4.7 Article

Silole allylic anions instead of silanides

Journal

DALTON TRANSACTIONS
Volume 50, Issue 46, Pages 16945-16949

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/d1dt02363b

Keywords

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Funding

  1. Austrian Science Fund [P-30955]
  2. DFG [INST 184/108-1 FUGG]
  3. Ministry of Science and Culture (MWK) of the Lower Saxony State

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The reaction of a 3,4-diphenylsilole with neopentasilanyl groups attached to the 2- and 5-positions did not result in the expected silanide formation, but instead yielded a silole allylic anion. This allylic anion undergoes further reaction by adding to a neighboring phenyl group, which then transfers a proton to the 2-position of the silole ring.
Reaction of a 3,4-diphenylsilole with two neopentasilanyl groups attached to the 2- and 5-positions with one equivalent of (KOBu)-Bu-t did not result in the expected silanide formation but yielded a silole allylic anion instead. The initially formed silanide added to a neighboring phenyl group, which then transfers a proton to the 2-position of the silole ring.

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