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| CAS No.: | 36357-38-7 |
|---|---|
| Name: | 5-ACETYL-2-METHYLPYRIDINE |
| Article Data: | 29 |
| Molecular Structure: | |
|
|
|
| Formula: | C8H9NO |
| Molecular Weight: | 135.166 |
| Synonyms: | Ketone,methyl 6-methyl-3-pyridyl (6CI,7CI);1-(6-Methyl-3-pyridyl)-1-ethanone;1-(6-Methylpyridin-3-yl)ethanone;2-Methyl-5-acetylpyridine;3-Acetyl-6-methylpyridine;5-Acetyl-2-picoline;NSC27972; |
| EINECS: | 252-995-8 |
| Density: | 1.036 g/cm3 |
| Melting Point: | 129-133°C(lit.) |
| Boiling Point: | 233.608 °C at 760 mmHg |
| Flash Point: | 103.889 °C |
| Solubility: | Partly miscible with water. |
| Appearance: | pale-yellow oil |
| PSA: | 29.96000 |
| LogP: | 1.59260 |
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- 43224-75-52,2,6,6-Tetramethyl-4-(2-propyleneoxy) Piperidine
- 1945-85-3
2-methyl-5-pyridylacetylene
- 36357-38-7
1-(6-methyl-pyridin-3-yl)-ethanone
| Conditions | Yield |
|---|---|
| With sulfuric acid In toluene at 80℃; for 3h; Inert atmosphere; | 92% |
| With sulfuric acid In toluene at 50℃; | 91% |
| Stage #1: 2-methyl-5-pyridylacetylene With sulfuric acid In toluene at 50℃; Stage #2: With sodium hydrogencarbonate In toluene | 91% |
- 5470-70-2
Methyl 6-methylnicotinate
- 36357-38-7
1-(6-methyl-pyridin-3-yl)-ethanone
| Conditions | Yield |
|---|---|
| Stage #1: Methyl 6-methylnicotinate With sodium hydride In ethyl acetate; N,N-dimethyl-formamide; toluene at 80℃; for 10h; Stage #2: With sulfuric acid In water at 110℃; for 2h; Stage #3: With potassium carbonate In water pH=9; | 65% |
| Multi-step reaction with 2 steps 1: NaH / dimethylformamide; toluene / 2.5 h / 80 °C 2: 10percent aq. H2SO4 / 2 h / Heating View Scheme |
| Conditions | Yield |
|---|---|
| Stage #1: Methyl 6-methylnicotinate; ethyl acetate With sodium hydride In N,N-dimethyl-formamide; toluene at 80℃; for 10h; Stage #2: With sulfuric acid In water at 110℃; for 2h; Stage #3: With potassium carbonate In water pH=9; | 65% |
| Stage #1: Methyl 6-methylnicotinate; ethyl acetate With lithium hexamethyldisilazane In tetrahydrofuran; N,N-dimethyl-formamide at -50 - 20℃; for 1h; Stage #2: With sulfuric acid In tetrahydrofuran; N,N-dimethyl-formamide at 0℃; for 4h; Reflux; |
- 2976-86-5
1-amino-1-buten-3-one
A
- 36357-38-7
1-(6-methyl-pyridin-3-yl)-ethanone
B
- 51227-30-6
1-(4-methyl-pyridin-3-yl)-ethanone
| Conditions | Yield |
|---|---|
| for 15h; heating on water bath; | A 47% B n/a |
| for 15h; heating on water bath; |
- 104-90-5
5-ethyl-2-methyl-pyridine
- 36357-38-7
1-(6-methyl-pyridin-3-yl)-ethanone
| Conditions | Yield |
|---|---|
| Stage #1: 5-ethyl-2-methyl-pyridine With sulfuric acid; acetic anhydride; acetic acid Stage #2: With chromium(VI) oxide at 10 - 20℃; Stage #3: With sodium carbonate In water | 31% |
| Stage #1: 5-ethyl-2-methyl-pyridine With chromium(VI) oxide; sulfuric acid; acetic anhydride In acetic acid at 20 - 30℃; for 24h; Stage #2: With sodium carbonate In water |
A
- 36357-38-7
1-(6-methyl-pyridin-3-yl)-ethanone
B
- 74-90-8
hydrogen cyanide
| Conditions | Yield |
|---|---|
| beim Aufbewahren an der Luft; |
- 5436-21-5
acetylacetaldehyde dimethyl acetal
- 2976-86-5
1-amino-1-buten-3-one
- 36357-38-7
1-(6-methyl-pyridin-3-yl)-ethanone
| Conditions | Yield |
|---|---|
| With ammonium acetate; acetic acid |
- 2976-86-5
1-amino-1-buten-3-one
- 4643-20-3
(E)-4-chloro-3-buten-2-one
- 36357-38-7
1-(6-methyl-pyridin-3-yl)-ethanone
- 21683-58-9
ethyl 3-(2-methyl-5-pyridinyl)-3-oxopropanoate
- 36357-38-7
1-(6-methyl-pyridin-3-yl)-ethanone
| Conditions | Yield |
|---|---|
| With sulfuric acid for 2h; Heating; Yield given; | |
| With sulfuric acid; water for 2h; Product distribution / selectivity; Heating / reflux; |
- 676-58-4
methylmagnesium chloride
- 221615-71-0
N-methoxy-N-methyl-6-methylnicotinamide
- 36357-38-7
1-(6-methyl-pyridin-3-yl)-ethanone
| Conditions | Yield |
|---|---|
| In tetrahydrofuran Substitution; |
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Chemistry
Molecular Structure of 5-Acetyl-2-methylpyridine (CAS NO.36357-38-7):
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IUPAC Name: 1-(6-methylpyridin-3-yl)ethanone
Empirical Formula: C8H9NO
Molecular Weight: 135.1632
H bond acceptors: 2
H bond donors: 0
Freely Rotating Bonds: 1
Polar Surface Area: 29.96 Å2
Index of Refraction: 1.512
Molar Refractivity: 39.19 cm3
Molar Volume: 130.4 cm3
Surface Tension: 38.1 dyne/cm
Density: 1.036 g/cm3
Flash Point: 103.9 °C
Enthalpy of Vaporization: 47.03 kJ/mol
Boiling Point: 233.6 °C at 760 mmHg
Vapour Pressure: 0.0553 mmHg at 25°C
EINECS: 252-995-8
Product Categories: Pyridine; Heterocyclic Compounds; Nucleotides and Nucleosides; Bases & Related Reagents; Nucleotides; Pyridines
InChI
InChI=1/C8H9NO/c1-6-3-4-8(5-9-6)7(2)10/h3-5H,1-2H3
Smiles
n1cc(C(=O)C)ccc1C
Specification
5-Acetyl-2-methylpyridine , with CAS number of 36357-38-7, can be called 1-(6-methylpyridin-3-yl)ethan-1-one ; 1-(6-Methyl-3-pyridinyl)-ethanone ; 2-Methyl-5-acetylpyridine ; 5-Acetyl-2-picoline ; Methyl 6-Methyl-3-pyridyl Ketone ; Ethanone, 1-(6-methyl-3-pyridinyl)- ; 5-Acetyl-2-methylpyridine . It is a pale-yellow oil.