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产品推荐:2-溴-4-噻唑羧酸(5198-88-9)

别名:2-溴-4-噻唑羧酸
英文名称:2-Bromo-4-thiazolecarboxylic acid
分子式:C4H2BrNO2S
Cas No.:5198-88-9
分子量:208.03
结构式:image.png

规格:95%

外观:黄色固体

用途:基础原料、有机中间体、医药中间体

合成路线如下:

lithium hydroxide; tetrahydrofuran;

Reactants are commercially availlable.
IGNAR, DIANE MICHELE, US2010/113512, A1, (2010) Step 1: 2-Bromo-1,3-thiazole-4-carboxylic Acid A mixture of methyl 2-bromo-1,3-thiazole-4-carboxylat e (4.2 g, 18.9 mmol), THF (120 mL) and 1N lithium hydroxide (50 mL) was heated at 70°C. for 1 h. Th e organic solvent was removed in vacuo. The residual aqueous solution was cooled to 0-5°C. and acid ified to pH1 with 1N HCl solution. The tile compound was obtained by filtration, as a white solid. 1 H NMR (400 MHz, DMSO-d6) delta ppm 8.43 (s, 1H) 13.30 (s, 1H).


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