Abstract
New organosilicon compounds 1–3 featuring bulky triphenylsilyl moieties attached to rigid linear or trigonal spacer units have been synthesized and demonstrated to act as clathrate hosts, yielding crystalline inclusion compounds mostly with apolar and aprotic dipolar guest molecules, while the nonbulky dimethylphenylsilyl or trimethylsilyl substituted analogous compounds 4 and 5, which were also synthesized, proved inefficient. X-ray crystal structures of the inclusion compounds 1·DMF (1:1), 1·pyridine (1:1), 2·1,4-dioxane (2:1), 2·pyridine (2:1), 2·p-xylene (2:1), 2·H2O (2:1) as well as of the unsolvated compounds 2 and 5 are described, and thermal stability studies of selected clathrates are reported.
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Nitsche, S.I., Weber, E., Seichter, W. et al. Crystalline inclusion compounds derived from bulky organosilicon hosts – design, synthesis, structure and stability. Silicon Chemistry 2, 55–71 (2003). https://doi.org/10.1023/B:SILC.0000047934.01345.7d
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DOI: https://doi.org/10.1023/B:SILC.0000047934.01345.7d