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根据具有不饱和羰基的３－碘－苯并吡喃－４－酮对Ｍｉｃｈａｅｌ加成反应有良好反应活性的特点，利用３－碘－苯并吡喃－４－酮与二甲基硫脲反应合成出新的化合物。
According to the reaction of 3-iodo-chromen-4-one having unsaturated carbonyl group with good reactivity to Michael addition reaction, 3-iodo-chromen-4-one is reacted with dimethyl thiourea Synthesis of new compounds.