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A New Anode for Lithium‐Ion Batteries Based on Single‐Walled Carbon Nanotubes and Graphene: Improved Performance through a Binary Network Design
10.1002/asia.201800220 2018-04-16 Carbon nanomaterials, especially graphene and carbon nanotubes, are considered to be favorable alternatives to graphite‐based anodes in lithium‐ion batteries, owing to their high specific surface area, electrical conductivity, and excellent mechanical flexibi... |
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Controllably Confined ZnO on USY Zeolites (USY@ZnO/Al2O3) as Efficient Lewis Acid Catalysts for Baeyer–Villiger Oxidation
10.1002/asia.201800218 2018-04-16 A ZnAl‐LDHs (layered double hydroxides) phase was readily formed on the surface of a USY zeolite through a distinctive in situ growth method that benefitted from the interaction of the added Zn source and aluminum species extracted from the Al‐rich USY zeolit... |
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Control of the Interfacial Wettability to Synthesize Highly Dispersed PtPd Nanocrystals for Efficient Oxygen Reduction Reaction
10.1002/asia.201800191 2018-04-14 Highly dispersed PtPd bimetallic nanocrystals with enhanced catalytic activity and stability were prepared by adjusting the interfacial wettability of the reaction solution on a commercial carbon support. This approach holds great promise for the development ... |
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Metal‐Free Allylic Oxidation of Steroids Using TBAI/TBHP Organocatalytic Protocol
10.1002/asia.201800256 2018-04-14 A mild, efficient and organocatalytic allylic oxidation of steroids using a TBAI/TBHP protocol has been developed. A range of bioactive Δ5‐en‐7‐ones can be easily prepared from the corresponding Δ5‐steroids. The methodology features several advantages, includ... |
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Sulfinate‐Salt‐Mediated Radical Relay Cyclization of Cyclic Ethers with 2‐Alkynylbenzonitriles toward 3‐Alkylated 1‐Indenones
10.1002/asia.201800211 2018-04-10 A new sulfinate salt‐mediated radical relay for the completion of C(sp3)−H bond indenylation of cyclic ethers with readily available 2‐alkynylbenzonitriles by combining silver/tert‐butyl peroxide (TBHP) was established, providing a wide range of 3‐alkylated 1... |
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Nature of Bonding in Bowl‐Like B36 Cluster Revisited: Concentric (6π+18π) Double Aromaticity and Reason for the Preference of a Hexagonal Hole in a Central Location
10.1002/asia.201800174 2018-04-10 The bowl‐shaped C6v B36 cluster with a central hexagon hole is considered an ideal molecular model for low‐dimensional boron‐based nanosystems. Owing to the electron deficiency of boron, chemical bonding in the B36 cluster is intriguing, complicated, and has ... |
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Efficient Synthesis of N‐Alkylated 4‐Pyridones by Copper‐Catalyzed Intermolecular Asymmetric Propargylic Amination
10.1002/asia.201800373 2018-04-06 Copper‐catalyzed intermolecular asymmetric propargylic amination with 4‐hydroxypyridines has been realized for the first time. In the presence of Cu complex derived from Pybox ligand, the N‐propargylated 4‐pyridones were obtained under mild reaction condition... |
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Synthesis of a Bis‐Urea Dimer and Its Effects on the Physical Properties of an Amphiphilic Tris‐Urea Supramolecular Hydrogel
10.1002/asia.201800361 2018-03-30 Supramolecular hydrogels were formed from mixtures of tris‐urea and a bis‐urea dimer in appropriate ratios, with the bis‐urea dimer acting as a covalent cross‐linker to connect the fibrous aggregates formed by the self‐assembly of tris‐urea. The introduction ... |
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Synthetic applications of transition metal catalyzed C‐P bonds cleavage
10.1002/asia.201800307 2018-03-30 Wide occurrence of carbon‐phosphorus (C‐P) bonds activation among modern organic synthesis, catalyst deactivation and biological process has aroused interest in its synthetic applications. Over the past few decades, transition metal‐mediated transformations h... |
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Boron Tribromide‐Assisted Chiral Phosphoric Acid Catalysts for Enantioselective [2+2] Cycloaddition
10.1002/asia.201800351 2018-03-30 BBr3‐assisted chiral phosphoric acid catalysts for enantioselective [2+2] cycloaddition were developed. The reactions of phenyl vinyl sulfide with α‐substituted acroleins proceeded, and the corresponding [2+2] cycloadducts were obtained with high enantioselec... |