Selective C‐7 Functionalization of Phenanthridines by Microwave‐Assisted Claisen Rearrangements of 8‐Allyloxyphenanthridines [PDF]
ChemistryOpen, 2023 Carbon‐carbon bond formation in the phenanthridine 7‐position was achieved by microwave‐assisted Claisen rearrangement of 8‐allyloxyphenanthridines. The reactions took place with excellent regioselectivity and high chemical yields.
Mathias Ryslett Lepsøe +2 more
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Synthesis of phenanthridines via a novel photochemically-mediated cyclization and application to the synthesis of triphaeridine [PDF]
Beilstein Journal of Organic Chemistry, 2021 Readily synthesized biphenyl-2-carbaldehyde O-acetyl oximes were exposed to UV radiation affording phenanthridines. The scope and limitations of this novel reaction were explored.
Songeziwe Ntsimango +3 more
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Direct Photoexcitation of Benzothiazolines: Acyl Radical Generation and Application to Access Heterocycles [PDF]
Molecules, 2021 An acyl radical generation and functionalization strategy through direct photoexcitation of benzothiazolines has been developed. The formed acyl radical species can either be trapped by quinoxalin-2-ones to realize their C(3)-H functionalization or ...
Xiang-Kui He +4 more
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Synthesis of phenanthridines via palladium-catalyzed picolinamide-directed sequential C–H functionalization [PDF]
Beilstein Journal of Organic Chemistry, 2013 We report a new synthesis of phenanthridines based on palladium-catalyzed picolinamide-directed sequential C–H functionalization reactions starting from readily available benzylamine and aryl iodide precursors.
Ryan Pearson +4 more
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Photocatalyzed syntheses of phenanthrenes and their aza-analogues. A review [PDF]
Beilstein Journal of Organic Chemistry, 2020 Phenanthrenes and their aza-analogues have important applications in materials science and in medicine. Aim of this review is to collect recent reports describing their synthesis, which make use of radical cyclizations promoted by a visible light ...
Alessandra Del Tito +4 more
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Isocyanides as Acceptor Groups in MHAT Reactions with Unactivated Alkenes. [PDF]
Org Lett, 2023 The use of isocyanides as acceptor groups in metal–hydride hydrogen atom transfer (MHAT) coupling reactions with nonactivated alkenes to form heterocycles is described. Monosubstituted alkenes couple and cyclize directly, whereas more substituted alkenes
Puig J, Bonjoch J, Bradshaw B.
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Pentacyclic aromatic heterocycles from Pd-catalyzed annulation of 1,5-diaryl-1,2,3-triazoles [PDF]
Beilstein Journal of Organic ChemistryA series of pentacyclic aromatic heterocycles representing functionalized phenanthridines, naphthyridines, and phenanthrolines were prepared via Pd-catalyzed annulation of 1,5-diaryl-1,2,3-triazoles.
Kaylen D. Lathrum +3 more
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Synthesis, Bacteriostatic and Anticancer Activity of Novel Phenanthridines Structurally Similar to Benzo[c]phenanthridine Alkaloids [PDF]
Molecules, 2018 In this study, we report the synthesis, antibacterial and anticancer evaluation of 38 novel phenanthridines that were designed as analogs of the benzo[c]phenanthridine alkaloids. The prepared phenanthridines differ from the benzo[c]phenanthridines in the
Pavel Lasák +3 more
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Microwave assisted synthesis of phenanthridine derivatives via Suzuki coupling and condensation
Results in Chemistry, 2021 One-pot synthesis of phenanthridine derivatives using appropriately substituted aromatic ortho-bromo N-tosylhydrazones and 2′-aminobenzeneboronic acid pinacol esters is described.
Satheesh Kumar Dende +3 more
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Synthesis of Imidazo[1,2-f]phenanthridines by Recyclable Magnetic MOF-Catalyzed Coupling and Cyclization of 2-(2-Bromoaryl)imidazoles with Cyclohexane-1,3-diones Followed by Aromatization. [PDF]
ACS Omega, 2022 Lee SW, Dao PDQ, Lim HJ, Cho CS.
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