ArticleACS catalysis2025
Evaluation of Steric and Electronic Parameters of NHCs on Vanadium Imido Alkylidenes for Olefin Metathesis.
Article in ACS catalysis, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Toward vanadium-mediated alkyne metathesis.Chemical science · 2026Article
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Abstract
Among the first-row transition metals, vanadium stands out as a promising candidate for mediating olefin metathesis. Recent studies have shown that introducing electron-donating neutral ligands, such as N-heterocyclic carbenes (NHCs), significantly enhances the stability and efficiency of V catalysts in the ring-closing metathesis (RCM) of terminal alkenes. However, there is a lack of systematic studies examining how the properties of NHCs influence catalyst performance. To address this knowledge gap, we evaluated 13 different NHCs with varying steric and electronic parameters in the synthesis and activity of V-based NHC alkylidenes. Our research identified the necessary range of sizes and electron-donating properties of NHCs for efficient catalysts, which enabled us to achieve a high turnover number of 610 in the RCM of terminal dienes using one of the developed V NHC complexes. Furthermore, we discovered a correlation between the catalyst's performance and the
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