Proton Catalysis of Nucleophilic Substitution at Pentacoordinate Siliconстатья
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Дата последнего поиска статьи во внешних источниках: 8 января 2017 г.
Аннотация:Addition of acid to the pentacoordinate fluorosilane 8, leads to enhanced exchange of fluorine and loss of diastereotopicity of the
silicon methyl groups. A DNMR study of the 1H-NMR spectra suggests a dissociative mechanism involving protonation of the
fluorine leaving group. Variable temperature studies suggest that at lower temperatures the tetracoordinate form is favoured.