °C
Enthalpy of Vaporization: 41.14 kJ/mol
Boiling Point: 175.1 °C at 760 mmHg
Vapour Pressure: 1.17 mmHg at 25 °C
EINECS: 255-481-1
Product Categories: Miscellaneous
InChI: InChI=1/C5H9NO/c7-5-1-3-6-4-2-5/h6H,1-4H2
Smiles: O=C1CCNCC1
Risk Statements: 11-20/21/22
R11:Highly flammable.
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed.
Safety Statements: 16-26-36/37/39
S16:Keep away from sources of ignition.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
RIDADR: 1993
HazardClass: Irritant
4-Piperidinone , with CAS number of 41661-47-6, can be called Piperidin-4-one ; 4-Piperidone .