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1. Design, Synthesis and QSAR of Novel 4-(3-trifluoro methylphenyl)-6-methyl-2-arylpyridazin-3(2H)-ones | |||
zhu you-quan,hu xu hong,zhang jin,yuan yan-wei,xu han,zou xiao-mao,hu fang-zhong,yang hua-zheng | |||
Agronomy 29 December 2009 | |||
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Abstract:A series of novel 4-(3-trifluoromethylphenyl)-6-methyl-2-arylpyridazin-3(2H)-ones derivatives were designed, synthesized and evaluated for their bioactivities. Some of them provided > 80 % inhibition of chlorophyll of Spirodela polyrrhiza at 10 μg/ml and and exhibited good herbicidal activities against Digitaria Adscendens at pre-emergence treatment at a dosage of 150 g/ha. Quantitative structure–activity relationship studies were performed on these compounds using physicochemical parameters (electronic, steric) as independent and chlorophyll inhibiting activity as dependent parameter, where chlorophyll inhibiting activity correlated best (r>0.8) with steric(Es ), indicator(HM), van der Waals volume (VN), electronic parameter(σm, σp) in this set of molecules. | |||
TO cite this article:zhu you-quan,hu xu hong,zhang jin, et al. Design, Synthesis and QSAR of Novel 4-(3-trifluoro methylphenyl)-6-methyl-2-arylpyridazin-3(2H)-ones[OL].[29 December 2009] http://en.paper.edu.cn/en_releasepaper/content/38239 |
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