Abstract In the last few decades, emission of carbon dioxide (CO 2 ) in environment has caused havoc across globe. One most promising strategies for fixation CO is cycloaddition reaction between epoxides and to produce cyclic carbonates. For first time, we have fabricated copper-based magnetic nanocatalyst applied fixation. The prepared catalyst was thoroughly characterized using various techniques including XRD, FT-IR, TEM, FE-SEM, XPS, VSM, ICP-OES elemental mapping. reactions proceeded at...

A supported ionic liquid-based magnetic nanocatalyst has been fabricated for the formation of pharmaceutically important<italic>N</italic>-aryl oxazolidin-2-ones.

Abstract A magnetically retrievable, efficient, and benign maghemite‐Cu nanocatalyst was synthesized from inexpensive precursors applied for C−O, C−N, C−S bond‐formation reactions. The obtained characterized by various techniques such as XRD, X‐ray photoelectron spectroscopy, field‐emission gun SEM with energy‐dispersive atomic absorption TEM, high‐angle annular dark‐field scanning transmission electron microscopy, FTIR Mössbauer spectroscopy. Excellent catalytic activity, ease of recovery,...

A new and efficient manganese-based magnetic nanocatalyst has been developed via covalent grafting of the manganese acetylacetonate complex onto amine-functionalized silica-coated iron-core nanoparticles. The obtained nanomaterials were characterized by XRD, HRTEM, VSM, EDS, ICP-OES, FT-IR. resulting was found to be for selective oxidation organic halides alcohols desirable carbonyl compounds in terms excellent yields with high turnover number. effortless recovery catalyst its reusability...

In this work, biologically significant 3,3-di(indolyl)indolin-2-ones have been synthesized using a silica-coated magnetic-nanoparticle-supported 1,4-diazabicyclo[2.2.2]octane (DABCO)-derived and acid-functionalized ionic liquid as the catalytic entity. The fabricated nanocomposite catalyzes pseudo-three-component reaction of isatins indoles explicitly via hydrogen-bonding interactions between substrates catalyst. nanocatalytic system utilizes water green medium to obtain library indolinones...

This review aims to explore the design, development and applications of magnetically supported metal-free metal-containing ILs that play role catalytic moieties in various organic transformations.

Isoliquiritigenin (ISL) and liquiritigenin (LTG) are structurally related flavonoids found in a variety of plants. Discovery novel antimicrobial combinations for combating methicillin-resistant Staphylococcus aureus (MRSA) infections is vital importance the post-antibiotic era. The present study was taken to explore vitro vivo combination effect LTG ISL with β-lactam antibiotics (penicillin, ampicillin oxacillin) against mec A-containing strains MRSA. Minimum inhibitory concentration (MIC)...

A new magnetically recoverable silica-based nickel nanocatalyst was synthesized, characterized and applied for the first time as a catalyst in Suzuki–Miyaura cross-coupling reaction.

A robust, magnetically retrievable photoredox Ru-based heterogeneous nanocatalyst was fabricated for the highly regio-selective synthesis of <italic>N</italic>-aryl-tetrahydroisoquinoline derivatives.

A new, magnetic, silica-based, palladium nanocatalyst has been synthesized and employed for the first time in direct coupling of acyl chlorides with terminal alkynes to prepare a variety ynones. The nanocomposite is an excellent heterogeneous catalyst copper-free, phosphine-free, C-C bond formation through Sonogashira reaction under aerobic conditions at room temperature without use any additives inert conditions. comprehensively characterized by various techniques, such as XRD, SEM, TEM,...

3-O-Cinnamoylepicatechin (1) was synthesized along with four flavoalkaloids, (-)-6-(5‴S)-N-ethyl-2-pyrrolidinone-3-O-cinnamoylepicatechin (2), (-)-6-(5‴R)-N-ethyl-2-pyrrolidinone-3-O-cinnamoylepicatechin (3), (-)-8-(5‴S)-N-ethyl-2-pyrrolidinone-3-O-cinnamoylepicatechin (4), and (-)-8-(5‴R)-N-ethyl-2-pyrrolidinone-3-O-cinnamoylepicatechin (5) via esterification of epicatechin followed by phenolic Mannich reaction 1 theanine in the presence heat. The new compounds 1-5 were detected leaves...

A comprehensive overview of the magnetic hollow core and nano-rattle architectures with focus on emerging trends in synthetic protocols, functionalization approaches applications field confined catalysis environmental remediation.

The present investigation shows that certain substituted chalcone derivatives diminish the escalation of bacterial cells<italic>via</italic>inhibiting efflux pump and exhibit a synergistic interaction with norfloxacin.

This review aims to explore the design, development and applications of magnetically supported covalent organic frameworks (MCOFs) in extraction metal ions, nitro explosives chemical pollutants.

Abstract Artemisia annua (Asteraceae) is well known for its antimalarial activities due to presence of the compound artemisinin. We isolated a methoxy coumarin from stem part A. and confirmed identity as scopoletin through mass spectral data. The structure was established 1H-nuclear magnetic resonance (NMR), 13C-NMR. evaluated feeding deterrence growth inhibitory potential against noxious lepidopteran insect, Spilartctia obliqua Walker. Scopoletin gave FD50 (feeding 50%) value 96.7 μg/g diet...

Cerebral malaria is a serious and sometimes fatal disease caused by a<italic>Plasmodium falciparum</italic>parasite that infects female anopheles mosquito which feeds on humans.

A series of twenty one chalcone derivatives having indole moiety were synthesized and evaluated against four human cancer cell lines. Indolyl chalcones 1a, 1b, 1d, 1f-1j, 2c, 2e, 2i showed good anticancer activity. Chalcones 1b 1d the most active selective agents with IC50 values <1μg/ml 1.51μg/ml, WRL-68 line, respectively. Molecular mechanism was explored through in silico docking & ADMET studies. Keywords: 1, 3-Diaryl-2-propen-1-ones, Anticancer agents, chalcones.

Abstract In the present report, we have synthesized and characterized a magnetically retrievable, easily generated, chemically stable, environmental friendly silver based nanocatalyst for oxidation of thiols. The obtained heterogeneous catalyst was thoroughly by various techniques including X‐ray diffraction studies, Fourier transform‐infrared spectroscopy, Transmission electron microscopy, Field emission‐ scanning microscopy analysis, Vibrating sample magnetometric inductively coupled...

Artemisia annua (Asterales: Asteraceae) is one of the important natural sources antimalarial compounds i.e., artemisinin and artemisinic acid. Also this plant cultivated on a large area in India under industry-farmer partnerships. With view to enhance added value raw material A. its chemical constituents, we evaluated methanolic extract powdered leaves different isolated from for toxicity inhibition disruption growth development African pod borer, Helicoverpa armigera (Hübner) (Lepidoptera:...