Twelve novel bis-benzoylphenylurea chitin inhibitor derivatives have been synthesized in over 30~50% yield from chlorothalonil via sequential fluorine exchange, nitrile hydrolysis, decarboxylation and acylation reactions.%从原料百菌清出发,经过氟交换、氨解、水解、脱羧和酰化反应,合成得到12个新型双苯甲酰基脲类几丁质抑制剂衍生物,总收率超过30%~50%.
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