Synthesis and Pesticidal Properties of Thio and Seleno Analogs of Some Common Urea Herbicides
作者:Jerzy Zakrzewski、Maria Krawczyk
DOI:10.1080/10426500802391692
日期:2009.7.13
Thio and seleno analogs of fenuron, isoproturon, chlorotoluron, metoxuron, monuron, and diuron were synthesized from the corresponding aryl amines. Their reaction with thiophosgene leads to isothiocyanates. Aryl amines were also converted (via isocyanides) to isoselenocyanates. The reaction of both isothio- and isoselenocyanates with dimethylamine affords the corresponding thio and seleno analogs of
fenuron、isoproturon、chlorotoluron、metoxuron、monuron 和 diuron 的硫和硒类似物由相应的芳胺合成。它们与硫光气反应生成异硫氰酸酯。芳胺也被转化(通过异氰化物)为异硒氰酸酯。异硫氰酸酯和异硒氰酸酯与二甲胺的反应得到上述尿素除草剂的相应硫代和硒代类似物。合成化合物的除草活性略低于母体尿素除草剂的活性。硫代和硒代类似物以及母体尿素在 200 ppm 的浓度下对选定的真菌显示出良好的杀真菌活性。