2-Methyl-2-thiopseudourea sulfate → 2-(Methylsulfanyl)-4-[4-(methylsulfanyl)phenyl]-6-(trifluoromethyl)pyrimidine

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반응 단계

To a mixture of 4,4,4-trifluoro-1-[4-(methylthio)phenyl]butane-1,3-dione (5 g) and 2-methyl-2-thiopseudourea sulfate (5.1 g, 0.98 eq) in acetic acid (100 ml) was added sodium acetate (3 g, 2 eq) and heated under reflux for 8 h. The mixture was concentrated in vacuo and water (100 ml) added to give a solid, which was isolated by filtration to give the title compound as a yellow solid (5.8 g, quantitative).

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