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Synfacts 2009(9): 1055-1055
DOI: 10.1055/s-0029-1217655
DOI: 10.1055/s-0029-1217655
Polymer-Supported Synthesis
© Georg Thieme Verlag
Stuttgart ˙ New York
Cyanosilylation and Hydrosilylation with Poly-NHC Particles
M. Tan, Y. Zhang*, J. Y. Ying*
Institute of Bioengineering and Nanotechnology, Singapore
Further Information
Publication History
Publication Date:
21 August 2009 (online)
Significance
Main-chain poly-N-heterocyclic carbene polymer (poly-NHC) particles catalyzed the cyanosilylation of carbonyl compounds 1 with trimethylsilyl cyanide to give the corresponding TMS-cyanohydrins 2 in 99% yield (eq. 1, four examples). Poly-NHC particles were utilized for the hydrosilylation of ketones 3 or imine 5 to give silylethers 4 in 99% yield (seven examples) or amine 6 in 99% yield (eq. 2).