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Synthesis and Multiple Subsequent Reactivity of Anionic cyclo ‐E 3 Ligand Complexes (E=P, As)
A synthetic pathway for the synthesis of novel anionic sandwich complexes with a cyclo-E3 (E=P, As) ligand as an end deck was developed giving [Cp′′′Co(η3-E3)]− (Cp′′′=1,2,4-tri-tert-butylcyclopentadienyl, E=P (), As ()) in good yields suitable for further reactivity studies. In the reaction with the chlorophosphanes R2PCl (R=Ph, Cy, tBu), neutral complexes with a disubstituted cyclo-E3P (E=P, As) ligand in [Cp′′′Co(η3-E3PR2)] (E=P (7 a–c), As (9 a–c)) were obtained. These compounds candoi:10.5283/epub.45935 fatcat:dmie6wiivfh5zmiildocpu47eu