Abstract
Reaction of Sml2(THF)2 with metallic lithium andtrans-stilbene in 1:2:2 ratio in DME gives the stilbene complex of divalent samarium (PhCHCHPh)Sm(DME)2. This complex reacts with hydrogen in THF to give SmH2(THF)2 and 1,2-diphenylethane. The reaction with (Me3Si)2NH gives the amide [(Me3Si)2N]2Sm(DME)2 and the reaction with triphenylgermane yields Ph3GeGePh3. Reaction of CpLuCl2(THF)2 with 2 equivalents of [PhCHCHPh]·−Na+ in DME results in the dimerization of stilbene fragments to give anate-complex {Cp2Lu[μ-CH (Ph)CH(Ph)CH(Ph)CH(Ph)]}Na(DME)3. In the reaction of Cp2GdCl with [PhCHCHPh]·−Na+, the known complex Cp3Gd(THF) was isolated as the only lanthanidecontaining product.
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Published inIzvestiya Akademii Nauk. Seriya Khimicheskaya, No. 8, pp. 1442–1446, August, 2000.
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Trifonov, A.A., Fedorova, E.A., Kirillov, E.N. et al. Study of reactions of some halides, cyclopentadienyl dichlorides, and bis(cyclopentadienyl) chlorides of lanthanides withtrans-stilbene adducts with alkali metals [PhCHCHPh]·−M+ (M=Li, Na). Russ Chem Bull 49, 1436–1439 (2000). https://doi.org/10.1007/BF02495093
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DOI: https://doi.org/10.1007/BF02495093