Multiply trimethylstannyl substituted ferrocenes synthesis, NMR studies, X-ray structural analysis and electrochemistry

Lenze N, Neumann B, Salmon A, Stammler A, Stammler H-G, Jutzi P (2001)
JOURNAL OF ORGANOMETALLIC CHEMISTRY 619(1-2): 74-87.

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Abstract
The Preparation of the novel compounds 1,3-bis(trimethylstannyl)ferrocene 2, 1,2,4-tris(trimethylstannyl)ferrocane 3, 1,1 ' ,3,3 ' -tetrakis(trimethylstannyl)ferrocene 5 and 1,1 ' ,2,2 ' ,4,4 ' -hexakis(trimethylstannyl)ferrocene 6 is described. These ferrocenes as well as (trimethylstannyl)ferrocene 1 and 1,1 ' -bis(trimethylstannyl)ferrocene 4 have been studied by H-1-,C-13- and Sn-119-NMR spectroscopy. For ferrocenes 5 and 6, the activation energy DeltaG(#) for the hindered rotation of the cyclopentadienyl rings has been determined by variable temperature H-1-: C-13- and Sn-119-NMR spectroscopic studies. The molecular structures of 2, 3, 5 and 6 and the electrochemical properties of 1-6 have been investigated. Steric and electronic effects of the trimethylstannyl groups are discussed on the basis of structural and electrochemical data. The observed redox processes are compared with those in multiply silylated ferrocenes. (C) 2001 Elsevier Science B.V. All rights reserved.
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Lenze N, Neumann B, Salmon A, Stammler A, Stammler H-G, Jutzi P. Multiply trimethylstannyl substituted ferrocenes synthesis, NMR studies, X-ray structural analysis and electrochemistry. JOURNAL OF ORGANOMETALLIC CHEMISTRY. 2001;619(1-2):74-87.
Lenze, N., Neumann, B., Salmon, A., Stammler, A., Stammler, H. - G., & Jutzi, P. (2001). Multiply trimethylstannyl substituted ferrocenes synthesis, NMR studies, X-ray structural analysis and electrochemistry. JOURNAL OF ORGANOMETALLIC CHEMISTRY, 619(1-2), 74-87.
Lenze, N., Neumann, B., Salmon, A., Stammler, A., Stammler, H. - G., and Jutzi, P. (2001). Multiply trimethylstannyl substituted ferrocenes synthesis, NMR studies, X-ray structural analysis and electrochemistry. JOURNAL OF ORGANOMETALLIC CHEMISTRY 619, 74-87.
Lenze, N., et al., 2001. Multiply trimethylstannyl substituted ferrocenes synthesis, NMR studies, X-ray structural analysis and electrochemistry. JOURNAL OF ORGANOMETALLIC CHEMISTRY, 619(1-2), p 74-87.
N. Lenze, et al., “Multiply trimethylstannyl substituted ferrocenes synthesis, NMR studies, X-ray structural analysis and electrochemistry”, JOURNAL OF ORGANOMETALLIC CHEMISTRY, vol. 619, 2001, pp. 74-87.
Lenze, N., Neumann, B., Salmon, A., Stammler, A., Stammler, H.-G., Jutzi, P.: Multiply trimethylstannyl substituted ferrocenes synthesis, NMR studies, X-ray structural analysis and electrochemistry. JOURNAL OF ORGANOMETALLIC CHEMISTRY. 619, 74-87 (2001).
Lenze, N, Neumann, B, Salmon, A, Stammler, A, Stammler, Hans-Georg, and Jutzi, Peter. “Multiply trimethylstannyl substituted ferrocenes synthesis, NMR studies, X-ray structural analysis and electrochemistry”. JOURNAL OF ORGANOMETALLIC CHEMISTRY 619.1-2 (2001): 74-87.
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