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Št. zadetkov: 5
Designing homogeneous copper-free Sonogashira reaction through a prism of Pd-Pd transmetalation
Bruno Aleksander Martek, Martin Gazvoda, Damijana Urankar, Janez Košmrlj
Izvirni znanstveni članek
Oznake: kataliza;paladij;Sonogashira reakcija;alkini;catalysis;palladium;Sonogashira reaction;alkyne;
Simultaneous introduction of two different palladium (pre)catalysts, one tuned to promote oxidative addition to (hetero)aryl bromide and another to activate terminal alkyne substrate, leads to productive Pd−Pd transmetalation, subsequent reductive elimination, and formation of disubstituted alkyne. ...
Leto: 2020 Vir: Fakulteta za kemijo in kemijsko tehnologijo (UL FKKT)
Copper(I)-catalyzed [3 + 2] cycloaddition of 3-azidoquinoline-2,4(1H,3H)-diones with terminal alkynes
Stanislav Kafka, Sylvia Hauke, Arjana Salčinović, Otto Soidinsalo, Damijana Urankar, Janez Košmrlj
Izvirni znanstveni članek
Oznake: organska kemija;sinteza;organske sinteze;kataliza;cikloadicija;heterociklične spojine;heterociklični sistemi;heterocikli;derivati kinolona;kinoloni;azidi;azidokinoloni;terminalni alkini;triazoli;baker;cycloaddition;azides;quinoline-2,4(1H,3H)-diones;terminal alkynes;1,2,3-triazoles;
3-Azidoquinoline-2,4(1H,3H)-diones 1, which are readily available from 4-hydroxyquinolin-2(1H)-ones 4 via 3-chloroquinoline-2,4(1H,3H)-diones 5, afford, in copper(I)-catalyzed [3 + 2] cycloaddition reaction with terminal acetylenes, 1,4-disubstituted 1,2,3-triazoles 3 in moderate to excellent yields ...
Leto: 2011 Vir: Fakulteta za kemijo in kemijsko tehnologijo (UL FKKT)
Synthesis of bis(1,2,3-triazole) functionalized quinoline-2,4-diones
David Milićević, Roman Kimmel, Martin Gazvoda, Damijana Urankar, Stanislav Kafka, Janez Košmrlj
Izvirni znanstveni članek
Oznake: klik kemija;azido skupina;kinolin-2,4-(1H,3H)-dioni;propargilna skupina;bis(1,2,3-triazol);click chemistry;azido group;quinoline-2,4(1H,3H)-diones;propargyl group;bis(1,2,3-triazole);
Derivatives of 3-(1H-1,2,3-triazol-1-yl)quinoline-2,4(1H,3H)-dione unsubstituted on quinolone nitrogen atom, which are available by the previously described four step synthesis starting from aniline, were exploited as intermediates in obtaining the title compounds. The procedure involves the introdu ...
Leto: 2018 Vir: Fakulteta za kemijo in kemijsko tehnologijo (UL FKKT)
Towards structurally versatile mesoionic N-heterocyclic olefin ligands and their coordination to palladium, gold, and boron hydride
Tisa Ževart, Balazs Pinter, Matic Lozinšek, Damijana Urankar, Ross D. Jansen-van Vuuren, Janez Košmrlj
Izvirni znanstveni članek
Oznake: coordination;boron hydride;
We have developed an efficient and versatile approach for the synthesis of a family of 1,2,3-triazole-based mesoionic N-heterocyclic olefin (mNHO) ligands and investigated their coordination to palladium, gold, and boron hydride experimentally and computationally. We reacted mNHOs obtained through d ...
Leto: 2024 Vir: Fakulteta za kemijo in kemijsko tehnologijo (UL FKKT)
Half-sandwich Ir(III) and Os(II) complexes of pyridyl-mesoionic carbenes as potential anticancer agents
Juran Kralj, Aljoša Bolje, Darija Stupin Polančec, Ivana Steiner, Tena Gržan, Ana Tupek, Nikolina Stojanović, Stephan Hohloch, Damijana Urankar, Maja Osmak, Biprajit Sarkar, A. Brozović, Janez Košmrlj
Izvirni znanstveni članek
Oznake: piridil-mezoionski karbeni;protirakave substance;iridij;osmij;pyridyl-mesoionic carbenes;anticancer agents;iridium;osmium;
Leto: 2019 Vir: Fakulteta za kemijo in kemijsko tehnologijo (UL FKKT)
Št. zadetkov: 5
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