Selective cleavage of ether C-O bond in lignin-derived compounds over Ru system under different H-sources
Sign Up to like & getrecommendations! Published in 2021 at "Fuel"
DOI: 10.1016/j.fuel.2020.119027
Abstract: Abstract Selective hydrogenolysis, the aromatic ether C-O bonds under mild conditions, is crucial for the valorization of lignin. In this context, the effects of H2 and solvent on the hydrogenolysis of lignin model compounds over… read more here.
Keywords: system; lignin; bond; cleavage ether ... See more keywords
Selective cleavage of the N-propargyl group from sulfonamides and amides under ruthenium catalysis
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DOI: 10.1016/j.tetlet.2018.03.046
Abstract: Abstract The selective cleavage of the N-propargyl group from sulfonamides and amides under ruthenium catalysis is described. The reaction tolerates a broad range of functional groups, and the desired products were obtained in 10–95% yield. read more here.
Keywords: cleavage propargyl; group sulfonamides; propargyl group; sulfonamides amides ... See more keywords
Divergent synthesis of α-functionalized amides through selective N-O/C-C or N-O/C-C/C-N cleavage of aza-cyclobutanone oxime esters.
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DOI: 10.1039/d1cc03348d
Abstract: Herein, a novel sequential ring opening reaction of aza-cyclobutanone oxime esters with isocyanides is described. The reaction proceeded smoothly under redox-neutral and mild conditions, leading to a divergent synthesis of α-cyanomethylaminoamides, α-acyloxyamides and α-acylaminoamides. In… read more here.
Keywords: divergent synthesis; aza cyclobutanone; cleavage; oxime esters ... See more keywords
Selective Cleavage of Cα−Cβ Bond in Lignin Models by Bifunctional Pyridinium Photocatalyst via PCET Process
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DOI: 10.1039/d3gc00432e
Abstract: Cleaving the C−C bonds in lignin to afford value-added low-molecular-weight aromatic products is promising but a challenging project. In this contribution, a mild and efficient strategy for one-step selective C−C... read more here.
Keywords: selective cleavage; models bifunctional; bifunctional pyridinium; bond lignin ... See more keywords
Copper-catalyzed 1,4-alkylcyanation of CF3-containing 1,3-enynes: alkoxy radical-mediated selective cleavage of fused azabicycles.
Sign Up to like & getrecommendations! Published in 2025 at "Chemical communications"
DOI: 10.1039/d5cc03900b
Abstract: A copper-catalyzed 1,4-alkylcyanation of CF3-containing 1,3-enynes with bicyclic hydroperoxides and TMSCN is described. In this cascade, the alkyl source originates from selective cleavage of a C-C bond in the fused bicyclic skeletons, enabling the successful… read more here.
Keywords: alkylcyanation cf3; containing enynes; catalyzed alkylcyanation; cf3 containing ... See more keywords
Visible light-driven ligand-to-metal charge transfer-mediated selective cleavage of β-O-4 lignin model compounds: a greener route to lignin valorization
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DOI: 10.1039/d5gc00948k
Abstract: Lignin is the most abundant renewable source of aromatics in nature. The β-O-4 bond is the most predominant linkage in lignin; therefore, methods for the selective cleavage of the β-O-4 bond are of great importance… read more here.
Keywords: lignin; visible light; light driven; model compounds ... See more keywords
Unveiling the mechanism for selective cleavage of C-C bonds in sugar reactions on tungsten trioxide–based catalysts
Sign Up to like & getrecommendations! Published in 2022 at "Proceedings of the National Academy of Sciences of the United States of America"
DOI: 10.1073/pnas.2206399119
Abstract: Significance Sugars are carbon-neutral alternatives to fossil resources for the sustainable production of fuels and chemicals. Their direct conversion is challenged by their structural complexities of different chiralities, carbon numbers, and types of ketoses/aldoses and… read more here.
Keywords: bonds sugar; cleavage bonds; selective cleavage; mechanism selective ... See more keywords