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Synthesis and Reactivity of Base-Stabilized and Base-Free Silaimidoyl Bromides by Pauline Hädinger; Maximilian P. Müller; Alexander Hinz is a Chemistry article available to read on EtoBox.

What is Synthesis and Reactivity of Base-Stabilized and Base-Free Silaimidoyl Bromides about?

The reactivity of the base-free bromosilylene dtbp CbzSiBr ( dtbp Cbz = 1,8-bis(3,5-di-tert-butylphenyl)-3,6-di-tertbutylcarbazolyl) toward carbodiimides and azides was studied in order to generate base-stabilized and base-free silaimidoyl bromides, respectively. The steric bulk of carbodiimides and azides allows control over the reactivity. While with small substituents such as tert-butyl or adamantyl, the reactions cannot be stopped at the SiN stage, with large substituents, they lead to C-H activation in the product. The Dipp substituent (Dipp = 2,6-diisopropylphenyl) allowed the isolation of the silaimidoyl bromide dtbp CbzSi(Br)NDipp and its CNDipp-coordinated analogue. The reactivity of the SiN double bond species was studied with respect to cycloaddition and donor exchange reactions.

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Author

Pauline Hädinger; Maximilian P. Müller; Alexander Hinz

Publisher

American Chemical Society (ACS)

Published

2024

Language

EN

Field

Chemistry (Physical Sciences)