ArticleAngewandte Chemie (International ed. in English)2021
Cationic Group VI Metal Imido Alkylidene N-Heterocyclic Carbene Nitrile Complexes: Bench-Stable, Functional-Group-Tolerant Olefin Metathesis Catalysts.
Article in Angewandte Chemie (International ed. in English), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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8 citing papers in PubMed, 34 citations in OpenAlex.
- Metal complexes of backbone-halogenated imidazol-2-ylidenes.Inorganica chimica acta · 2024Article
- Ring-Expanded N-Heterocyclic Carbene (reNHC) Complexes: Applications in Transition Metal Catalysis.Coordination chemistry reviews · 2024Article
- Is Mn(I) More Promising Than Fe(II)-A Comparison of Mn vs Fe Complexes for Olefin Metathesis.Organometallics · 2024Article
- Expanding the Utility of β-Diketiminate Ligands in Heavy Group VI Chemistry of Molybdenum and Tungsten.Organometallics · 2023Article
- In Vivo Olefin Metathesis in Microalgae Upgrades Lipids to Building Blocks for Polymers and Chemicals.Angewandte Chemie (International ed. in English) · 2022Article
- A Comprehensive Analysis of the Metal-Nitrile Bonding in an Organo-Diiron System.Molecules (Basel, Switzerland) · 2021Article
- Olefin metathesis: what have we learned about homogeneous and heterogeneous catalysts from surface organometallic chemistry?Chemical science · 2021Review
- Cationic Group VI Metal Imido Alkylidene N-Heterocyclic Carbene Nitrile Complexes: Bench-Stable, Functional-Group-Tolerant Olefin Metathesis Catalysts.Angewandte Chemie (International ed. in English) · 2021Article
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5 authors at 1 institution in 1 country.
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Abstract
Despite their excellent selectivities and activities, Mo-and W-based catalysts for olefin metathesis have not gained the same widespread use as Ru-based systems, mainly due to their inherent air sensitivity. Herein, we describe the synthesis of air-stable cationic-at-metal molybdenum and tungsten imido alkylidene NHC nitrile complexes. They catalyze olefin metathesis reactions of substrates containing functional groups such as (thio-) esters, (thio-) ethers and alcohols without the need for prior activation, for example, by a Lewis acid. The presence of a nitrile ligand was found to be essential for their stability towards air, while no decrease in activity and productivity could be observed upon coordination of a nitrile. Variations of the imido and anionic ligand revealed that alkoxide complexes with electron-withdrawing imido ligands offer the highest reactivities and excellent stability compared to analogous triflate and halide complexes.
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