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Volumn 28, Issue 14, 2009, Pages 3970-3972

C-H and Si-N bond oxygenations of a divalent ytterbium amide of the pyrrolyl-cyclopentadienyl ligand

Author keywords

[No Author keywords available]

Indexed keywords

CYCLOPENTADIENYL LIGANDS; DINUCLEAR; DIOXYGEN; LANTHANIDE AMIDES; PYRROLYL; SI-N BONDS;

EID: 67651055375     PISSN: 02767333     EISSN: None     Source Type: Journal    
DOI: 10.1021/om9004127     Document Type: Article
Times cited : (17)

References (43)
  • 1
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    • For reviews, see: a
    • For reviews, see: (a) Evans, W. J. Polyhedron 1987, 6, 803.
    • (1987) Polyhedron , vol.6 , pp. 803
    • Evans, W.J.1
  • 22
    • 0343889802 scopus 로고    scopus 로고
    • For leading reviews on ansa-metallocenes, see: a
    • For leading reviews on ansa-metallocenes, see: (a) Alt, H. G.; Köppl, A. Chem. Rev. 2000, 100, 1205.
    • (2000) Chem. Rev , vol.100 , pp. 1205
    • Alt, H.G.1    Köppl, A.2
  • 33
    • 67651057327 scopus 로고    scopus 로고
    • 1: Mp: 37-39 °C. 1H NMR (CDCl3, δ 0.29 (s, 6H, SiMe2, 1.65 (s, 6H, Cp-Me2, 1.81 (s, 6H, Cp-Me2, 3.12 (m, 1H, Cp-CH, 6.33 (s, 2H, pyrrole-H, 6.81 (s, 2H, pyrrole-H, 13C NMR (CDCl 3, δ -3.78, 11.14, 13.00, 55.18, 110.68, 123.25, 131.63, 137.09. Anal. Calcd for C15H23NSi (245.44, C, 73.40; H, 9.45; N, 5.71. Found: C, 73.18; H, 9.25; N, 5.59.2: A mixture of 1 (0.74 g, 3.00 mmol) and Yb[N(SiMe3)2]2(THF)2 (1.92 g, 3.00 mmol) in toluene (50 mL) was stirred at room temperature for 5 h and then at 60 °C for 2 d. The solution was concentrated (ca. 15 mL) and stored at 40 °C overnight to give dark green crystals of 2 (1.13 g, 65.2, Mp: 235-237 °C. 1H NMR (C6D6, δ 0.19 (s, 18H, SiMe3, 0.48 s, 6H, SiMe2, 2
    • 2 (1027.26): C, 42.13; H, 5.99; N, 4.09. Found: C, 41.64; H, 6.18; N, 3.75.
  • 34
    • 67651066581 scopus 로고    scopus 로고
    • Crystallographic data for 2: C2|H40N 2Si3Yb, M=577.85, monoclinic, space group P2(1)/n,a, 9.0936(18) Å, b, 28.185(6) Å, c= 10.081 (2) Å, α, 90.00°, β, 97.94(3)°, y, 90.00°, V= 2559.0(9) Å3, Z= 4, Dc, 1.497 g · cm-3, F(000, 1164, 20 616 reflections measured (6050 unique, Rl [I> 2σ(I, 0.0280, wR2 (all data, 0.0661. Crystallographic data for 3: C36H 6|N3O2Si4Yb2, M= 1027.26, monoclinic, space group P2(1, n, a= 12.099(2) Å, b, 26.325(5) Å2. c, 13.147(3) Å, α, 90.00°, β, 98.66 (3)°, y, 90.00°, V, 4139.7(14) Å3, Z, 4, Dc= 1.647 g-cm-3, F000, 2040, 28 176 reflections
    • 20
  • 42
    • 84943920736 scopus 로고
    • SHELXS-90/96, Program for Structure Solution
    • Sheldrick, G. M. SHELXS-90/96, Program for Structure Solution. Acta Crystallogr., Sect. A 1990, 46, 467.
    • (1990) Acta Crystallogr., Sect. A , vol.46 , pp. 467
    • Sheldrick, G.M.1
  • 43
    • 0004150157 scopus 로고    scopus 로고
    • Program for Crystal structure Refinement; University of Goettingen: Geottingen, Germany
    • Sheldrick, G. M. SHELXL 97, Program for Crystal structure Refinement; University of Goettingen: Geottingen, Germany, 1997.
    • (1997) SHELXL 97
    • Sheldrick, G.M.1


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.