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Feature Paper
Article

1,355 Views

26 Pages

Ferrocene-Catalyzed Aromatization and Competitive Oxidative Ring Transformations of 1,2-Dihydro-1-Arylpyridazino[4,5-d]Pyridazines

Dániel Hutai,
Tibor Zs. Nagy,
Veronika Emődi and
Antal Csámpai

Catalysts2025, 15(8), 742;https://doi.org/10.3390/catal15080742

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4 August 2025

This paper presents the expected and unexpected, but typically substituent-dependent, ferrocene-catalyzed DDQ-mediated oxidative transformations of a series of 5,8-bis(methylthio)-1-aryl-1,2-dihydropyridazino[4,5-d]pyridazines and 8-(3,5-dimethyl-1H-...

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Article

12 Citations

4,843 Views

11 Pages

Synthesis of Novel N-Heterocyclic Compounds Containing 1,2,3-Triazole Ring System via Domino, “Click” and RDA Reactions

Márta Palkó,
Mohamed El Haimer,
Zsanett Kormányos and
Ferenc Fülöp

Molecules2019, 24(4), 772;https://doi.org/10.3390/molecules24040772

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21 February 2019

An uncomplicated, high-yielding synthetic route has been developed to constitute complicated heterocycles, applying domino, click and retro-Diels–Alder (RDA) reaction sequences. Starting from 2-aminocarboxamides, a new set of isoindolo[2,1-a]qu...

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Article

158 Citations

12,794 Views

18 Pages

Tentative Characterization of Polyphenolic Compounds in the Male Flowers of Phoenix dactylifera by Liquid Chromatography Coupled with Mass Spectrometry and DFT

Ridha Ben Said,
Arafa I. Hamed,
Usam A. Mahalel,
Abdullah Sulaiman Al-Ayed,
Mariusz Kowalczyk,
Jaroslaw Moldoch,
Wieslaw Oleszek and
Anna Stochmal

Int. J. Mol. Sci.2017, 18(3), 512;https://doi.org/10.3390/ijms18030512

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2 March 2017

Phoenix dacylifera is an ancient palm species rich in (poly)phenols. These phenolic compounds were tentatively identified by using liquid chromatography coupled with ion spray mass spectrometry in tandem mode (LC/MS/MS) with negative ion detection. N...

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