ArticleAngewandte Chemie (International ed. in English)2026
Triplet Metallovinylidenes of Palladium and Platinum Based on a Chelating P/Diazoalkene Ligand.
Article in Angewandte Chemie (International ed. in English), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Postsynthetic modification of N-heterocyclic diazoolefinsDalton transactions (Cambridge, England : 2003) · 2026Article
- Gold(III)-Substituted Carbenes.Journal of the American Chemical Society · 2026Article
- Mesoionic N-Heterocyclic Olefins, Imines, Thiones, Phosphinidenes and Their Application in Catalysis.Angewandte Chemie (International ed. in English) · 2026Review
- Triplet Metallovinylidenes of Palladium and Platinum Based on a Chelating P/Diazoalkene Ligand.Angewandte Chemie (International ed. in English) · 2026Article
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12 authors.
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Abstract
Triplet carbenes featuring a metal adjacent to the carbene center (metallocarbenes; R─C─M) are an emerging class of diradicals within the field of reactive intermediates. Here, we report the synthesis of the first spectroscopically characterized triplet metallovinylidenes (R─C→M; M = Pt, Pd). The synthetic access is based on a rigid P/C chelating diazoalkene ligand and its coordination to Pt and Pd. The C/P chelating ligand geometrically constrains the R─C→M angle and inhibits free bending. Irradiation of the free diazoalkene ligand generates a triplet vinylidene, characterized by Q-band electron paramagnetic resonance (EPR) spectroscopy. Irradiation of the metal coordination complexes (Pt and Pd) affords triplet metallovinylidenes, which were characterized at low temperatures including photochemically triggered in crystallo X-ray diffraction. Combined FD-FT THz-EPR spectroscopy and SQUID measurements allowed the determination of the large triplet zero-field splitting (ZFS) with D values of 124.5 cm
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