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Studies on Mixed Trialkyltin Deriatives(Ⅸ)──The Preparation and Biological Activities of Mixed Methyldicyclohexyltin Carboxylates

YANG Zhi-Qiang;JIANG Li;SHAN Shu-Xiang;XIE Qing-Lan(Insititute of Elemento-organic Chemistry, Nankai University, Tianjin,300071)  
The preparation and characterization of twenty-seven novel mixed methyldicyclohexyltin carboxylates are reported and their biological activities are tested.The compounds(except compound 24) are five coordinate, carboxylate-bridged polymers which dissociate into four coordinate monomers when dissolved in solvent CCl_4.The compounds show high acaricidal activities and high in vivo fungicidal activities. There is no obvious regularity for the herbicidal activity.But the results of soil treatment are better than those of stem and leaf treatment.
【Fund】: 国家自然科学基金
【CateGory Index】: O627
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