Herein, a facile one-pot multicomponent protocol for the synthesis of biologically important pyrano[2,3-<italic>c</italic>]pyrazole and benzylpyrazolyl coumarin derivatives has been demonstrated using ZrO₂ nanoparticles as reusable catalyst at room temperature.

Herein, we have reported hierarchical mesoporous RuO2/Cu2O nanoparticle-catalyzed selective aerobic oxidative homo/hetero azo-coupling of anilines under oxidant/base/additive-free conditions. The synergistic effect the individual oxides was established by density functional theory calculations and experimental studies.

Here, we have reported multicomponent synthesis of diverse pyran fused chromenes namely 2-aminochromene, dihydropyrano[3,2-<italic>c</italic>]chromene, and chromeno[4,3-<italic>b</italic>]chromene derivatives using fluorescent<italic>t</italic>-ZrO₂nanoparticles as reusable catalyst in water.

Abstract Here, we have reported fabrication of graphitic polymeric C 3 N 4 supported CuCl 2 (Cu@g‐C ) and characterized by powder X‐ray diffraction, field emission scanning electron microscopy, high resolution transmission photoelectron spectroscopy studies. An efficient regioselective protocol for the on water synthesis 4‐aryl‐ NH ‐1,2,3‐triazole derivatives via 1,3‐diipolar cycloaddition reactions nitroolefins/phenylacetylenes to sodium azide were demonstrated using Cu@g‐C as robust...

Here, we have demonstrated Michael addition of active methylene compounds, aromatic/aliphatic amines, thiols and alcohols to conjugated alkenes using magnetic nano-NiFe₂O₄ as reusable catalyst in water.

Here, we have demonstrated regioselective synthesis of novel 2-alkoxy-3-arylimidazo[1,2-<italic>a</italic>]pyridines using nano-NiFe₂O₄ as reusable catalyst <italic>via</italic> one-pot sequential aza-Michael addition, Fe-promoted ligand transfer and C–H imination reactions.

Here, we have demonstrated magnetic nano-NiFe₂O₄ catalyzed transfer hydrogenation of olefins/alkynes using isopropyl alcohol as source hydrogen under ligand and Ru/Pd-free conditions dehydrogenation alcohols oxidant-free conditions.

Here, we have reported enhanced molecular binding affinities of benzylpyrazolyl coumarin scaffolds with COX-II inhibitor and an ionic liquid catalyzed simple green synthetic route to access these scaffolds.

Here, we have reported CuO nanoparticles catalyzed synthesis of poly-functionalized furan derivatives <italic>via</italic> direct functionalization α,β-unsaturated carbonyl compounds through conjugate addition initiated domino reactions in aqueous ethanol.

Abstract An acid‐functionalised, magnetic, room‐temperature ionic liquid, 1‐acyl‐3‐methylimidazolium tetrachloroferrate ([AcMIm]FeCl 4 ), was synthesised and its optical, thermal properties were investigated. The magnetic moment (0.05402 emu in 2 T fields) showed strong paramagnetic behaviour, thermogravimetric analysis indicated very good stability with a decomposition temperature higher than 230 °C. Additionally, [AcMIm]FeCl efficiently catalysed the oxidative ipso ‐hydroxylation of...

Regioselective synthesis of 2-alkoxyimidazopyridines by Fe-SBA-15 and screening their<italic>in silico</italic>binding affinity to biological targets.

Fe-based magnetic nanoparticles (MNPs) have attracted much attention due to its unique properties like high surface reactivity and selectivity, easy separation by external magnet recyclability. Here, in this review, recent advances on MNPs promoted multicomponent reactions (MCRs), oxidation/reduction carbon–carbon/carbon–heteroatom bond formation been discussed.

Abstract Here, we have demonstrated an efficient protocol for the synthesis of coumarin‐3‐carboxamides via one‐pot multicomponent reactions 2‐hydroxy‐benzaldehyde, ethyl cyanoacetate and aromatic/aliphatic amines using magnetically separable nano‐Fe 3 O 4 as reusable catalyst in aqueous ethanol. This is first to produce coumarin‐3‐carboxamides. The are very fast (5 min.) high yielding (74‐99%). was separated simply by external magnet, after completion reaction recycled up 10 times without...

Abstract Hybrid Ni@g‐C 3 N 4 ‐catalyzed highly chemoselective reduction of nitroarenes with high turnover frequency has been demonstrated using NaBH as source hydrogen. Here, g‐C provides excellent stability to Ni(0) nanoparticles on its nitrogen rich surface and also facilitates the dissociation resulting formation active Νi‐H + ‐ via cooperative effect.

Silica (SiO₂) supported bimetallic copper/silver nanoparticles (Cu/Ag@SiO₂NPs) were synthesized for clean oxidation of benzoins/benzyl alcohols. All the reactions fast, and high yielding (95–99%) Cu/Ag@SiO₂nano-catalyst was reused eight times without loss its catalytic performance.

Herein, we have reported the synthesis, crystal structure, thermogravimetric property, and photoluminescence activity of a new Cu-based metal organic framework (MOF): {[Cu2(2,5-pdc)2(ald-4)(H2O)2]·3H2O,MeOH}n (where 2,5-pdc = 2,5-pyridine-dicarboxylate, ald-4 aldrithiol-4) along with catalytic CuO nanoparticles (Cu-NPs) derived from MOF for green synthesis molecules having biological relevance. The regular arrangement centers presence oxygen carbon in metal–organic frameworks (MOFs) enable...

The synthesis of β-hydroxysulfones selectively in preference to β-ketosulfones by dye-sensitized photocatalysis is demonstrated employing inexpensive and readily available olefins sulfonyl hydrazides/N-hydroxy sulfonamides the presence oxygen. facile hydroxysulfonylation reaction, which involves use rose bengal (RB) as a photocatalyst dioxygen an oxidant, permits access secondary tertiary good excellent isolated yields at rt compatible with aryl, heteroaryl alkyl hydrazides. Mechanistically,...

Abstract A series of novel integrated bio‐active pyrimidine‐thiazole derivatives have been efficiently synthesized via NiFe 2 O 4 ‐NP‐catalyzed, one‐pot three component reactions in aqueous ethanol as green solvent. The compounds were screened against different cancer cell lines (A375, HeLa, and MCF‐7) it was observed that thiazole exhibited good anticancer activity A375 MCF‐7 line comparable to erlotinib. Compound h displayed all the A375, HeLa MCF‐7. silico molecular docking studies for...

Green synthesis of functionalized 6-arylamino pyridines and 2-pyrrolidinone derivatives using tetragonal ZrO₂nanoparticles as reusable catalyst in aqueous ethanol.

Covalent polymerization of contrived molecular building blocks leads to porous organic polymers (POPs) with intrinsic microporosity. Leveraging the results our extensive investigations systems based on twisted biaryl scaffold as applied metal−organic frameworks (MOFs) and light-emitting diodes (OLEDs), we envisioned that Fridel-Crafts polyalkylation 2,2′,6,6′-tetramethylbiphenyl core α,α′-dichloro-p-xylene should lead a hypercrosslinked polymer assured porosity. Furthermore, sulfonation...

Solvent-switching allows formation of either β-hydroxy-2-arylethyl aryl sulfides or 2-arylethyl sulfones exclusively in thiol–ene ‘click’ reactions conducted with Oxone.