Cui, Tingting published the artcileAtomically Dispersed Pt-N3C1 Sites Enabling Efficient and Selective Electrocatalytic C-C Bond Cleavage in Lignin Models under Ambient Conditions, Product Details of C15H16O3, the publication is Journal of the American Chemical Society (2021), 143(25), 9429-9439, database is CAplus and MEDLINE.
Selective cleavage of C-C linkages is the key and a challenge for lignin degradation to harvest value-added aromatic compounds To this end, electrocatalytic oxidation presents a promising technique by virtue of mild reaction conditions and strong sustainability. However, the existing electrocatalysts (traditional bulk metal and metal oxides) for C-C bond oxidative cleavage suffer from poor selectivity and low product yields. We show for the first time that atomically dispersed Pt-N3C1 sites planted on nitrogen-doped carbon nanotubes (Pt1/N-CNTs), constructed via a stepwise polymerization-carbonization-electrostatic adsorption strategy, are highly active and selective toward Cα-Cβ bond cleavage in β-O-4 model compounds under ambient conditions. Pt1/N-CNTs exhibits 99% substrate conversion with 81% yield of benzaldehyde, which is exceptional and unprecedented compared with previously reported electrocatalysts. Moreover, Pt1/N-CNTs using only 0.41 weight % Pt achieved a much higher benzaldehyde yield than those of the state-of-the-art bulk Pt electrode (100 weight % Pt) and com. Pt/C catalyst (20 weight % Pt). Systematic exptl. investigation together with d. functional theory (DFT) calculation suggests that the superior performance of Pt1/N-CNTs arises from the atomically dispersed Pt-N3C1 sites facilitating the formation of a key Cβ radical intermediate, further inducing a radical/radical cross-coupling path to break the Cα-Cβ bond. This work opens up opportunities in lignin valorization via a green and sustainable electrochem. route with ultralow noble metal usage.
Journal of the American Chemical Society published new progress about 70110-65-5. 70110-65-5 belongs to alcohols-buliding-blocks, auxiliary class Benzene,Alcohol,Ether,Benzene Compounds, name is 2-Phenoxy-1-phenylpropane-1,3-diol, and the molecular formula is C15H16O3, Product Details of C15H16O3.
Referemce:
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