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Manganese and cesium derivatives of the bulky bidentate ligand C(SiMe3)2SiMe2CH2CH 2Me2Si(Me3Si)2C. Crystal structures of Li(THF)2.75(Et2O)0.25(μ-Cl)-MnC(SiMe 3)2SiMe2CH2CH2Me 2Si(Me3Si)2C

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

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Abstract

The reaction between the lithate [Li(THF)4]-[CH2SiMe2C(SiMe3) 2LiC(SiMe3)2SiMe2CH2] and MnCl2 has given a chloride-bridged high-spin lithium manganate, isolated as Li(THF)2.75(Et2O)0.25(μ-Cl)MnC(SiMe 3)2-SiMe2CH2CH2Me 2Si(Me3Si)2C, shown by an X-ray study to contain three-coordinate planar manganese. The ligand precursor HC(SiMe3)2SiMe2CH2CH 2Me2Si(Me3-Si)2CH reacts with methylcesium to give a compound isolated after recrystallization from benzene as (C6H6)3-CsC(SiMe3) 2SiMe2CH2CH2Me2Si(Me 3Si)2CCs(C6H6)3, in which benzene solvate molecules show a variety of hapticities.

Publication metadata

Author(s): Eaborn C, Hitchcock PB, Smith JD, Zhang S, 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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