The rearrangement of tris(trimethylsilyl)silyltrimethylgermane to give tetrakis(trimethylsilyl)germane was investigated as a typical example for Lewis acid catalyzed Wagner-Meerwein-type rearrangements of polysilanes and polygermasilanes. Direct Si NMR spectroscopic evidence is provided for several cationic intermediates during the reaction. The identity of these species was verified by independent synthesis and NMR characterization, and their transformation was followed by NMR spectroscopy.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4534834 | PMC |
| http://dx.doi.org/10.1021/acs.organomet.5b00431 | DOI Listing |
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