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Synthesis of metallocenes of zirconium, hafnium, manganese, iron, tin, lead and half-sandwich complexes of rhodium and iridium containing the ligands (η-C5R4CR′2PMe2), where R and R′ may be H or Me |
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| Authors: | Ronan M Bellabarba Gerald P Clancy Pedro T Gomes Ana M Martins Leigh H Rees Malcolm L H Green |
| Institution: | a Wolfson Catalysis Centre, Inorganic Chemistry Laboratory, South Parks Road, Oxford OX1 3QR, UK b Centro de Química Estrutural, Complexo I, Instituto Superior Técnico, Av. Rovisco Pais, 1049-001 Lisbon, Portugal |
| Abstract: | The dimethylphosphino substituted cyclopentadienyl precursor compounds M(C5Me4CH2PMe2)], where M=Li+ (1), Na+ (2), or K+ (3), and Li(C5H4CR′2PMe2)], where R′2=Me2 (4), or (CH2)5 (5), HC5Me4CH2PMe2H]X, where X−=Cl− (6) or PF6− (7) and HC5Me4CH2PMe2] (8), are described. They have been used to prepare new metallocene compounds, of which representative examples are Fe(η-C5R4CR′2PMe2)2], where R=Me, R′=H (9); R=H and R′2=Me2 (10), or (CH2)5 (11), Fe(η-C5H4CMe2PMe3)2]I2 (12), Fe{η-C5Me4CH2P(O)Me2}2] (13), Zr(η-C5R4CR′2PMe2)2Cl2], where R=H, R′=Me (14), or R=Me, R′=H (15), Hf(η-C5H4CMe2PMe2)2]Cl2] (16), Zr(η-C5H4CMe2PMe2)2Me2] (17), {Zr(η-C5Me4CH2PMe2)2]Cl}{(C6F5)3BClB(C6F5)3} (18), Zr{(η-C5Me4CH2PMe2)2Cl2}PtI2] (19), Mn(η-C5Me4CH2PMe2)2] (20), Mn{(η-C5Me4CH2PMe2B(C6F5)3}2] (21), Pb(η-C5H4CMe2PMe2)2] (23), Sn(η-C5H4CMe2PMe2)2] (24), Pb{η-C5H4CMe2PMe2B(C6F5)3}2] (25), Pb(η-C5H4CMe2PMe2)2PtI2] (26), Rh(η-C5Me4CH2PMe2)(C2H4)] 29, M(η,κP-C5Me4CH2PMe2)I2], where M=Rh (30), or Ir, (31). |
| Keywords: | Functionalised metallocene compounds Chelating cyclopentadienyl-phosphine ligands Chelating cyclopentadienyl-phosphine complexes Bimetallic complexes Derivatised ferrocenes Derivatised manganocenes |
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