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Construction of Quaternary Centers Bearing Both Trifluoromethyl and Phosphorus Substituents Based on Base Catalyzed 1,6-Hydrophosphonylation of delta-CF3 Substituted p-Quinone Methides

期刊: CHEMISTRY LETTERS, 2021; 50 (8)

A NaOtBu catalyzed direct 1,6-hydrophosphonylation of delta-aryl-delta-CF3 substituted p-QMs with diarylphosphine oxides has been described. A broad r......

Strategies for the Total Synthesis of the Furanosteroids: wortmannin and viridin

期刊: CHEMISTRY LETTERS, 2021; 50 (3)

Furanosteroids are polycyclic natural products isolated from fungus, which consist of wortmannin and viridin containing a [5,6,6,6]-tetracyclic skelet......

Selenium-catalyzed Functionalization of Alkynes

期刊: CHEMISTRY LETTERS, 2021; 50 (5)

Selenium catalysis has become an exciting area in organic synthesis. In various selenium-catalyzed reactions, different substrates have been utilized.......

Covalent Organic Frameworks for Sunlight-driven Hydrogen Evolution

期刊: CHEMISTRY LETTERS, 2021; 50 (4)

An energy crisis is presently encountered with a promising opportunity for the rise of hydrogen technology, while feasible production of hydrogen call......

Single-crystal-to-single-crystal Transformations for the Preparation of Small Molecules, 1D and 2D Polymers Single Crystals

期刊: CHEMISTRY LETTERS, 2021; 50 (5)

The single-crystal-to-single-crystal (SCSC) transformation is a fascinating and valuable outcome of topochemical reactions. Not like the solution-stat......

Photoelectrical Properties of High-index Facets ZnO Nanobelts

期刊: CHEMISTRY LETTERS, 2021; 50 (5)

ZnO nanobelts (NBs) with high-index facets are synthesized by a single-step chemical-vapor-solid method. The new ZnO NBs with a high-index of the main......

A Stable CsPbI2Br Perovskite Film Prepared in Air Atmosphere by Mesophase Transformation Strategy

期刊: CHEMISTRY LETTERS, 2021; 50 (8)

A black phase CsPbI2Br film was prepared by mesophase transformation strategy in air atmosphere, and a methylamine acetate vapor-assisted annealing me......

Ultrasonic-assisted Solvent Extraction Method for the Determination of Environmentally Persistent Free Radicals in PM2.5

期刊: CHEMISTRY LETTERS, 2021; 50 (7)

Environmentally persistent free radicals (EPFRs) are a class of long-lived environmental risk substances that exist in air fine particulate matter (PM......

Synthesis of Self-healing Magnetic Microcapsules with Targeted Delivery through Magnetizing Emulsifiers

期刊: CHEMISTRY LETTERS, 2021; 50 (8)

Targeted delivery self-healing microcapsules have higher self-healing effect and lower cost, but there are few preparation methods. Here, we have show......

Preparation of Electro-optically Responsive Liquid Crystal Nanocapsules by Miniemulsion Polymerization of Oil-in-Water Emulsion Monomer Droplets

期刊: CHEMISTRY LETTERS, 2021; 50 (8)

Electro-optically responsive liquid crystal (LC) nanocapsules were prepared by miniemulsion polymerization of oil-in-water emulsion monomer droplets d......

Cl-doped MAPbI(3) Perovskite Single Crystal Inducing a High Thermoelectric Effect

期刊: CHEMISTRY LETTERS, 2021; 50 (8)

Recently, the methylammonium lead triiodide perovskite (MAPbI(3)) has shown great development potential in the solar cell field, and its efficiency as......

One-dimensional Hierarchical Porous Layered Oxide LiNi0.8Co0.1Mn0.1O2 Cathode for Lithium-ion Batteries via Self-template Interstitial Co-precipitation Method

期刊: CHEMISTRY LETTERS, 2021; 50 (7)

A novel architecture, one-dimensional, microrod-like Ni-rich LiNi0.8Co0.1Mn0.1O2 cathodes assembled from small primary particles have been successfull......

Rapid High-temperature Synthesis of Nanosized ZSM-22 Zeolite

期刊: CHEMISTRY LETTERS, 2021; 50 (3)

Nanosized ZSM-22 with high crystallinity was synthesized rapidly by a high-temperature hydrothermal synthesis method. The effects of synthesis conditi......

Fabrication of Amphiphilic Janus Silica Nanospheres for Pickering Emulsions

期刊: CHEMISTRY LETTERS, 2021; 50 (6)

We report a facile method for preparation of amphiphilic Janus silica nanospheres using layered double hydroxide as a protective support. The unprotec......

Selective Extraction and Separation of Titanium from Vanadium Slag and Preparation of TiO2

期刊: CHEMISTRY LETTERS, 2021; 50 (3)

Vanadium slag usually contains 13.52-19.03 mass % V2O3 and 6.92-14.35 mass % TiO2. The V in vanadium slag is effectively extracted by traditional meth......

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