An air-stable, Zn-based catalyst for hydrosilylation of alkenes and alkynes
Organic and Biomolecular Chemistry, ISSN: 1477-0520, Vol: 19, Issue: 25, Page: 5544-5550
2021
- 16Citations
- 15Captures
- 2Mentions
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Metrics Details
- Citations16
- Citation Indexes16
- CrossRef16
- 16
- Captures15
- Readers15
- 15
- Mentions2
- Blog Mentions2
- Blog2
Article Description
Hydrosilylation of C-C double and C-C triple bonds is one of the most widely used processes in organosilicon chemistry, mostly catalyzed by Pt-based complexes. We report here the synthesis of an air-stable dicationic Zn-based complex in a hemilabile tris(2-methyl-6-pyridylmethyl) phosphine (TmPPh) ligand,1[B(CF)]. When heated,1[B(CF)]activates Si-H bonds reversiblyvialigand/metal cooperation between Lewis acidic Znand Lewis basic N centers in a frustrated Lewis pair (FLP) type fashion. Consequently,1[B(CF)]was found to be an effective catalyst for hydrosilylation reactions of C-C double and C-C triple bonds. Remarkably, these hydrosilylation reactions can be loaded under aerobic conditions, as well as, in some cases, work under neat conditions. The mechanism of the activation of the Si-H bond and the hydrosilylation reaction is proposed based on experiments and density functional theory (DFT) calculations.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85108881678&origin=inward; http://dx.doi.org/10.1039/d1ob00782c; http://www.ncbi.nlm.nih.gov/pubmed/34060566; https://xlink.rsc.org/?DOI=D1OB00782C; https://dx.doi.org/10.1039/d1ob00782c; https://pubs.rsc.org/en/content/articlelanding/2021/ob/d1ob00782c
Royal Society of Chemistry (RSC)
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