2-(dimethylphosphinomethyl)- and 2-(methylthlomethyl)phenyl silicon compounds: higher coordination with soft donors

Berlekamp UH, Mix A, Neumann B, Stammler H-G, Jutzi P (2003)
JOURNAL OF ORGANOMETALLIC CHEMISTRY 667(1-2): 167-175.

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The synthesis of trimethoxy-, trifluoro-, trihydrido-, and hydrido(phenyl)chlorosilanes, and of hydrido(phenyl)silyltriflates bearing an additional 2-(dimethylphosphinomethyl)phenyl- or a 2-(methylthiomethyl)phenyl substituent is described. The coordination of the phosphorus and sulfur donor in the aryl side chain to the silicon center is discussed on the basis of NMR spectroscopic investigations. The trimethoxy and trifluorosilanes do not show any coordination. Weak donor-silicon interactions are found in the trihydrido- and in the hydrido(phenyl)chlorosilanes. The crystal structure of chloro-bis-[(2-(methylthiomethyl)phenyl]silane (13) [Angew. Chem. 111 (1999) 2071] features a distorted tetrahedral geometry at silicon with an additional weak donor-coordination. Different structural properties were found in the corresponding P- and S-donor functionalized phenylsilyl triflates. The S-donor compound 15 features a covalent structure with pentacoordination and a trigonal-bipyramidal geometry at the silicon atom. In the analogous P-donor derivative 14 the spectroscopic data indicate an ionic structure with a tetracoordinated silicon atom. (C) 2002 Elsevier Science B.V. All rights reserved.
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Berlekamp UH, Mix A, Neumann B, Stammler H-G, Jutzi P. 2-(dimethylphosphinomethyl)- and 2-(methylthlomethyl)phenyl silicon compounds: higher coordination with soft donors. JOURNAL OF ORGANOMETALLIC CHEMISTRY. 2003;667(1-2):167-175.
Berlekamp, U. H., Mix, A., Neumann, B., Stammler, H. - G., & Jutzi, P. (2003). 2-(dimethylphosphinomethyl)- and 2-(methylthlomethyl)phenyl silicon compounds: higher coordination with soft donors. JOURNAL OF ORGANOMETALLIC CHEMISTRY, 667(1-2), 167-175.
Berlekamp, U. H., Mix, A., Neumann, B., Stammler, H. - G., and Jutzi, P. (2003). 2-(dimethylphosphinomethyl)- and 2-(methylthlomethyl)phenyl silicon compounds: higher coordination with soft donors. JOURNAL OF ORGANOMETALLIC CHEMISTRY 667, 167-175.
Berlekamp, U.H., et al., 2003. 2-(dimethylphosphinomethyl)- and 2-(methylthlomethyl)phenyl silicon compounds: higher coordination with soft donors. JOURNAL OF ORGANOMETALLIC CHEMISTRY, 667(1-2), p 167-175.
U.H. Berlekamp, et al., “2-(dimethylphosphinomethyl)- and 2-(methylthlomethyl)phenyl silicon compounds: higher coordination with soft donors”, JOURNAL OF ORGANOMETALLIC CHEMISTRY, vol. 667, 2003, pp. 167-175.
Berlekamp, U.H., Mix, A., Neumann, B., Stammler, H.-G., Jutzi, P.: 2-(dimethylphosphinomethyl)- and 2-(methylthlomethyl)phenyl silicon compounds: higher coordination with soft donors. JOURNAL OF ORGANOMETALLIC CHEMISTRY. 667, 167-175 (2003).
Berlekamp, UH, Mix, Andreas, Neumann, B, Stammler, Hans-Georg, and Jutzi, Peter. “2-(dimethylphosphinomethyl)- and 2-(methylthlomethyl)phenyl silicon compounds: higher coordination with soft donors”. JOURNAL OF ORGANOMETALLIC CHEMISTRY 667.1-2 (2003): 167-175.
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