Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 6693-08-9, name is 2,4,6-Trichloro-5-fluoropyrimidine. This compound has unique chemical properties. The synthetic route is as follows. Safety of 2,4,6-Trichloro-5-fluoropyrimidine
A suspension of 2,4,6-trichloro-5-fluoropyrimidine (2.21g, 8.78 mmol), (+/-)-trans-methyl 3-aminobicyclo[2.2.2]octane-2-carboxylate (1.75 g, 8.78 mmol) and K2C03 (2.43 g, 17.60 mmol) in DMF (5 mL) was stirred at rt overnight. H20 (100 mL) was added to quench the reaction, and the resulting mixture was extracted with EtOAc (50 mL x 3). The combined organic layers were washed with saturated brine (80 mL x 3), dried over anhydrous sodium sulfate, filtered, and the filtrate was concentrated in vacuo. The residue was purified by silica gel chromatograph (PE/EtOAc (v/v) = 5/1) to give the tilte compound as a white solid (2.71 g, 89 %).MS (ESI, pos. ion) m/z: 348.0 [M+H]t
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Reference:
Patent; SUNSHINE LAKE PHARMA CO., LTD.; REN, Qingyun; TANG, Changhua; YIN, Junjun; YI, Kai; LEI, Yibo; WANG, Yejun; ZHANG, Yingjun; (215 pag.)WO2018/127096; (2018); A1;,
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