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. 113583-35-0, name is 2-Methanesulfonyl-4,6-dimethoxypyrimidine. This compound has unique chemical properties. The synthetic route is as follows. Application In Synthesis of 2-Methanesulfonyl-4,6-dimethoxypyrimidine
EXAMPLE 12 Preparation of Methyl 6-(4,6-Dimethoxypyrimidin-2-yl)oxy-3-methyl-benzisoxazol-7-carboxylate (Compound No. 487) A mixture comprising 1.3 g of methyl 6-hydroxy-3-methyl-benzisoxazol-7-carboxylate, 1.4 g of 4,6-dimethoxy-2-methylsulfonylpyrimidine and 1 g of potassium carbonate in 20 ml of N,N-dimethylformamide, was heated and stirred at 70 C. for two hours. The mixture was returned to room temperature, poured into ice water and extracted with ethyl acetate. The organic layer was washed with water and then dried over anhydrous sodium sulfate. Then, it was concentrated under reduced pressure, and the obtained crystals were thoroughly washed with isopropyl ether to obtain 1.6 g (yield: 73%) of the desired compound.
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Reference:
Patent; Kumiai Chemical Industry Co., Ltd.; Ihara Chemical Industry Co., Ltd.; US5616537; (1997); A;,
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