Synthesis and properties of alkylvanadium(III) alkoxides |
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| Authors: | GA Razuvaev LI Vyshinskaya VV Drobotenko GYa Mal&#x;kova NN Vyshinsky |
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| Institution: | Institute of Chemistry, Academy of Sciences of U.S.S.R., Gorky U.S.S.R. |
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| Abstract: | The reactions of R3V · THF (R C6F5, CH2SiMe3) with one t-BuOH equivalent result in formation of unstable R2V(Ot-Bu)·THF, which disproportionates readily to VIV and VII compounds. The interaction of V(Ot-Bu)3 with Me3SiCH2Li in diethyl ether is accompanied by formation of the at-complex Me3SiCH2V(Ot-Bu)3]-Li+ which decomposes with formation of (Me3SiCH2)2V(Ot-Bu)2 and V(Ot-Bu)3]-Li+. As a result of exchange reaction of V(Ot-Bu)3 with one mole of RMgX, the complexes RV(Ot-Bu)2·XMgOt-Bu (R Me, X Br, R CH2Ph, CH2SiMe3, C6F5, X Cl) have been obtained. The insertion of carbon dioxide in vanadiumcarbon and vanadiumoxygen bonds has also been investigated. |
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