Themed collection 2022 RSC Advances Popular Advances Collection

FDA-approved antiviral agents represent an important class that has attracted attention in recent years to combat current and future threats of viral pandemics.

The progress of Cu-containing SSZ-13 regarding preparation methods, hydrothermal resistance and poisoning as well as reaction mechanisms in NH₃-SCR-DeNO_x and NH₃-SCO.

This review paper provides an overview of the main strategies for the oxidative esterification of thiols with alcohols.

This review provides a short introduction to the parahydrogen-based hyperpolarization (PHIP) techniques in NMR and MRI and then reviews the current literature on method developments and applications of various flavors of them.

Type 2 diabetes mellitus (T2DM) is characterized by high blood glucose levels and has emerged as a controversial public health issue worldwide.

This review provides insight into the utility of pinene in the synthetic building block and as reagent in asymmetric synthesis.

A method to separate and purify flavonoids with significant biological activity from Acacia mearnsii leaves for the effective processing of discarded Acacia mearnsii leaves.

In continuation of our search for bioactive compounds from the Bouea macrophylla (B. macrophylla) plant, herein we describe some flavonoid-type compounds with the aim of investigating their antidiabetic properties.

This article presents results obtained from STD-NMR and molecular docking studies to examine the interaction of US-FDA approved drugs as well as natural compounds against the NS5 protein from dengue virus.

Easy and approachable synthesis. Conventional and microwave irradiational methods. 21 examples. In vitro antimicrobial, antioxidant and anticancer activities. Molecular docking studies.

Chemical substance identification is an indispensable step in research on therapeutic materials based on traditional Chinese medicine and its formulas.

In this study, a series of mesoporous acidic polymeric ionic liquids were successfully synthesized and characterized to explore their structures and properties.

Different synthetic strategies were used to optimize, obtaining a series of compounds derived from the pyrazole-fused phenanthroline system.

The n-hexane extract showed a significant antiviral activity. In addition, annotated compounds exhibited high binding scores on 6 target viral proteins in silico.

The angle-resolved polarized Raman spectroscopy, combined with electron backscattered diffraction technology to determine the in-plane orientation of SnS crystal.

The change in current in the solution was detected with high sensitivity by applying an electrochemical methodology that showed the hydrolysis of PBSs.

We report a natural product compound isolated from Syzygium polycephalum known as 3,4,3′-tri-O-methylellagic acid (T-EA) as a candidate drug for cancer treatment using in vitro and in silico approaches.

Mesoporous glass–ceramic frits exhibited mitigated screening effect (low screening) compared to the highly charged pores of mesoporous glass-based frits (high screening).

In this study, the preparation of magnetic catalysts of titanium tetrachloride stabilized on nano-cellulose named cellulose/Ti^(IV)/Fe₃O₄ was investigated.

A systematic investigation into the influence of degree of labelling of antibody-cell penetrating peptide conjugates upon cellular internalisation.

This research gives insight into the optical material tris(8-hydroxyquinoline)aluminum (Alq₃) micro and nanostructures as an antimicrobial agent against different human pathogenic bacteria. In this work, Alq₃ was applied as an antimicrobial coating.

P-Diastereomers 1 were used in the stereoretentive synthesis of chimeric [PS]-{DNA:(2′-OMe)-RNA/RNA} oligomers and the stability of their duplexes did not correlate with the P-stereochemistry.

Herein, a copper catalyzed asymmetric propargylation of 2-oxindole-3-carboxylate esters with terminal propargylic esters is described.

The combined abuse of benzodiazepines and antipsychotics has become a global problem, and to develop a highly sensitive and selective method for monitoring of benzodiazepine hypnotics and antipsychotics is urgently necessary.

Different doping order of Ce/Zr have a significant effect on the morphologies, acid properties as well as on the activities for CO₂ conversion of the MOF materials.

Galactose oxidase (GalOx, EC.1.1.3.9) is one of the most extensively studied copper radical oxidases. Here, we show it can be monitored through the release of oxidized galactosylated products using a simple, direct and sensitive HPAEC-PAD method.

Simple and environmentally-friendly methods have been developed for the synthesis of monoalkyl oxalates without requiring toxic or expensive reagents.

The Fe₂O₃(110)–O_V surface is the best in terms of CH₄ adsorption energy and C–H bond elongation. Therfore, the Ir/α-Fe₂O₃(110)–O_V surface could be a candidate catalyst for CH₄ dehydrogenation reaction.

The use of dual acetylcholinesterase (AChE)–monoamine oxidase B (MAO-B) inhibitors is a new approach in the treatment of Alzheimer disease (AD).

ZSM-5 was hydrothermally synthesized in a TPABr–glucose dual-template system with low-cost red mud and industrial sodium silicate. The resultant ZSM-5 showed superior performance in converting plastics to light olefins.

Three new phenylpropenoid glycosides (1–3), and five undescribed shikimic acid derivatives (4–8), together with six known analogues (9–14), were obtained from the dried leaves of Illicium dunnianum.

Carbonyl–carbonyl (CO⋯CO) interactions are recently explored noncovalent interactions of significant interest owing to their role in the stability of biomacromolecules.

