Oxidation step in the preparation of benzocamalexin: The crystallographic evidence

Stremski, Yordan; Ahmedova, Anife; Dołe˛ga, Anna; Statkova-Abeghe, Stela; Kirkova, Desislava

doi:10.1016/j.mencom.2021.11.018

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“…The current direction of our scientific group is developing an accessible approach to various heterocycles [26][27][28]. The aim of this study is to apply this method for obtaining new quercetin-benzazole hybrids and evaluate their radical scavenging potential.…”

Section: Introductionmentioning

confidence: 99%

Quercetin Hybrids—Synthesis, Spectral Characterization and Radical Scavenging Potential

Kirkova

Stremski

Statkova-Abeghe

et al. 2022

Molbank

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New quercetin-based derivatives are synthesized in an easily accessible one-pot manner. The method is based on the reaction of quercetin with in situ formed electrophilic N-alkoxycarbonylazolium ions. The position of the newly formed C-C bond and structure were spectrally characterized by 1D, 2D 1H, 13C-NMR, IR, and MS analysis. Thus, in all cases, good regioselectivity in the C-8 position for the obtained products was demonstrated. The obtained compounds were evaluated for their DPPH and ABTS free radical scavenging activity and compared to natural compounds—quercetin and rutin.

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Section: Introductionmentioning

confidence: 99%