Kawachi, Atsushi published the artcileStructures of [(Amino)phenylsilyl]lithiums and Related Compounds in Solution and in the Solid State, Category: catalysis-chemistry, the publication is Journal of the American Chemical Society (2000), 122(9), 1919-1926, database is CAplus.
The solution structures of [bis(diethylamino)phenylsilyl]lithium (1), [(diethylamino)diphenylsilyl]lithium (2), and [(diethylamino)phenylmethylsilyl]lithium (3) were studied by 13C, 29Si, 7Li, and 15N NMR spectroscopic experiments The 29Si-7(6)Li coupling can be observed in each species at low temperature The coupling patterns indicate that these three species exist as monomers in THF. Using a 15N-enrichment technique, the 29Si-15N couplings in 1 and 2 are observed Next, the solid-state structures of [(diphenylamino)diphenylsilyl]lithium ((Ph2N)Ph2Si-X; X = Li) (4) and its fluoro (X = F), stannyl (X = SnMe3), and hydro (X = H) derivatives were revealed by crystallog. studies as well as by solid-state 29Si NMR experiments In the solid state, 4 exists as a monomer solvated with three THF mols. arising from the reaction solvent. The electropos. substituent X, such as Li, causes the elongation of the Si-C and Si-N bonds, reduction of the sum of the C-Si-N (or C) angles, and a downfield shift of the 29Si resonances.
Journal of the American Chemical Society published new progress about 312-40-3. 312-40-3 belongs to catalysis-chemistry, auxiliary class Organic Silicones, name is Difluorodiphenylsilane, and the molecular formula is C12H10F2Si, Category: catalysis-chemistry.
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Catalysis – Wikipedia