反应方程式
[H-].[Na+].[O:3]1[CH2:7]CC[CH2:4]1.[Br:8][C:9]1[CH:10]=[C:11]([CH:17]=[CH:18][C:19]=1[OH:20])[C:12]([O:14][CH2:15][CH3:16])=[O:13].COCCl>C(OCC)(=O)C>[Br:8][C:9]1[CH:10]=[C:11]([CH:17]=[CH:18][C:19]=1[O:20][CH2:4][O:3][CH3:7])[C:12]([O:14][CH2:15][CH3:16])=[O:13]参与物
实验过程
5.5 g of sodium hydride was added to a tetrahydrofuran (300 ml) solution of 20.5 g of ethyl 3-bromo-4-hydroxybenzoate produced according to the method described in Monatsh. Chem.; 22; 1901; 437, with cooling with ice, and the reaction liquid was stirred for 30 minutes, and then, at the same temperature, 10 ml of chloromethyl methyl ether was added to the reaction liquid, and the reaction liquid was stirred overnight at room temperature. The reaction liquid was diluted with ethyl acetate, and washed with water, and the aqueous layer was extracted with ethyl acetate, and dried with anhydrous magnesium sulfate. The solvent was evaporated away under reduced pressure, and the resulting solid was suspended in hexane and then taken out through filtration to obtain the entitled compound as a white solid.
后处理
- customproduced
- temperature437, with cooling with ice
- customthe reaction liquid
- customthe reaction liquid
- stirringwas stirred overnight at room temperature
- customThe reaction liquid
- washwashed with water
- extractionthe aqueous layer was extracted with ethyl acetate
- dry with materialdried with anhydrous magnesium sulfate
- customThe solvent was evaporated away under reduced pressure
- filtrationtaken out through filtration
来源与证据
- ORD记录
- ord-39773446c1b64b71b3c66c90f66f485a
- 来源数据集
- uspto-grants-2010_06
- 专利号
- US07728025B2
关联笔记
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