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. 4472-45-1, name is 4-Chloro-2,6-dimethylpyrimidine. This compound has unique chemical properties. The synthetic route is as follows. Safety of 4-Chloro-2,6-dimethylpyrimidine
General procedure: N-(2-Chloropyrimidin-5-yl)acetamide (CAS 1353776-97-2; 0.89 mg, 0.36 mmol) was added to a stirred solution of Intermediate 14 (130 mg, 0.42 mmol) and diisopropylethylamine (0.13 mL, 0.91 mmol) in isopropanol (1.7 mL) at rt. The mixture was stirred at 100 C for 16 h and then the volatiles were evaporated in vacuo. The residue thus obtained was purified by flash column chromatography (silica gel, MeOH in DCM, 0/100 to 10/90). The desired fractions were concentrated in vacuo to yield a crude product that was further purified by RP HPLC (stationary phase: CI 8 XBridge 30 x 100 mm 5 muetaiota; mobile phase: gradient from 90% lOmM NH4CO3H pH 9 solution in water, 10% CH3CN to 0% lOmM NH4CO3H pH 9 solution in water, 100% CH3CN). The desired fractions were concentrated in vacuo to yield product 16 (40 mg, 27% yield) as a solid.
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Reference:
Patent; JANSSEN PHARMACEUTICA NV; BARTOLOME-NEBREDA, Jose Manuel; TRABANCO-SUAREZ, Andres Avelino; MARTINEZ VITURRO, Carlos Manuel; (116 pag.)WO2018/141984; (2018); A1;,
Pyrimidine | C4H4N2 – PubChem,
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