Researchers who often do experiments know that organic synthesis is a process of preparing more complex target molecules from simple raw materials through one or more chemical reactions. Generally, it requires fewer steps,and cheap raw materials. 1104455-41-5, name is Methyl 4-chloro-5-methylpicolinate. A new synthetic method of this compound is introduced below., category: pyridine-derivatives
To a stirred solution of methyl 4-chloro-5-methylpicolinate (220 mg, 1.2 mmol) in DMSO (10 mL) purged and maintained under an inert atmosphere of N2, was added Cu504.5H20 (15 mg, 0.06 mmol.), KOH (336 mg, 6 mmol) and a solution of 1,2-ethanedithiol (226 mg, 2.4 mmol) in water (1 mL). The resulting solution was heated to 90 oC overnight, cooled to 25 oC and concentrated to afford the crude title compound. MS (ES) m/z 170 (M+H).
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Reference:
Patent; CORVUS PHARMACEUTICALS, INC.; HUDSON, Ryan; BEAUSOLEIL, Anne-Marie; (616 pag.)WO2018/89261; (2018); A2;,
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