Synthesis, Molecular Structure, and Reactivity of Organolanthanide Fluoride Complexes, [{(Me 3 Si) 2 C 5 H 3 } 2 Ln(μ-F)] 2 (Ln = La, Nd, Sm, Gd) and [(C 5 H 5 ) 2 Ln(μ-F)(THF)] 2 (Ln = Y, Yb)

Artigo Revisado por pares

Synthesis, Molecular Structure, and Reactivity of Organolanthanide Fluoride Complexes, [{(Me 3 Si) 2 C 5 H 3 } 2 Ln(μ-F)] 2 (Ln = La, Nd, Sm, Gd) and [(C 5 H 5 ) 2 Ln(μ-F)(THF)] 2 (Ln = Y, Yb)

1998; American Chemical Society; Volume: 17; Issue: 18 Linguagem: Inglês

10.1021/om980162s

ISSN

1520-6041

Autores

Zuowei Xie, Kwoli Chui, Qingchuan Yang, Thomas C. W. Mak, Jie Sun,

Tópico(s)

Organometallic Complex Synthesis and Catalysis

Resumo

Treatment of Me3NHF with 1 equiv of [(Me3Si)2C5H3]3Ln or (C5H5)3Ln in THF gave [{(Me3Si)2C5H3}2LnF]2 (Ln = La (1), Nd (2), Sm (3), Gd (4)) or [(C5H5)2LnF(THF)]2 (Ln = Y (5), Yb (6)) in moderate to good yield. All of them were fully characterized by elemental analyses, spectroscopy, and X-ray analyses. Compound 3 reacted with Na, AlCl3, (C6H5)3SiOH, and 2,6-Pri2C6H3OH to form [(Me3Si)2C5H3]2Sm(THF), [{(Me3Si)2C5H3}2SmCl]2, [(C6H5)3SiO]3Sm(THF)3 (7), and [2,6-Pri2C6H3O]3Sm(THF)3 (8), respectively. The molecular structures of [{(Me3Si)2C5H3}2SmCl]2, 7, and 8 were confirmed by X-ray diffraction study. The 3/NaH system can convert C6H5Br into C6H6 in 32% yield.

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Synthesis, Molecular Structure, and Reactivity of Organolanthanide Fluoride Complexes, [{(Me 3 Si) 2 C 5 H 3 } 2 Ln(μ-F)] 2 (Ln = La, Nd, Sm, Gd) and [(C 5 H 5 ) 2 Ln(μ-F)(THF)] 2 (Ln = Y, Yb)