A novel magnetic nanoparticle supported dual acidic ionic liquid catalyst was synthesized by anchoring 3-sulfobutyl-1-(3-propyltriethoxysilane) imidazolium hydrogen sulfate onto the surface of silica-coated Fe3O4 nanoparticles. Due to combination nano-support features and flexible linkers, it acted as a "quasi-homogeneous" effectively catalyze one-pot synthesis benzoxanthenes three-component condensation dimedone with aldehyde 2-naphthol under solvent-free conditions. More importantly, could...

MOSAEC-DB represents the largest and most diverse dataset of experimental MOFs suitable for simulation machine learning applications. Novel approaches utilizing metal oxidation states enhance its chemical accuracy relative to past MOF databases.

A supported dual acidic ionic liquid catalyst was prepared via anchoring 3-sulfobutyl-1-(3-propyltriethoxysilane) imidazolium hydrogen sulfate onto silica gel by covalent bonds. The novel immobilized effectively catalyzed the one-pot synthesis of amidoalkyl naphthols multicomponent condensation aldehydes with 2-naphthol and amides under solvent-free conditions. Moreover, could be recycled six-times without a significant loss catalytic activity.

A breakthrough in polynitrogen chemistry was recently achieved by our bulk synthesis of (N5)6(H3O)3(NH4)4Cl which the cyclo-pentazolate anions were stabilized extensively hydrogen bridges with NH4+ and OH3+ cations. Significant efforts have been carried out to replace these nonenergetic cations Cl– anion more energetic In this paper, metathetical syntheses salts containing simple nitrogen-rich NH4+, NH3OH+, N2H5+, C(NH2)3+, N(CH3)4+ are reported. These characterized their crystal structures;...

Fluorogens with aggregation-induced emission (AIEgens) are a unique type of luminescent materials for sensing and imaging applications. The integration AIE characteristics into metal–organic frameworks (MOFs) structure is an emerging research field that has greatly advanced the optical properties MOFs. This Review mainly focuses on development MOFs highlights their applications in analytical biomedical fields. first part discusses design MOF from perspective linkers, metal nodes,...

Four 2,9-aryl substituted 6,13-bis(triisopropylsilylethynyl)pentacene derivatives were synthesized as sonosensitizers. Their extensive delocalized π-electron conjugation system facilitated the generation of reactive oxygen species (ROS) under ultrasound irradiation. Therapeutic results validate that as-prepared compounds have significant advantages in sonodynamic therapy.

A new recyclable temperature-dependant phase-separation system comprised of PEG-1000-based dicationic acidic ionic liquid and toluene was developed used in one-pot three-component condensation to prepare benzopyrans excellent yields (up 93%).

A novel magnetic nanoparticle-supported nano-palladium catalyst was successfully prepared via a “click” route. The as-prepared well characterized and evaluated in Suzuki–Miyaura coupling terms of activity recyclability aqueous ethanol. It found to be highly efficient for the reactions various aryl bromides with arylboronic acids under phosphine-free low Pd loading (0.2 mol%) conditions. Moreover, could easily separated from reaction system by an external magnet reused several times without...

Abstract magnified image An efficient and convenient method for the synthesis of polyfunctionalized 4 H ‐pyrans has been achieved through one‐pot condensation aromatic aldehydes, malononitrile, 4‐hydroxycoumarin, phenols or active methylene carbonyl compounds such as 1, 3‐cyclohexanedione dimedone in presence 1‐butyl‐3‐methyl imidazolium hydroxide ([bmim]OH) catalyst aqueous media. This offers several advantages short reaction time, high yields, simple procedure. J. Heterocyclic Chem., (2009).

A novel MNP-supported basic IL catalyst was prepared and used as a magnetically recoverable for Hantzsch Knoevenagel condensation.

An efficient and cost-effective copper-mediated aerobic oxidative C-H iodination nitration of indoles via double functionalization is reported. The domino process proceeds smoothly under mild conditions to give 3-iodo-2-nitroindoles in one step with high regioselectivity a broad substrate scope. mechanism the proposed proceed Cu(iii)-iodide species that undergoes electrophilic addition at C3 position indole motif. subsequent involves sequence activation, nitro radical addition, reductive elimination.

A novel poly(ethylene glycol) bridged tertiary amine functionalized ionic liquid PEG800-DPIL(Cl) was synthesized. It can form a temperature driven reversible biphasic system with cyclohexane/isopropanol mixed solvent. This applied in Knoevenagel condensation up to 99%. could be simply recovered and recycled for several runs.

A new magnetic nanoparticle‐supported Schiff base complex of manganese was prepared via the copper‐catalyzed ‘click’ reaction an aminosalicylidene bearing terminal alkynyl with azide‐functionalized shell–core nanoparticles. The as‐prepared catalyst applied in oxidation alcohols to corresponding aldehydes or ketones high yield and selectivity when carried out dimethylsulfoxide at 110°C for 4 h using tert ‐butyl hydroperoxide as oxidant. Moreover, can be easily separated from mixture external...

A novel high-performance energetic compound of the polynitroazaadamantane family, 2,4,4,6,8,8-hexanitro-2,6-diazaadamantane, was designed and synthesized from 1,5-cyclooctadiene by two routes. Based on experimental calculated results, it exhibits a surprisingly high density (1.959 g cm–3), thermal stability (onset decomposition temperature 235 °C), positive heat formation, excellent detonation properties. These fascinating properties, which are comparable to those CL-20, show great promise...

Abstract The direct synthesis of dimethyl carbonate from methanol and CO 2 is a green sustainable processes. In this paper, new type Zn‐doped CeO nanorods catalyst was successfully prepared by facile hydrothermal process, characterized combination techniques including XRD, Raman, HRTEM, SEM, N ‐sorption, ‐TPD, NH 3 XPS. employed as for the . Catalytic results revealed that Ce 1 Zn 0.1 O δ demonstrated superior catalytic activity, affording high DMC yield 24.2 mmol /g cat , which compared...

DNA nanodevices have been feasibly applied for various chemo-biological applications, but their functions as precise regulators of intracellular organelles are still limited. Here, we report a synthetic binder that can artificially induce mitochondrial aggregation and fusion in living cells. The rationally designed consists long chain, which is grafted with multiple mitochondria-targeting modules. Our results indicated the binder-induced situ self-assembly mitochondria be used to...