| Identification | Back Directory | [Name]
3-METHOXY-PYRIDINE-2-CARBALDEHYDE | [CAS]
1849-53-2 | [Synonyms]
3-Methoxypicolinaldehyde
3-METHOXY-PYRIDINECARBOXALDEHYDE
3-METHOXY-PYRIDINE-2-CARBALDEHYDE
3-METHOXY-2-PYRIDINECARBOXALDEHYDE
3-Methoxypyridine-2-carboxaldehyde
2-Pyridinecarboxaldehyde, 3-methoxy-
3-Methoxy-2-pyridinecarboxaldehyde ,97% | [Molecular Formula]
C7H7NO2 | [MDL Number]
MFCD05664031 | [MOL File]
1849-53-2.mol | [Molecular Weight]
137.14 |
| Chemical Properties | Back Directory | [Melting point ]
67-68 °C | [Boiling point ]
239.4±20.0 °C(Predicted) | [density ]
1.159±0.06 g/cm3(Predicted) | [storage temp. ]
Inert atmosphere,Store in freezer, under -20°C | [form ]
solid | [pka]
3.19±0.10(Predicted) | [Appearance]
Light yellow to green yellow Solid | [InChI]
InChI=1S/C7H7NO2/c1-10-7-3-2-4-8-6(7)5-9/h2-5H,1H3 | [InChIKey]
GHKILJGWQPBQGL-UHFFFAOYSA-N | [SMILES]
C1(C=O)=NC=CC=C1OC |
| Safety Data | Back Directory | [Hazard Codes ]
Xn | [Risk Statements ]
22-37/38-41 | [Safety Statements ]
26-39 | [WGK Germany ]
WGK 3 | [HS Code ]
2933399990 | [Storage Class]
11 - Combustible Solids | [Hazard Classifications]
Acute Tox. 4 Oral
Eye Dam. 1
Skin Irrit. 2
STOT SE 3 |
| Hazard Information | Back Directory | [Uses]
3-Methoxypyridine-2-carbaldehyde is a useful reactant and reagent for organic reactions and synthesis. | [Synthesis Reference(s)]
Tetrahedron Letters, 29, p. 773, 1988 DOI: 10.1016/S0040-4039(00)80206-3 | [Synthesis]
General procedure for the synthesis of 3-methoxypyridine-2-carbaldehyde using 3-methoxy-2-methylpyridine as starting material: selenium dioxide (478 mg, 4.30 mmol) was dissolved in dioxane (8 mL) and heated to 80 °C. Subsequently, a solution of 3-methoxy-2-methylpyridine (265 mg, 2.15 mmol) in dioxane (2 mL) was slowly added. The reaction mixture was continuously stirred at 80 °C for 18 hours. After completion of the reaction, the mixture was cooled to room temperature and filtered to remove insoluble impurities. The filtrate was concentrated under reduced pressure to remove the solvent to give the crude product. Finally, the crude product was purified by column chromatography to afford the target compound 3-methoxypyridine-2-carboxaldehyde as a yellow gel in 27% yield. | [References]
[1] Patent: CN103570683, 2018, B. Location in patent: Paragraph 0748; 0753; 0757; 0758 |
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Cool Pharm, Ltd
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