As we all know, there are many different methods for the synthesis of a compound, and people can choose the synthesis method that suits their own laboratory according to the actual situation. 672-41-3, name is 6-(Trifluoromethyl)pyrimidin-4-amine, molecular formula is C5H4F3N3, The compound is widely used in many fields, so it is necessary to find a new synthetic route. The downstream synthesis method of this compound is introduced below. 672-41-3
To a solution of 2-[6-(2-bromoacetyl)-5-ethylsulfonyl-3-pyridyl]-2-methyl-propanenitrile (275 mg, 0.766 mmol, 1.00 equiv.) in acetonitrile (8.0 mL) was added 6-(trifluoromethyl)pyrimidin-4-amine (142 mg, 0.842 mmol, 1.10 equiv.) [prepared as described in W02015/000715) at room temperature under argon atmosphere. The resulting mixture was heated to 90 C for 2 days. The reaction mixture wascooled down at room temperature and diluted with ethyl acetate and satuared ammonium chloride solution. The aqueous layer was separated and extracted twice with ethyl acetate. The organic layers were combined, dried over anhydrous sodium sulfate, filtered, and concentrated under reduced pressure. The crude product was purified reverse phase HPLC to obtain the title compound. LCMS (method 2): 424 (M+H) retention time: 1.38 mm.
The chemical industry reduces the impact on the environment during synthesis 672-41-3, I believe this compound will play a more active role in future production and life.
Reference:
Patent; SYNGENTA PARTICIPATIONS AG; RENDLER, Sebastian; EDMUNDS, Andrew; MUEHLEBACH, Michel; EMERY, Daniel; RAWAL, Girish; SEN, Indira; SIKERVAR, Vikas; (105 pag.)WO2019/53182; (2019); A1;,
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