ChemicalBook--->CAS DataBase List--->902837-52-9

902837-52-9

902837-52-9 Structure

902837-52-9 Structure
IdentificationBack Directory
[Name]

2-ETHOXY-5-IODO-PYRIDINE
[CAS]

902837-52-9
[Synonyms]

2-ETHOXY-5-IODO-PYRIDINE
Pyridine, 2-ethoxy-5-iodo-
3-Bromo-4-amino-5-iodopyridine
2-ETHOXY-5-IODO-PYRIDINE ISO 9001:2015 REACH
2-ETHOXY-5-IODO-PYRIDINE 2-ETHOXY-5-IODO-PYRIDINE
[Molecular Formula]

C7H8INO
[MDL Number]

MFCD07781181
[MOL File]

902837-52-9.mol
[Molecular Weight]

249.05
Chemical PropertiesBack Directory
[Boiling point ]

253℃
[density ]

1.714
[Fp ]

107℃
[storage temp. ]

2-8°C(protect from light)
[pka]

2.01±0.22(Predicted)
[Appearance]

White to off-white Solid
[Sensitive ]

Light Sensitive
[CAS DataBase Reference]

902837-52-9
Safety DataBack Directory
[Symbol(GHS) ]

Exclamation Mark (GHS07)
GHS07
[Signal word ]

Warning
[Hazard statements ]

H315-H319-H335
[Precautionary statements ]

P261-P280a-P304+P340-P305+P351+P338-P405-P501a
[HS Code ]

2933399990
Spectrum DetailBack Directory
[Spectrum Detail]

2-ETHOXY-5-IODO-PYRIDINE(902837-52-9)1HNMR
Hazard InformationBack Directory
[Synthesis]

2-Chloro-5-iodopyridine

69045-79-0

Ethanol

64-17-5

2-ETHOXY-5-IODO-PYRIDINE

902837-52-9

2-Chloro-5-iodopyridine (800 mg, 3.34 mmol, 1.0 eq.) was added to a solution of sodium (530 mg, 24.1 mmol, 7.2 eq.) in ethanol (15 mL) and the reaction mixture was refluxed for 12 hours. Upon completion of the reaction, ethanol was removed by distillation under reduced pressure and the residue was quenched with water. Subsequently, the reaction mixture was extracted with ethyl acetate (50 mL × 2). The organic phases were combined, washed sequentially with water (20 mL × 3) and saturated saline, and dried over anhydrous sodium sulfate. The organic phase was concentrated under reduced pressure and the residue was purified by column chromatography (silica gel 100-200 mesh, eluent 2% ethyl acetate-hexane) to afford 2-ethoxy-5-iodopyridine in 60% yield.

[References]

[1] Patent: WO2010/127208, 2010, A1. Location in patent: Page/Page column 58-59
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