4 results about "Thianthrene" patented technology

The application discloses an Ln(IV) complex and a synthesis method and application thereof, and belongs to the technical field of chemical synthesis. The synthesis method provided by the application comprises the following steps: electrolytic oxidation of an Ln(III) precursor in a mixed system of an electron transfer medium, a supporting electrolyte and a solvent; the electron transfer medium comprises at least one of thianthrene, tris(4-bromophenyl)amine, phenoxathiin and 10-methylphenothiazine; the supporting electrolyte comprises at least one of tetrabutylammonium tetrafluoroborate and tetrabutylammonium hexafluorophosphate; the solvent comprises acetonitrile; and the Ln(III) precursor comprises at least one of Pr(III) and Tb(III). The synthesis method provided by the application has the advantages of controllable process, low cost, high efficiency, high product yield, high purity, simple purification and the like. The application further provides the Ln(IV) complex synthesized by the synthesis method and application thereof.

Disclosed herein are a variety of systems, compositions, and methods for reversibly storing electrical energy in a redox flow battery with a unit cell potential equal to or greater than 3.5 volts. The systems may include a positive section, a negative section, and an electroactive bipolar redox molecule comprising an anolyte moiety and a thianthrene-containing catholyte moiety separated by a non-conjugating insulating linker. The thianthrene-containing catholyte moiety may comprise thianthrene or at least one of its derivatives and the non-conjugating insulating linker comprises at least two —CX2 linkers, wherein X comprises at least one atom of hydrogen and / or heteroatoms. The positive section may comprise a first metal electrode in contact with the electroactive bipolar redox molecule and a supporting electrolyte dissolved in a solvent. The negative section may comprise a second metal electrode in contact with the electroactive bipolar redox molecule and additional electrolyte dissolved in additional solvent.

This invention discloses a spiro(thioxanthracene-9,9'-oxoxanthracene)-2'-boronic acid pinacol ester and its synthetic method, belonging to the field of organic chemical synthesis. Its structural formula is as follows: This invention uses 2-bromothonone as a starting material, reacting it with benzenethiol to synthesize 2'-bromospiro(thioxanthracene-9,9'-oxoxanthracene), and then synthesizing the compound spiro(thioxanthracene-9,9'-oxoxanthracene)-2'-boronic acid pinacol ester via a Suzuki-Miyaura reaction. The synthetic method of this invention is simple to operate, has low production costs, and produces a product with a purity greater than 99.9%, meeting the needs of industrial production and application. It is suitable for industrial production and expands the application of spirocyclic compounds as intermediates in the design and synthesis of organic optoelectronic functional materials.

The present application belongs to the field of chemical synthesis, and relates to a kind of deuterated methyl-containing enamine ketone compound and preparation method thereof. 3-azido high allyl alcohol derivative is mixed with 5-(deuterated methyl) 5H-thianthrene-5-triflate, photocatalyst, base and solvent to obtain a homogeneous solution; the homogeneous solution is placed in a reaction tube provided with a light source to carry out reaction, and a deuterated methyl-containing enamine ketone compound is obtained. In the preparation method provided by the present application, the reagent used has small pollution, high safety and simple experimental operation, which improves the apparent reaction rate and the selectivity of the product, and is beneficial to large-scale continuous production. In the preparation method of the present application, no expensive transition metal catalyst is used, which greatly reduces the reaction cost and solves the environmental pollution problem caused by post-processing. The method provided by the present application can not only realize the deuterated methylation of 3-azido high allyl alcohol derivative, but also can be further derived to the double functionalization of unsaturated bond.