Researchers who often do experiments know that organic synthesis is a process of preparing more complex target molecules from simple raw materials through one or more chemical reactions. Generally, it requires fewer steps,and cheap raw materials. 74115-13-2, name is 5-Bromo-3-pyridinol. A new synthetic method of this compound is introduced below., Product Details of 74115-13-2
A mixture of 3-bromo-5-hydroxypyridine (Aldrich, Buchs, Switzerland, 611 mg, 3.51 mmol), potassium carbonate (971 mg, 7.02 mmol) and 2-bromoethyl methyl ether (537 mg, 3.86 mmol) in 30 ml DMF was stirred for 14 h at rt and for 2 h at 800C The reaction mixture was quenched with water and extracted with EtOAc (2x). The organic layers were washed with brine (3x), dried over Na2SO4, filtered and evaporated. The residue was purified by flash chromatography (dichloromethane/MeOH 0% to 3%) to give the title compound as an oil. (HPLC: tR 2.38 min (Method C); M+H = 232, 234 MS-ES).
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Reference:
Patent; NOVARTIS AG; FURET, Pascal; IMBACH, Patricia; MAH, Robert; STAUFFER, Frederic; WO2010/139747; (2010); A1;,
Pyridine – Wikipedia,
Pyridine | C5H5N – PubChem