Materiales

 

Materiales

Cover Image, Volume 120, Number 12, December 2023
28/11/2023 - The cover image is based on the Research Article Combination of microbial and chemical synthesis for the sustainable production of ??elemene, a promising plant?extracted anticancer compound by...
High?Performance and Stable Polyaniline@Niobium Sulfide Electrode for an Asymmetric Supercapacitor
29/11/2023 - Due to exceptional conductivity, large pore size, and high stability, conducting polymers have attracted great interest. The conducting polymer polyaniline (PANI) and niobium sulfide (NbS) were...
Modeling and Simulation of N?(3?Aminio?4 methylphenyl)benzamide Synthesis in a Microreactor
27/11/2023 - N?(3?Amino?4?methylphenyl)benzamide is an important building block in the production of various medicines. Its flow synthesis from 4?methylbenzene?1,3?diamine and benzoic anhydride in a coil...
Green synthesis of CuO nanoparticles using Agaricus bisporus extract as a highly efficient catalyst for the Suzuki cross?coupling reaction
28/11/2023 - Copper oxide nanoparticles (CuONPs) were synthesized using a rapid, eco?friendly, cost?effective, efficient, and biological method employing aqueous Agaricus bisporus extract as a capping and...
Synthesis and in Silico Studies of Some New 1,2,3?Triazolyltetrazole Bearing Indazole Derivatives as Potent Antimicrobial Agents
29/11/2023 - 1,2,3?Triazole and tetrazole derivatives bearing pyrrolidines are found to exhibit notable biological activity and have become useful scaffolds in medicinal chemistry for application in lead...
Preliminary Evaluation of Wound Healing Potential of Leonurus japonicus Houtt. Extracts
29/11/2023 - Leonurus japonicus Houtt. is a medicinal plant popular in Brazil as “rubim”, used in local folk medicine for several applications as an anti?inflammatory, antioxidant, analgesic, and...
Hierarchically Porous Covalent Organic Frameworks: Synthesis Methods and Applications
29/11/2023 - Covalent organic frameworks (COFs) with high porosity have garnered considerable interest for various applications owing to their robust and customizable structure. However, conventional COFs are...
Collective Synthesis of Sarpagine and Macroline Alkaloid?Inspired Compounds
29/11/2023 - A compound collection inspired by both biology?oriented synthesis and pseudo?natural product design concepts was rapidly accessed by divergent synthesis. Biological evaluation revealed compounds...
Entropy?Enthalpy Compensation in Solvent Geometry Regulated Supramolecular Polymerization of Luminescent Napthalimide via a Non?Cooperative, Isodesmic Mechanism
29/11/2023 - Supramolecular polymers of ??conjugated systems are an important class of materials with fascinating functions and properties originated from the dynamic behavior and highly ordered molecular...
Discovery of Unusual Ajmaline?Macroline Type Bisindole Alkaloids from Alstonia macrophylla by Building Blocks?Based Molecular Networking
29/11/2023 - Three unusual ajmaline?macroline type bisindole alkaloids, alsmaphylines A?C, together with their postulated biogenetic precursors, were isolated from the stem barks and leaves of Alstonia...
Mechanochemical Synthesis of Non?Solvated Dialkylalumanyl Anion and XPS Characterization of Al(I) and Al(II) Species
29/11/2023 - A non?solvated alkyl?substituted Al(I) anion dimer was synthesized by a reduction of haloalumane precursor using a mechanochemical method. The crystallographic and theoretical analysis revealed its...
Dehydrogenative Electrochemical Synthesis of N?Aryl?3,4?Dihydroquinolin?2?ones by Iodine(III)?Mediated Coupling Reaction
29/11/2023 - Electrochemically generated hypervalent iodine(III) species are powerful reagents for oxidative C?N coupling reactions, providing access to valuable N?heterocycles. A new electrocatalytic hypervalent...
Copper?mediated N?Trifluoromethylation of O?Benzoylhydroxylamines
29/11/2023 - The use of trifluoromethyl containing compounds is well established within medicinal chemistry, with a range of approved drugs containing C?CF3 and O?CF3 moieties. However, the utilisation of the...
Water?Based Synthesis of ??Sheet?Like Supramolecular Metallohydrogel Organized by Using a Native Ultrashort Peptide Sequence
28/11/2023 - Designing supramolecular hydrogels using short peptides is challenging. To control self?assembly, a certain amount of organic solvent is typically added to the system, or the short peptide is...
Synthesis of ??Hydroxysulfides via Multi?Component Cascade Hydroxysulfenylation of Styrenes with NH4SCN and Water under Transition?metal?free Conditions
27/11/2023 - We have constructed ??hydroxysulfides through a multi?component reaction, resulting in the synthesis of 34 compounds with a maximum yield of 87?%. The reaction exhibited good substrate compatibility,...
Dibenzi Heteroheptaphyrin(2.0.1.1.1.1.0)s: Synthesis, Spectral, Redox and Theoretical Studies
27/11/2023 - We synthesized dibenzi heteroheptaphyrin(2.0.1.1.1.1.0)s by condensing bis(phenylene ethene) based hexapyrrane with heterocyclic diol, 2,5?bis(??hydroxy???arylmethyl) thiophene or selenophene under...
Excellence in acrylation – scope and limitation of glucosyl imidazolium?coated Novozym 435 catalyzed (meth)acryl ester synthesis
27/11/2023 - The incorporation of carbohydrate based ionic liquids as a support for Novozym 435 was previously studied by the authors for the acrylation of n?butanol as the target substrate, which was used as the...
Palladium(II)?immobilized Triptycene based Hypercrosslinked Polymers: An Efficient, Green, and Reusable Heterogenous Catalyst for Suzuki?Miyaura Cross?coupling Reaction
27/11/2023 - Pd(II)?immobilised triptycene based hyper?crosslinked porous organic polymer (Pd@TP?iHCP) was found to be an efficient and sustainable catalyst for Suzuki?Miyaura cross?coupling (SMCC) reaction. The...
One?Flow Synthesis of Substituted Indoles via Sequential 1,2?Addition/Nucleophilic Substitution of Indolyl?3?Carbaldehydes
28/11/2023 - Rapid one?flow sequential 1,2?addition/nucleophilic substitution of indolyl?3?carbaldehydes was performed without isolating the highly electrophilic unstable intermediates. Use of a microflow...
Synthesis of Fluoren?9?ones via Pd?Catalyzed Annulation of 2?Iodobiphenyls with Vinylene Carbonate
29/11/2023 - A novel palladium?catalyzed intermolecular selective C?H cyclocarbonylation of 2?iodobiphenyls is described. Intriguingly, the vinylene carbonate acts as a carbon monoxide transfer agent to enable...