کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1324654 | 1499946 | 2009 | 10 صفحه PDF | دانلود رایگان |

Disodium ethylene-bis-hexamethylindenyl, {(C9Me6)2C2H4}Na2 (EBI∗Na2), has been prepared in good yield by the reaction of lithium heptamethylindenyl with cyanogen bromide followed by treatment with sodium naphthalenide. EBI∗Na2 reacts with anhydrous Co(acac)2 to give a mixture of rac and meso-ethylene-bis-hexamethylindenyl cobalt(II) (EBI∗Co). The isomers can be separated by fractional crystallisation and the rac-isomer has been structurally characterised. Oxidation of the reaction mixture yields both rac and meso-ethylene-bis-hexamethylindenyl cobalt(III) which have both been structurally characterised.
Rac-and meso-ethylene-bis-hexamethylindenyl cobalt(II) (EBI∗Co) have been prepared. The rac and meso isomers can be separated by fractional crystallisation, the rac-isomer has been structurally characterised. Oxidation of the reaction mixture yields both rac-and meso-ethylene-bis-hexamethylindenyl cobalt(III) which have both been structurally characterised.Figure optionsDownload as PowerPoint slide
Journal: Journal of Organometallic Chemistry - Volume 694, Issues 7–8, 1 April 2009, Pages 1059–1068