The silylation of aryl and alkenyl iodides with hydrosilatrane in the presence of a rhodium(I) catalyst and DABCO provides the corresponding organosilatranes in good yield. The same catalyst system also enables the related coupling of hydrogermatrane.
The crystal structure of 1-p-bromophenylsilatrane at 293 K and 133 K
作者:L. Párkányi、Cs. Kertész、L. Bihátsi、P. Hencsei
DOI:10.1016/s0022-2860(96)09436-7
日期:1996.12
The crystal structure of 1-p-bromophenylsilatrane was determined at ambient and low temperature. The methylene groups of the silatrane skeleton in the beta-position to the nitrogen atom are disordered in the ambient temperature structure. The disorder disappears at 133 K. The Si <-- N dative bond length is nearly identical at bath temperatures (2.139(3) and 2.132(2) Angstrom). The deviation of the atoms in the silatrane moiety from the ideal three-fold symmetry seems to point to the most dynamically behaving parts of the molecule.
Organosilatrane building blocks
作者:Bradley J. Brennan、Devens Gust、Gary W. Brudvig
DOI:10.1016/j.tetlet.2013.12.082
日期:2014.1
Phenylsilatrane analogues containing reactive amino, bromo, boronic ester, and alkynyl functional groups for coupling reactions have been prepared. Pinacol boronic ester and ethynyl analogues were synthesized from 4-bromophenylsilatrane by palladiumcatalyzedreactions. The silatrane functional group was shown to be stable during the palladium catalysis procedures and silica-gel purification, making