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Manganese and Cesium Derivatives of the Bulky Bidentate Ligand C(SiMe3)2SiMe2CH2CH2Me2Si(Me3Si)2C. Crystal Structures of Li(THF)2.75(Et2O)0.25(μ-Cl)- MnC(SiMe3)2SiMe2CH2CH2Me2Si(Me3Si)2C and (C6H6)3CsC(SiMe3)2SiMe2CH2CH2Me2Si(Me3Si)2CCs(C6H6)3

Lookup NU author(s): Emeritus Professor Bill Clegg, Dr Keith Izod, Paul O'Shaughnessy

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Abstract

The reaction between the lithate [Li(THF)(4)]-[CH2SiMe2C(SiMe3)(2)LiC(SiMe3)(2)SiMe2CH2] and MnCl2 has given a chloride-bridged high-spin lithium manganate, isolated as Li(THF)(2.75)(Et2O)(0.25)(mu-Cl)MnC(SiMe3)(2)SiMe2CN2CH2Me2Si(Me3Si)(2)C, shown by an X-ray study to contain three-coordinate planar manganese. The ligand precursor HC(SiMe3)(2)SiMe2CH2CH2Me2Si(Me3Si)(2)CH reacts with methylcesium to give a compound isolated after recrystallization from benzene as (C6H6)(3)CsC(SiMe3)SiMe2CH2CH2Me2Si(Me3Si)(2)CCs(C6H6)(3), in which benzene solvate molecules show a variety of hapticities.


Publication metadata

Author(s): Eaborn C, Hitchcock PB, Smith JD, Zhang SB, Clegg W, Izod K, O'Shaughnessy P

Publication type: Article

Publication status: Published

Journal: Organometallics

Year: 2000

Volume: 19

Issue: 6

Pages: 1190-1193

ISSN (print): 0276-7333

ISSN (electronic): 1520-6041

Publisher: American Chemical Society

URL: http://dx.doi.org/10.1021/om991020g

DOI: 10.1021/om991020g


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