Lipid‐Based Nanoparticles for Time‐Release Delivery of Flavonoids
Journal of Food Process Engineering, Volume 49, Issue 5, May 2026.Lipid‐based nanocarriers enhance the stability, bioavailability, and controlled release of flavonoids. These systems improve encapsulation efficiency and protection against degradation, highlighting their potential for food and nutraceutical applications.
Ziane da Conceição das Mercês +3 more
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2-Amino-5-oxo-4-(thiophen-2-yl)-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile
IUCrDataThe crystal structure of the title compound, C14H12N2O2S, reveals two symmetrically independent molecules within the asymmetric unit. Each molecule contains a chromenone core attached to a 2-thiophene ring, cyano, and amino groups.
Carren Nyapola +3 more
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5-Amino-7-(3-chlorophenyl)-3,7-dihydro-2H-thieno[3,2-b]pyran-6-carbonitrile 1,1-dioxide
Acta Crystallographica Section E, 2010 The title compound, C14H11ClN2O3S, with fused thiophene and pyran rings, was synthesized via the condensation of dihydrothiophen-3(2H)-one 1,1-dioxide and 2-(3-chlorobenzylidene)malononitrile catalysed by triethylamine in ethanol.
Shi-De Shen +4 more
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Polarographic study of cadmium 5-hydroxy 2-(hydroxymethyl) 4H-pyran-4-one complex [PDF]
A polarographic study was performed on the products formed in the interaction of cadmium (II) with a 5-hydroxy 2-(hydroxymethyl) 4H-Pyran-4-one, using varying conditions of pH, supporting electrolytes, and concentrations.
Daniels, Robert C., Wilson, Ray F.
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A Three‐Step Route to Functionalized Pyrrole‐2,5‐Dicarboxylic Acids from Galactaric Acid
ChemSusChem, Volume 19, Issue 8, 28 April 2026.Galactaric acid (GalA) has been used as substrate for a library of N‐substituted pyrrole‐2,5‐dicarboxylic acids (PDCAs). Existing routes to N‐substituted PDCAs require many steps or lack product isolation. We present a simple, scalable three‐step synthesis from GalA via a 2‐pyrone salt, giving isolated PDCA derivatives in high yield without ...
Giacomo Trapasso +3 more
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Synthesis and Molluscicidal Activity of Some Newly Substituted Chromene and Pyrano[2,3-c]pyrazole Derivatives [PDF]
, 2008 The arylidene derivatives 3a-f react with 1,3-cyclohexanedioneand dimedone 4a,b to afford the 4-(2- or 3-pyridyl) or 4-pipronyl-chromene derivatives 6a-l.
Abdelrazek, Fathy M. +2 more
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ChemInform Abstract: Ring Transformations of 2H‐Pyran‐2‐ones and Fused Pyran‐2‐ones with Nucleophilic Reagents [PDF]
, 2009 Franc Požgan, Marijan Kočevar
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Synthesis of Sulfur Heterocycles by Palladium‐Catalyzed Cyclization
European Journal of Organic Chemistry, Volume 29, Issue 14, 15 April 2026.In spite of the well‐known palladium thiophilicity, sulfur‐containing acyclic substrates may efficiently undergo several different kinds of palladium‐catalyzed cyclization processes leading to highly important sulfur heterocycles in one synthetic step. Advances in this challenging and stimulating field of research are presented in this review.
Bartolo Gabriele
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9-(4-Formylphenyl)-3,3,6,6-tetramethyl-3,4,5,6,7,9-hexahydro-1H-xanthene-1,8(2H)-dione
IUCrData, 2018 In the title compound, C24H26O4, the central 4H-pyran ring adopts a flattened boat conformation, with the mean and maximum deviations of the ring being 0.0582 (6) and 0.1012 (3) Å, respectively.
R. Kalaivanan +2 more
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β‐Mannosyl Triazoles as Mimics of Galactosyl Galectin‐3 and Galectin‐9 N‐Terminal Domain Inhibitors
ChemBioChem, Volume 27, Issue 7, 14 April 2026.Galacto‐mimicking mannosyl monotriazoles, but not bis‐triazoles, inhibit galectin‐3 and galectin‐9 N‐terminal domain. Mannosyl β‐C‐1 amidotriazoles have previously been reported to have higher selectivity for galectin‐9N (N‐terminal domain) than the corresponding galactoside C3 amidotriazoles have, which were more selective for galectin‐3.
Fredrik Sjövall, Ulf J. Nilsson
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