Synthesis of herbicidal sulfonylurea compounds with imidazo (2, 1-b) thiazole moiety
1993
Ohta, K. (Takeda Chemical Industries Ltd., Osaka (Japan)) | Itoh, S. | Yamada, J. | Masumoto, K. | Yoshikawa, H. | Ishida, Y.
Seventeen derivatives of imidazo[2,1-b]thiazol-5-ylsulfonylurea were synthesized and their herbicidal activities were examined. Among them, 1-(6-chloroimidazo[2,1-b]thiazol-5-ylsulfonyl)-3-(4,6-dimeth oxypyrimidin-2-yl)urea 13 was most effective in controlling paddy weeds without any phytotoxicity to rice plants and with the activity comparable to that of TH-913
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