The chemical properties of alicyclic heterocycles are similar to those of the corresponding chain compounds. Compound: Tris(2,2′-bipyridine)ruthenium bis(hexafluorophosphate), is researched, Molecular C30H24F12N6P2Ru, CAS is 60804-74-2, about Tuning Triplet Energy Transfer of Hydroxamates as the Nitrene Precursor for Intramolecular C(sp3)-H Amidation, the main research direction is hydroxamate nitrene precursor intramol amidation triplet energy transfer; oxazolidinone synthesis; gamma lactam synthesis.Safety of Tris(2,2′-bipyridine)ruthenium bis(hexafluorophosphate).
Reported herein is the design of a photosensitization strategy to generate triplet nitrenes and its applicability for the intramol. C-H amidation reactions. Substrate optimization by tuning phys. organic parameters according to the proposed energy transfer pathway led us to identify hydroxamates as a convenient nitrene precursor. While more classical nitrene sources, representatively organic azides, were ineffective under the current photosensitization conditions, hydroxamates, which are readily available from alcs. or carboxylic acids, are highly efficient in accessing synthetically valuable 2-oxazolidinones and γ-lactams by visible light. Mechanism studies supported our working hypothesis that the energy transfer path is mainly operative.
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Reference:
Highly efficient and robust molecular ruthenium catalysts for water oxidation,
Catalysts | Special Issue : Ruthenium Catalysts – MDPI