2-amino-4 6-dimethylpyrimidine

Ten novel 2 (4,6 dimethyl 2 pyrimidinylthio) acetamides were prepared by reactions of 2 chloro acetamides with 2-amino-4 6-dimethylpyrimidine in butanone.Their structures were identified by IR, 1HNMR and MS.At 50mg/L in vitro.The title compounds Ⅰshowed good fungicidal activities at 1000mg/L in vivo compound “If” showed 72% and 82% control of erysiphe graminis and puccinia recondita respectively.

Chlorsulfuron 25 % wp manufacturer china

The suspending liquids of soil samples were inoculated into the medium with the carbon and nitrogen sources of Metswfuron Chlorsulfuron 25 % wp ,Butachlor and N-(2,4-dimethylphenyl)-N,S-methyl hydro chloride methanimidamide respectively.The timing mutagenicity tests wrer performed.The mutagenicities of the pesticides mentioned above and cataolites by microbial degradation wrer studied.