Novel thiosemicarbazone compound and preparation method thereof
A technology of thiosemicarbazone and thiosemicarbazide, which is applied in the fields of chemicals, biocides, and organic chemistry for biological control, and can solve the problems of single chemical agent, failure, and weakened control effect, and achieve operability strong effect
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[0031] 1. the preparation method of thiosemicarbazone compounds of the present invention
[0032] There are two preparation methods of thiosemicarbazone compounds of the present invention, and each preparation method is simple and convenient, and has strong operability; An example is given:
[0033] (1). One of the specific operation examples of the preparation method
[0034] Take by weighing thiosemicarbazide 0.910g (10mmol), it is dissolved in 60mL absolute methanol, and adds 3.520g (10mmol) griseofulvin and 10mL glacial acetic acid, then heated to reflux reaction under magnetic stirring (in order to guarantee the synthetic Productive rate, the reflux temperature is set to 60-70 ℃, and the reflux time is set to 3-7 days, in the present embodiment, the reflux temperature is 65 ℃, and the reflux time is 5 days), while monitoring the reaction by thin layer chromatography Process, after the reaction is completed, when the reaction system is cooled to room temperature, it is p...
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