The optical absorption from BSE@PBE0 is in better agreement with the experiment than BSE@DFT+U. The electron–hole interaction and strong correlation between electrons play a vital role in the optoelectronic response of Cu₃P.

Thirty novel pyridine-appended 2-hydrazinylthiazole derivatives have been synthesized and tested for their antimycobacterial activity against Mictrobactrium tuberculosis, H37Rv strain.

A new metal- and base-free method for synthesizing sulfonylated pyrrolin-2-ones from 1,5-dienes, aryldiazonium salts and SO₂ is presented. This transformation features mild reaction conditions and broad substrate scope.

N,N-Dimethylformamide-stabilized Ru nanoparticles (NPs) provide a highly efficient catalyst for the Guerbet reaction of primary alcohols under solvent-free conditions and without the use of external ligands.

A two-step screening procedure allows optimization of the optical response of an auto-fluorescent protein-based biosensor for nitric oxide without structural information.

Herein, a new cockscomb flower-like Fe₃O₄@SiO₂@KCC-1@MPTMS@Cu^II mesoporous nanocomposite was synthesized, characterized, and used in the green reduction and reductive acetylation of nitroarenes and one-pot synthesis of some coumarin compounds.

The relationships between the fractal evolution and catalytic behavior of the resultant catalysts were deeply explored via SAXS method and other characterizations. The applicability and reliability of fractal theory are therefore proved.

Three new isomalabaricanes and a new α-pyrone derivative isolated from the sponge Rhabdastrella globostellata.

A power-to-gas system is integrated in a building to store the excess self-produced solar energy and reduce the heating expenses. This is possible by recovering waste heat from the reaction and using the gas grid as energy storage infrastructure.

Discovery of multitarget anticancer agents by modifications of natural compound.

¹⁹ F is the focal point of broadband, phase-sensitive 2D NMR experiments that provide ¹H, ¹³C and ¹⁹F chemical shifts, values of J_HF, J_HH, and J_FC coupling constants and ¹³C-induced ¹⁹F isotopic shifts to elucidate structures of fluorinated molecules.

This study reports the synthesis and characterization of a novel class of flavonoid acetamide derivatives (FA) of quercetin, apigenin, fisetin, kaempferol, and luteolin.

Synergistic effect of Zr and Mo species in the formation of Brønsted acid sites is investigated by experimental and theoretical study.

The proposed S_N2 reactions of a hindered organophosphorus reactant with aliphatic and aromatic nucleophiles [Ye et al., Org. Lett., 2017, 19, 5384–5387] were studied theoretically in order to explain the observed stereochemistry of the products.

The recyclable nanomagnetic Pd-complex PAMAM G₀-Pd@γ-Fe₂O₃ is reported for catalytic C–C cross-coupling reactions of challenging substrates.

Ionization cross sections for Ne*(³P_2,0)–HX (X = Cl, Br) chemi-ionizations are presented in the 0.02–0.5 eV collision energy range.

Photocatalytic degradation of PNP over single-crystalline ZnMoO₄/AlPO₄-5.

One-pot, multi-pathway, and atom economic synthesis of imidazoles and thiazoles has been achieved. In the catalytic system, I₂/TBHP as an initiator and oxidant is used to realize sp³, sp² and sp C–H functionalization.

Rhenium based photocatalytic conversion CO₂ to formate in the visible region with excellent turnover.

In this study the solvent free catalytic oxidation of olefins by a new silica supported hydrazone-dioxidotungsten(VI) coordination compound is investigated.

The hydrophilic oxygen radical absorbance capacity (H-OARC) assay measures the antioxidant capacity of compounds against the peroxyl radical, a reactive oxygen species.

Owing to its presence in several biological processes, Sirt1 acts as a potential therapeutic target for many diseases.

We use arginine as an alternative co-reactant for Ru(bpy)₃²⁺ by taking advantage of its low cost, non-toxicity, and biocompatibility. It is promising to expand the scope of the Ru(bpy)₃²⁺/Arg system and move forward their applications in bioassays.

Our study discusses the anti-HCV activity of Spongia irregularis. The results revealed that the ethyl acetate fraction exhibited the highest anti-HCV activity and Nakijiquinone F is the most likely anti-HCV candidate among the screened compounds.

Cobalt nanowires and cobalt particles are introduced into CoAl-LDHs@Fe₃O₄, and the effect of the former is better in the application of electro-Fenton process.

Illumination of a 3-hydroxybenzo[g]quinolone with visible light results in CO release via two different reaction pathways.

Extraction of copper, lead and zinc from photovoltaic panel residue by microwave-assisted chloride leaching, followed by recovery of extracted metals from the pregnant leaching solution by cementation, ion flotation and precipitation.

Addition of gold to the Pt–CsPW catalyst has an enhancing effect on the HDO of DMTHF, with a twofold increase of turnover rate at Pt sites.

Direct and indirect antioxidant activities of rosmarinic acid (RA) based on HOO˙/CH₃OO˙ radical scavenging and Fe(III)/Fe(II) ion chelation were theoretically studied using density functional theory at the M05-2X/6-311++G(2df,2p) level of theory.