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以丙二酸二异丙酯、二硫化碳、氢氧化钠、二氯乙烷为原料，采用季铵盐相转移催化法合成稻瘟灵，收率≥７７％，纯度≥９５％。
Diisopropylmalonate, carbon disulfide, sodium hydroxide, dichloroethane as raw materials, quaternary ammonium salt phase transfer catalysis synthesis of rice blast, the yield ≥77%, purity ≥95%.