The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: Tris(2,2′-bipyridine)ruthenium bis(hexafluorophosphate)(SMILESS: F[P-](F)(F)(F)(F)F.F[P-](F)(F)(F)(F)F.C1(C2=NC=CC=C2)=NC=CC=C1.C3(C4=NC=CC=C4)=NC=CC=C3.C5(C6=NC=CC=C6)=NC=CC=C5.[Ru+2],cas:60804-74-2) is researched.Electric Literature of C3H4BrN. The article 《Activation of C-H bond by visible light photosensitized allene moiety》 in relation to this compound, is published in Angewandte Chemie, International Edition. Let’s take a look at the latest research on this compound (cas:60804-74-2).
Despite allene derivatives have been always regarded as a radical accepter in traditional radical chem. for decades, the reactivity of allene derivatives under excited state in radical chem. was rarely explored. Herein, we report an example to engage triplet-excited state of allene moiety as hydrogen-atom-transfer (HAT) partner in the activation of remote sp3 C-H bond via visible-light irradiation under mild reaction conditions with broad substrate scope and good functional-group tolerance. The reaction mechanism involving the generation of triplet excited state of allene derivative and the subsequent HAT process was supported by deuterium labeling, kinetic anal. experiments and DFT calculations
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Reference:
Highly efficient and robust molecular ruthenium catalysts for water oxidation,
Catalysts | Special Issue : Ruthenium Catalysts – MDPI