Pyridine, 3-ethoxy-, 1-oxide (6CI,9CI) synthesis
- Product Name:Pyridine, 3-ethoxy-, 1-oxide (6CI,9CI)
- CAS Number:102074-24-8
- Molecular formula:C7H9NO2
- Molecular Weight:139.15
14773-50-3
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Yield:102074-24-8 87%
Reaction Conditions:
with 3-chloro-benzenecarboperoxoic acid in dichloromethane at 10 - 20; for 22 h;
Steps:
4.1 Step 1: Synthesis of 3-ethoxypyridine 1-oxide
3-ethoxypyridine (1.683 g, 13.67 mmol) was dissolved in DCM (32.5 mL), and then m-chloroperoxybenzoic acid (3.07 g, 17.77 mmol) was added at 10° C. and stirred at room temperature for 22 hours. Sodium thiosulfate was added and stirred at 15° C. for 3 hours. After the reaction was completed, it was extracted with DCM. The solvent was removed under reduced pressure and purified by column chromatography to obtain the desired product (yield 87%).
References:
KR2022/31521,2022,A Location in patent:Paragraph 0168-0173
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