Abstract
A new procedure was developed for the synthesis of a broad range of ansa-zirconocenes containing bis(2-methyl-4-arylindenyl)dimethylsilane ligands. The method is based on the palladium-catalyzed reaction of halogen-substituted bis(indenyl)dimethylsilanes with various organozinc compounds. The aryl-substituted bridging ligands thus prepared serve as the starting compounds for the synthesis of ansa-zirconocenes, which can be used as components of promising catalysts for propylene polymerization.
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Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 11, pp. 2253–2261, November, 2008.
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Nikulin, M.V., Tsarev, A.A., Lygin, A.V. et al. Palladium-catalyzed arylation of bis(4-bromo-2-methylinden-1-yl)dimethylsilane and related compounds. Russ Chem Bull 57, 2298–2306 (2008). https://doi.org/10.1007/s11172-008-0325-z
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DOI: https://doi.org/10.1007/s11172-008-0325-z