在碱性条件下,用氨基乙酸与二硫化碳、氯甲酸乙酯反应合成了异硫氰基乙酸乙酯,总收率为4 8。
Isothiocyanatoacetate ester is synthesized by the reaction of aminoacetic acid with carbon disulfide and ethyl chloroformate in the presence of an alkali with the overall yield of 48.
作者研究了杀灭菊酯、二氯苯醚菊酯、氯氰菊酯和溴氰菊酯在青菜、小白菜、豇豆三种蔬菜中的残留降解情况,四种农药的降解半衰期为1.4~3.1天;
Authors researched the degradation of fenvalerate, permethrin, cypermethrin and deltamethrin in 3 vegetables. The half-life of the degradation of 4 Pyrethroids -1.4~3.1 days.
作者研究了杀灭菊酯、二氯苯醚菊酯、氯氰菊酯和溴氰菊酯在青菜、小白菜、豇豆三种蔬菜中的残留降解情况,四种农药的降解半衰期为1.4~3.1天;
Authors researched the degradation of fenvalerate, permethrin, cypermethrin and deltamethrin in 3 vegetables. The half-life of the degradation of 4 Pyrethroids -1.4~3.1 days.
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