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Rostoll Berenguer, Jaume; Blay Llinares, Gonzalo
Perfil; Pedro, José Ramón; Vila Descals, Carlos
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This document is a artículoDate2020
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Herein, we described a ligand-free copper-catalyzed aerobic oxidative functionalization of 3,4-dihydroquinoxalin-2(1H)-ones with terminal alkynes using visible-light and oxygen as terminal oxidant to give 3-ethynyl-3,4-dihydroquinoxalin-2(1H)-one, cyclic propargylic amines, in moderate to good yields. Moreover, we demonstrate the versatility of the 3-ethynyl-3,4-dihydroquinoxalin-2(1H)-ones obtained by preparing several 3,4-dihydroquinoxalin-2-one derivatives. |
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Rostoll-Berenguer, Jaume Blay Llinares, Gonzalo Pedro, José Ramón Vila Descals, Carlos 2020 Copper-Catalyzed Aerobic Oxidative Alkynylation of 3,4-Dihydroquinoxalin-2-ones Synthesis-Stuttgart 52 4 544 552 |
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https://doi.org/10.1055/s-0039-1690244
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