N-Silylation of amines mediated by Et3SiH/KOtBu

Palumbo, Fabrizio and Rohrbach, Simon and Tuttle, Tell and Murphy, John A. (2019) N-Silylation of amines mediated by Et3SiH/KOtBu. Helvetica Chimica Acta, 102 (12). pp. 1-8. e1900235. ISSN 0018-019X (https://doi.org/10.1002/hlca.201900235)

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Abstract

Silylation of primary and secondary amines is reported, using triethylsilane as the silylating reagent in the presence of potassium tert-butoxide (KOtBu). The reaction proceeds well in the presence of 0.2 equiv of KOtBu. In competition experiments, aniline is selectively silylated over aliphatic amines. Computational studies support a catalytic mechanism which is initiated by KOtBu interacting with the silane to form KH and silylated amine. The KH then takes over the role of base in the propagation of the cyclic mechanism, and deprotonates the amine. This reacts with R3SiH to afford the product R3SiNR’R” and regenerate KH.

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• Item metadata

  Item type:	Article
  ID code:	70226
  Dates:	Date Event 1 December 2019 Published 25 October 2019 Published Online 21 October 2019 Accepted
  Notes:	© 2019 Wiley-VHCAAG,Zurich,Switzerland F. Palumbo, S. Rohrbach, T. Tuttle, J. A. Murphy, HCA 2019, 102, e1900235.
  Subjects:	Science > Chemistry
  Department:	Faculty of Science > Pure and Applied Chemistry Technology and Innovation Centre > Bionanotechnology
  Depositing user:	Pure Administrator
  Date deposited:	22 Oct 2019 13:41
  Last modified:	11 Nov 2024 12:29
  Related URLs:	Journal or Publication
  URI:	https://strathprints.strath.ac.uk/id/eprint/70226