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. 959070-42-9, name is Ethyl 4,6-dichloro-2-(methylthio)pyrimidine-5-carboxylate. This compound has unique chemical properties. The synthetic route is as follows. Recommanded Product: Ethyl 4,6-dichloro-2-(methylthio)pyrimidine-5-carboxylate
To an ice cold solution of the ethyl ester of 4,6-dicholoro-2-methylthiopyrimidine-5-carboxylic acid (5 g, 18.72 mmol) in tetrahydrofuran (60 ml) was added methyl 3-benzylaminopropanoate (3.61 g, 18.72 mmol) followed by Et3N (2.86 ml, 20.59 mmol). The reaction mixture was stirred at room temperature for 6 hours. It was then diluted with ethyl acetate and washed with water. The organic layer was separated, dried, filtered and concentrated to give the crude product. The crude product was then purified by silica gel flash column chromatography (15% ethyl acetate in hexane) to afford the desired product as a pale yellow solid (6 g, 75% yield). 1H NMR (CDCl3 400 MHz) delta 7.36-7.28 (m, 4H), 7.19 (d, J=6.8 Hz), 4.76 (s, 2H), 4.13-4.08 (q, 2H), 3.74 (t, J=7.2 Hz, 2H), 3.66 (s, 3H), 2.67 (t, J=7.2 Hz), 2.44 (s, 3H), 1.20 (7.2 Hz, 3H).
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Reference:
Patent; ArQule, Inc.; US2010/249110; (2010); A1;,
Pyrimidine | C4H4N2 – PubChem,
Pyrimidine – Wikipedia