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. 22536-64-7, name is 2-Chloro-4-methoxy-6-methylpyrimidine. This compound has unique chemical properties. The synthetic route is as follows. Formula: C6H7ClN2O
A mixture of tert-butyl 4-(4-hydroxyphenyl)piperazine- 1 -carboxylate (2.78 g, 10.0 mmol), 2-chloro-4-methoxy-6-methylpyrimidine (1.74 g, 11.0 mmol) and sodium carbonate (1.16 g, 11.0 mmol) in acetonitrile (10 mL) was heated to 80C and stirred for 20 hours under an N2 atmosphere. The reaction mixture was then cooled to rt. The resulting mixture was filtered and the filtrate was concentrated in vacuo. The residue was purified by silica gel column chromatography (PE/EtOAc (v/v) = 10/1) to give the title compound as a white solid (1.02 g, 25.5%). The compound was characterized by the following spectroscopic data:LC-MS (ESI, pos. ion) m/z: 401.2 [M + H] and?HNMR(400 MHz, CDC13) (ppm): 7.13 -7.11 (m, 2H), 6.96-6.92 (m, 2H), 6.27 (s, 1H), 3.84(s, 3H), 3.59 (t, J 4.8 Hz, 4H), 3.11 (t, J= 4.7 Hz, 4H), 2.33 (s, 3H), 1.48 (s, 9H).
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Reference:
Patent; SUNSHINE LAKE PHARMA CO., LTD.; ZHANG, Yingjun; JIN, Chuanfei; CHENG, Changchung; WO2015/169180; (2015); A1;,
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