ArticleAngewandte Chemie (International ed. in English)2022
Synthesis and Characterization of Hypercoordinated Silicon Anions: Catching Intermediates of Lewis Base Catalysis.
Article in Angewandte Chemie (International ed. in English), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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7 citing papers in PubMed, 5 citations in OpenAlex.
- Solvent-temperature coupled hydride transfer controls product selectivity in the HSiRChemical science · 2026Article
- Photolysis of COJournal of the American Chemical Society · 2026Article
- Si-H Activation via Dynamic Permutational Isomerism: A Ligand-Directed Route to Dehydrogenative Coupling.Angewandte Chemie (International ed. in English) · 2025Article
- Potassium Hydroxide as a Cost-Effective Catalyst for Broad-Scope Silylation with TMSCFThe Journal of organic chemistry · 2025Article
- Reversible C-H bond silylation with a neutral silicon Lewis acid.Chemical science · 2023Article
- Silicon Catalyzed C-O Bond Ring Closing Metathesis of Polyethers.Angewandte Chemie (International ed. in English) · 2022Article
- Synthesis and Characterization of Hypercoordinated Silicon Anions: Catching Intermediates of Lewis Base Catalysis.Angewandte Chemie (International ed. in English) · 2022Article
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Authors and funding
7 authors at 2 institutions in 1 country.
Funding
Abstract
Anionic hypercoordinated silicates with weak donors were proposed as key intermediates in numerous silicon-based reactions. However, their short-lived nature rendered even spectroscopic observations highly challenging. Here, we characterize hypercoordinated silicon anions, including the first bromido-, iodido-, formato-, acetato-, triflato- and sulfato-silicates. This is enabled by a new, donor-free polymeric form of Lewis superacidic bis(perchlorocatecholato)silane 1. Spectroscopic, structural, and computational insights allow a reassessment of Gutmann's empirical rules for the role of silicon hypercoordination in synthesis and catalysis. The electronic perturbations of 1 exerted on the bound anions indicate pronounced substrate activation.
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