Journal
ORGANOMETALLICS
Volume 29, Issue 21, Pages 5681-5692Publisher
AMER CHEMICAL SOC
DOI: 10.1021/om1005897
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Funding
- Margarete Ammon Stiftung
- Wacker AG
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A series of novel chelaling N-heterocyclic bis-carbene rhodium(I) complexes based on 1,2,4-triazoles, benzimidazoles, and imidazoles with varying bridge length and N substituents has been synthesized. In addition to their structural characterization, their catalytic activity in the hydrosilylation of 4-fluoroacetophenone with diphenylsilane has been examined. The results reveal that selectivities and turnover frequencies (TOFs) are influenced by bridge length, steric demand of the N substituents, and electronic properties of the heterocycle.
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