期刊
PEST MANAGEMENT SCIENCE
卷 62, 期 6, 页码 522-530出版社
WILEY
DOI: 10.1002/ps.1195
关键词
alpha,alpha,alpha-trifluoro-m-tolyl pyridazinone; herbicidal activity; bleaching activity; crystal structure
A series of novel alpha,alpha,-trifluoro-m-tolyl pyridazinone derivatives was synthesised. Herbicidal activities of the two intermediate compounds and 15 pyridazinone derivatives were evaluated through barnyardgrass and rape cup tests and Spirodela polyrrhiza (L.) Schleiden tests. Selected compounds were also evaluated under greenhouse conditions. Bleaching activities were observed at 10 mu g ml(-1) and some compounds exhibited herbicidal activities at a rate of 300 g ha(-1). The relationship between crystal structures and herbicidal activities is discussed through a comparison of two compounds (5a and 5f). (c) 2006 Society of Chemical Industry.
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