In the next few decades, the world population will flourish. As the population grows rapidly and people all over the world use more and more resources, all industries must consider their environmental impact. 62802-42-0, name is 2-Chloro-5-fluoropyrimidine, the common compound, a new synthetic route is introduced below. SDS of cas: 62802-42-0
(3S,5S)-1-(5-Fluoropyrimidin-2-yl)-5-hydroxypiperidine-3-sulfonamide and (3S,5R)-1-(5-fluoropyrimidin-2-yl)-5-hydroxypiperidine-3-sulfonamide and (3R,5S)-1-(5-fluoropyrimidin-2-yl)-5-hydroxypiperidine-3-sulfonamide and (3R,5R)-1-(5-fluoropyrimidin-2-yl)-5-hydroxypiperidine-3-sulfonamide, Example 228.0 (1153) To a 500-mL round-bottomed flask was added Example 228.2 (8.91 g, 37.1 mmol) and Hunig’s base (32.3 mL, 185 mmol) in DMF (80 mL). 2-Chloro-5-fluoro-pyrimidine (18.32 mL, 148 mmol) was then added with stirring. The reaction mixture was stirred at 120 C. for 18 h. LCMS analysis indicated the reaction was complete. The reaction mixture was allowed to cool to RT and then was diluted with water and extracted with DCM. The organic layers were washed with brine and dried over Na2SO4. The solution was then filtered and concentrated in vacuo to give the initial material as an orange oil. The material thus obtained was purified by silica gel chromatography (a gradient of 0-100% EtOAc in DCM), to provide 228.0 (3.7 g, 10.93 mmol, 36% yield) as a light-yellow solid. LCMS-ESI (pos), m/z: 277.0 (M+H)+.
The synthetic route of 62802-42-0 has been constantly updated, and we look forward to future research findings.
Reference:
Patent; AMGEN INC.; CHEN, Xiaoqi; CHEN, Yinhong; CHENG, Alan C.; CONNORS, Richard V.; DEBENEDETTO, Mikkel V.; DRANSFIELD, Paul John; FU, Zice; HARVEY, James S.; HEATH, Julie Anne; HEDLEY, Simon J.; HOUZE, Jonathan; JUDD, Ted C.; KHAKOO, Aarif Yusuf; KOPECKY, David John; LAI, Su-Jen; MA, Zhihua; NISHIMURA, Nobuko; OLSON, Steven H.; PATTAROPONG, Vatee; SWAMINATH, Gayathri; WANG, Xiaodong; YEH, Wen-Chen; (415 pag.)US2017/320860; (2017); A1;,
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