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ChemicalBook CAS DataBase List 3,5-Dimethyl-4-methoxy-2-pyridinemethanol
86604-78-6

3,5-Dimethyl-4-methoxy-2-pyridinemethanol synthesis

12synthesis methods
86604-75-3 Synthesis
2-Chloromethyl-4-methoxy-3,5-dimethylpyridine hydrochloride

86604-75-3
579 suppliers
$10.00/1g

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Yield:86604-78-6 83%

Reaction Conditions:

with potassium iodide;sodium hydroxide in methanol;water for 4 h;Reflux;Reagent/catalyst;

Steps:

1.b b. Preparation of 2-hydroxymethyl-3,5-dimethyl-4-methoxypyridine (V)
Take 80 g of 2- (chloromethyl) -4-methoxy-3,5-dimethylpyridine hydrochloride,Add 300 mL of methanol,150 mL water,5.4 g Potassium iodide,40.4 g sodium hydroxide,Stirring heated to reflux, the reaction 4 h.Remove the methanol by rotary evaporation, add 300 mL of drinking water and extract with methylene chloride (150 mL × 3). Combine the organic phases. The organic phase was washed with saturated brine, dried over anhydrous sodium sulfate, concentrated,50.0 g red oily liquid. Yield 83.0%

References:

Weihai Disu Pharmaceutical Co., Ltd.;Disha Pharmaceutical Group Co., Ltd.;Pan Zhaoxi;Zhang Da;Gao Yongchen;Zhang Mingming CN107382963, 2017, A Location in patent:Paragraph 0013; 0017; 0021

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