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Cas Database |
| Name |
2(1H)-Pyridinone,5,6-dihydro- |
EINECS | N/A |
| CAS No. | 6052-73-9 | Density | 1.052 g/cm3 |
| PSA | 29.10000 | LogP | 0.39130 |
| Solubility | N/A | Melting Point |
187-188℃ |
| Formula | C5H7NO | Boiling Point | 287 °C at 760 mmHg |
| Molecular Weight | 97.1167 | Flash Point | 158 °C |
| Transport Information | N/A | Appearance | N/A |
| Safety | Risk Codes | N/A | |
| Molecular Structure |
|
Hazard Symbols | N/A |
| Synonyms |
2(1H)-Pyridone,5,6-dihydro- (7CI,8CI);2-Pentenoic acid, 5-amino-, lactam;3,4-Dehydro-2-piperidone;5,6-Dihydro-1H-pyridin-2-one;5,6-Dihydro-2(1H)-pyridone; |
Article Data | 24 |
2(1H)-Pyridinone,5,6-dihydro- Synthetic route
- 128372-89-4
6-oxo-3,6-dihydro-2H-pyridine-1-carboxylic acid tert-butyl ester
- 6052-73-9
5,6-dihydro-2(1H)-pyridinone
| Conditions | Yield |
|---|---|
| With hydrogenchloride In methanol; water at 0℃; for 1h; Inert atmosphere; | 98% |
| With trifluoroacetic acid In dichloromethane at 0 - 20℃; for 2h; | 72% |
| With trifluoroacetic acid In dichloromethane at 20℃; Inert atmosphere; |
- 6052-73-9
5,6-dihydro-2(1H)-pyridinone
| Conditions | Yield |
|---|---|
| With dihydrogen peroxide In tetrahydrofuran at 0 - 20℃; for 2h; | 97.7% |
| In tetrahydrofuran at 0 - 20℃; for 2h; | 0.55 g |
- 6052-73-9
5,6-dihydro-2(1H)-pyridinone
| Conditions | Yield |
|---|---|
| With tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride In dichloromethane for 2h; Reflux; | 94% |
| With tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride In dichloromethane at 40℃; for 2h; | 56% |
- 104261-03-2
3-(phenylthio)piperidin-2-one
- 6052-73-9
5,6-dihydro-2(1H)-pyridinone
| Conditions | Yield |
|---|---|
| Stage #1: 3-(phenylthio)piperidin-2-one With sodium hydrogencarbonate In dichloromethane for 0.166667h; Stage #2: With 3-chloro-benzenecarboperoxoic acid for 1h; Further stages.; | 90% |
| Stage #1: 3-(phenylthio)piperidin-2-one With 3-chloro-benzenecarboperoxoic acid In dichloromethane at 0 - 20℃; for 2h; Stage #2: In toluene for 1h; Reflux; | 80% |
| Multi-step reaction with 2 steps 1: m-CPBA, aq.NaHCO3 / CH2Cl2 / 1 h / 0 °C 2: 1.17 g / benzene / 1 h / Heating View Scheme |
- 1415686-28-0
N-(but-3-en-1-yl)prop-2-enamide
- 6052-73-9
5,6-dihydro-2(1H)-pyridinone
| Conditions | Yield |
|---|---|
| With tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride In toluene at 85 - 90℃; for 7h; | 75% |
| With tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride In dichloromethane for 6h; Grubbs Olefin Metathesis; Reflux; | 70% |
| With tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride In dichloromethane for 6h; Reflux; | 70% |
- 6052-73-9
5,6-dihydro-2(1H)-pyridinone
| Conditions | Yield |
|---|---|
| at 260℃; under 1 Torr; | 68% |
- 6052-73-9
5,6-dihydro-2(1H)-pyridinone
| Conditions | Yield |
|---|---|
| With lithium hydroxide monohydrate In tetrahydrofuran at 50℃; for 4h; | 68% |
- 21651-12-7
(E)-2,4-pentadienoic acid
A
- 6052-73-9
5,6-dihydro-2(1H)-pyridinone
B
- 61892-77-1
1,6-dihydropyridin-2(3H)-one
| Conditions | Yield |
|---|---|
| With ammonia Yield given. Yields of byproduct given; |
- 6052-73-9
5,6-dihydro-2(1H)-pyridinone
| Conditions | Yield |
|---|---|
| In benzene for 1h; Heating; | 1.17 g |
- 6052-73-9
5,6-dihydro-2(1H)-pyridinone
| Conditions | Yield |
|---|---|
| With dihydrogen peroxide In tetrahydrofuran 1.) 0 deg C, 30 min, 2.) 25 deg C, 1.5 h; Yield given; |
2(1H)-Pyridinone,5,6-dihydro- Specification
The 2(1H)-Pyridinone,5,6-dihydro-, also known as 5,6-Dihydro-2(1H)-pyridone, is an organic compound with the formula C5H7NO. With the CAS registry number 6052-73-9, its systematic name is 5,6-dihydropyridin-2(1H)-one.
Physical properties of 2(1H)-Pyridinone,5,6-dihydro-: (1)ACD/LogP: -0.65; (2)ACD/LogD (pH 5.5): -0.65; (3)ACD/LogD (pH 7.4): -0.65; (4)ACD/BCF (pH 5.5): 1; (5)ACD/BCF (pH 7.4): 1; (6)ACD/KOC (pH 5.5): 10.57; (7)ACD/KOC (pH 7.4): 10.57; (8)#H bond acceptors: 2; (9)#H bond donors: 1; (10)Index of Refraction: 1.478; (11)Molar Refractivity: 26.14 cm3; (12)Molar Volume: 92.2 cm3; (13)Surface Tension: 33.2 dyne/cm; (14)Density: 1.052 g/cm3; (15)Flash Point: 158 °C; (16)Enthalpy of Vaporization: 52.61 kJ/mol; (17)Boiling Point: 287 °C at 760 mmHg; (18)Vapour Pressure: 0.00256 mmHg at 25°C.
You can still convert the following datas into molecular structure:
(1)SMILES: O=C1\C=C/CCN1
(2)InChI: InChI=1/C5H7NO/c7-5-3-1-2-4-6-5/h1,3H,2,4H2,(H,6,7)
(3)InChIKey: OXRRHYRRQWIHIV-UHFFFAOYAD
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