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. 111196-81-7, name is 2-Chloro-5-ethylpyrimidine. A new synthetic method of this compound is introduced below., Quality Control of 2-Chloro-5-ethylpyrimidine
To a solution of 4-hydroxypiperidine (710 mg) in ethanol (5 mL) was added 5-ethyl-2-chloropyrimidine (425 muL), and the mixture was stirred at 80C overnight. To the reaction mixture was added water, and then the mixture was extracted with ethyl acetate, and the organic layer was dried over magnesium sulfate and then filtered. The filtrate was concentrated under reduced pressure, and the resulting residue was purified by column chromatography on silica gel (solvent; chloroform/methanol = 100/0 to 90/10) to give 1-(5-ethylpyrimidin-2-yl)piperidin-4-ol (699 mg) as a colorless solid (yield: 96%). MS(APCI)m/z; 208[M+H]+.
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Reference:
Patent; Mitsubishi Tanabe Pharma Corporation; EP2390254; (2011); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia