Highly Efficient MOF-Driven Silver Subnanometer Clusters for the Catalytic Buchner Ring Expansion Reaction
Sign Up to like & getrecommendations! Published in 2022 at "Inorganic Chemistry"
DOI: 10.1021/acs.inorgchem.2c01508
Abstract: The preparation of novel efficient catalysts—that could be applicable in industrially important chemical processes—has attracted great interest. Small subnanometer metal clusters can exhibit outstanding catalytic capabilities, and thus, research efforts have been devoted, recently, to… read more here.
Keywords: buchner ring; subnanometer clusters; catalytic buchner; expansion reaction ... See more keywords
Syntheses of Tetrahydropyran Type 8,7'-Neolignans Using a Ring-Expansion Reaction and Tetrahydrofuran Type 8,7'-Neolignans to Discover a Novel Phytotoxic Neolignan.
Sign Up to like & getrecommendations! Published in 2023 at "Journal of agricultural and food chemistry"
DOI: 10.1021/acs.jafc.3c01998
Abstract: One novel tri-substituted tetrahydropyran type 8,7'-neolignan and its enantiomer with higher enantiomeric excess were synthesized from all cis-tetra-substituted tetrahydrofuran with an iodomethyl group by a hydride or H2 ring-expansion reaction. The normal hydride reductions of… read more here.
Keywords: type neolignans; tetra substituted; type; expansion reaction ... See more keywords
Base-Promoted Ring Expansion Reaction of 4-Quinolones To Access Benzazepinones.
Sign Up to like & getrecommendations! Published in 2024 at "Organic letters"
DOI: 10.1021/acs.orglett.4c03016
Abstract: 4-Quinolone derivatives undergo an unexpected ring expansion reaction with α-halo esters/phosphonates/sulfones in the presence of a base, such as NaH, to produce novel benzazepinones. Under these mild and transition-metal-free conditions, most substrates gave moderate to… read more here.
Keywords: reaction; expansion reaction; base promoted; promoted ring ... See more keywords
Iron Porphyrins and Iron Salens as Highly Enantioselective Catalysts for the Ring-Expansion Reaction of Epoxides to Tetrahydrofurans
Sign Up to like & getrecommendations! Published in 2025 at "Organic Letters"
DOI: 10.1021/acs.orglett.5c00767
Abstract: Iron porphyrins have been found to be efficient catalysts for the ring-expansion reaction of epoxides with alkenes to give the corresponding tetrahydrofurans; very low loadings (down to 1 mol %) are sufficient to achieve high… read more here.
Keywords: reaction; expansion reaction; iron porphyrins; catalysts ring ... See more keywords
Copper nitrate-enabled ring expansion reaction of cyclopropanes: A direct approach to 3-cyano-isoxazoline N-oxides
Sign Up to like & getrecommendations! Published in 2024 at "Organic Chemistry Frontiers"
DOI: 10.1039/d3qo01991h
Abstract: A novel copper nitrate-enabled ring expansion reaction of cyclopropanes with nitro group exchange was described, affording pharmacologically interesting isoxazoline N-oxide skeletons. A series of 3-cyano-isoxazoline N-oxide compounds were efficiently synthesized... read more here.
Keywords: reaction cyclopropanes; expansion reaction; nitrate enabled; copper nitrate ... See more keywords