Russian Chemical Bulletin p. 1436 - 1439 (2000)
Update date:2022-08-02
Topics: Ligands Alkali metals Coordination Chemistry Redox Reactions Experimental terms Halides Adducts Organometallic chemistry Cyclopentadienyl dichlorides Bis(cyclopentadienyl) chlorides of lanthanides Trans-stilbene
Trifonov
Fedorova
Kirillov
Bochkarev
Girgsdies
Schumann
Reaction of Sml2(THF)2 with metallic lithium and trans-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 an ate-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 lanthanide-containing product.
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