ArtikelQuantum Design and Synthesis of a Gasoline Marker Based on a Phenol‐Functionalized Supramolecular Quaternary‐Salt Complexvon Enrique Soto‐Castruita et al. · 22.09.2023 The use of markers in the gasoline market is an important business issue that promotes the development of supramolecular surfactants (SSs). This work is based on generating MR⋅⋅⋅OA⋅⋅⋅(PhOH) i a SS, between methylene red (MR) with oleyl amine (OA...
ArtikelLewis Acidity of Hydrosilanes: Synthesis of β‐Alkoxy Alcohols via the Triphenylsilane‐Catalyzed Ring‐Opening Reaction of Epoxidesvon Toru Hashimoto et al. · 22.09.2023 Ph3SiH works as a Lewis-acidic catalyst for the ring-opening reaction of di- and tri-substituted epoxides with primary and secondary alcohols. The reactions proceed smoothly under mild conditions to provide the β-alkoxy alcohols in high yield. Abs...
ArtikelCarbon‐Sulfur Bond Formation via Ipso Nucleophilic Substitution of Electron‐Deficient Benzenesulfonic Acid with Thiolvon Sandip Mondal et al. · 22.09.2023 An efficient method for synthesizing 2,4-dinitroaryl thioether derivatives is disclosed by ipso substitution of an aromatic sulfonic acid by thiol. This methodology neither requires any transition metal catalyst nor harsh conditions. Suitable modifi...
ArtikelEfficient Synthesis of Quinoxalines by I2/AgNO3 Co‐Promoted One‐Pot Annulation of Alkynes with 1,2‐Arylenediaminesvon Wei Zhang et al. · 22.09.2023 An efficient I2/AgNO3 co-promoted one-pot annulation of alkynes with 1,2-arylenediamines into quinoxalines is reported. The reaction proceeded smoothly under mild conditions and rapidly generated quinoxalines (37 examples) in good to excellent yield...
ArtikelMicrowave‐assisted Four‐component Cascade Reaction: One‐pot Rapid Access in the Metal‐free Synthesis of Fully Substituted Pyrrolesvon Zhou Zhang et al. · 22.09.2023 An efficient methodology for the synthesis of a variety of fully substituted pyrroles from amines, 4-hydroxycoumarins, and ketones four-component cascade reaction via microwave-assisted rapid Michael addition/ cyclization/ aromatization, affording t...
ArtikelAntifungal Properties of Nanosilver Clay Composites Against Fungal Pathogens of Agaricus bisporusvon Tebogo Levy et al. · 22.09.2023 The study demonstrated the antifungal properties of nanosilver clay composites against selected pathogenic and competitive fungi of Agaricus bisporus (Mushroom) and their potential use as alternative fungicides with no adverse effect on mushroom pro...
ArtikelTotal Synthesis of Aporphine Alkaloids via Benzyne Chemistry: Progress Towards a Late‐Stage Enantioselective Hydrogenation and Neuroprotective Activity Evaluationsvon Tamiris Reissa et al. · 22.09.2023 The enantioselective total synthesis of (S)-nuciferine, the first total synthesis of (±)-urabaine, and our second-generation total synthesis of lysicamine were accomplished employing a dehydroaporphine intermediate obtained via benzyne chemistry, an...
ArtikelTransition Metal Catalyst Free and Single‐Step Synthesis of Significant Thiosemicarbazones via Oxidative Coupling Strategyvon S. Dharani et al. · 22.09.2023 The efficacy and selectivity of the transition metal-free catalysis have been emphasized in constructing thiosemicarbazone derivatives from the dehydrogenative coupling of alcohols and thiosemicarbazides under aerobic conditions. A broad spectrum of...
ArtikelA Fluorescent Benzothiazole Probe for the Detection of Carboxylesterase and Carbamate Pesticidesvon Jingyi Feng et al. · 22.09.2023 A benzothiazole fluorescent probe (probe 1) was developed for the determination of carboxylesterase and carbamate pesticides. Probe 1 can be used as a tool for the rapid detection of carbamate pesticides using smartphones. Abstract A benzothiazole...
ArtikelCharacterization of Secondary Metabolites Identified in Lentinula edodes and Determination of Their Biological Activities by in‐silico Antioxidant Screeningvon Zeemal Seemab et al. · 22.09.2023 The current study evaluates the phytochemical components, total phenolics, total flavonoids, antioxidants (ABTS, DPPH), and pharmacological activities from selected fractions (chloroform, ethyl acetate and hexan) of methanolic extract of whole mushr...
ArtikelComputer‐Assisted Identification of Inhibitor with Novel Pharmacophore Targeting First Kringle Domain of Hepatocyte Growth Factorvon Junichi Taira et al. · 22.09.2023 Chemical library which containing 154,118 compounds was screened by in silico SBDS for identification of small compounds capable of inhibiting HGF-Met mediated signal transduction. The screening allowed the identification of one compound with inhibi...
