Asymmetric Coupling of β-Ketocarbonyls and Alkynes by Chiral Primary Amine/Rh Synergistic Catalysis.
Sign Up to like & getrecommendations! Published in 2022 at "Organic letters"
DOI: 10.1021/acs.orglett.1c04334
Abstract: We herein report a synergetic chiral primary amine and rhodium catalysis for asymmetric coupling of β-ketocarbonyls and alkynes. A series of β-ketocarbonyls could be applied to afford linear allylation products, bearing all-carbon quaternary centers in… read more here.
Keywords: asymmetric coupling; ketocarbonyls alkynes; ketocarbonyls; coupling ketocarbonyls ... See more keywords
Asymmetric reflection based on asymmetric coupling in single-layer extrinsic chiral metasurfaces.
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DOI: 10.1364/oe.478073
Abstract: We propose and experimentally demonstrate that giant asymmetric reflection of circularly polarized light based on asymmetric coupling can be achieved in single-layer extrinsic chiral metasurfaces at oblique incidence. The asymmetric coupling and asymmetric reflection in… read more here.
Keywords: asymmetric coupling; extrinsic chiral; chiral metasurfaces; asymmetric reflection ... See more keywords
Broadband terahertz plasmon-induced transparency via asymmetric coupling inside meta-molecules
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DOI: 10.1364/ome.7.001035
Abstract: We reported a broadband terahertz (THz) plasmon-induced transparency (PIT) phenomenon owing to asymmetric coupling in between the bright-and-dark resonators in meta-molecules (MMs). Each MM contains a cut-wire resonator and a couple of identical size and… read more here.
Keywords: plasmon; cut wire; transparency; asymmetric coupling ... See more keywords