| 摘要 |
<p>5-Haloalkyl-1,3,4-thiadiazol-2-yl oxy-acetamide derivs. of formula (I): R1 = haloalkyl other than CF3; R2, R3 = H, alkyl, alkenyl, alkynyl, opt. substd. cycloalkyl or cycloalkenyl, haloalkyl, alkoxyalkyl, alkoxyalkylenoxy, alkoxy, aralkyl, or opt. substd. aryl; of NR2R3 = opt. substd. and/or unsaturated heterocycle opt. contg. further hetero atoms. Starting materials 2-chloro-5-chlorodifluorome thyl -1,3,4-thiadiazole and 2-chloro-5-dichlorofluoromethyl -1,3,4-thiadiazole are also new.</p> |
