Chemist strengthens the catalyst for oxidiazoles synthesis by 3 times

20-Jul-2021 - RUDN and Shahid Beheshti University (SBU) chemist proposed a protocol for converting cellulose into a catalyst for the synthesis of oxadiazoles. The new approach makes the catalyst 3 times more stable compared to the same catalyst obtained by the traditional method. The results are published in ...

Chemists created cheap catalysts for ethanol conversion

Important stage in the development of an alternative technology for obtaining valuable chemical synthesis products based on plant raw materials

08-Jun-2021 - RUDN University chemists proposed a new way to synthesize catalysts for the conversion of ethyl alcohol. The obtained materials are promising catalysts for the selective conversion of ethanol, which is an important stage in the development of an alternative technology for obtaining valuable ...

Chemists used crab shells to improve palladium catalysts

A new type of palladium catalysts based on chitin can be reused over 10 times

17-Dec-2020 - Chemists from RUDN University synthesized soluble biopolymers based on chitin from crab shells. Together with palladium, they form effective catalysts for organic reactions, and their nanoparticles can be re-used over ten times. Palladium-based catalysts are used to speed up cross-coupling ...

RUDN University chemist created a catalyst from orange peel for organic compounds production

27-Oct-2020 - N-heterocycles are organic substances used in the chemical industry and medicine. To produce them, expensive catalysts made from noble metals are used. A chemist from RUDN University developed a nanocatalyst for N-heterocycles that consists of zinc oxide and niobium and can be obtained using ...

Chemist created a niobium-silica catalyst to boost petrochemical reactions

Catalyst reduces the time of alkylation reactions from several hours to just 10 minutes

08-Oct-2020 - Alkylation reactions are used in the petrochemical industry to obtain high-octane number components for gasolines. A chemist from RUDN University found a way to speed this process up to 24 times. To do so, he developed a catalyst based on silica and niobium. The results of his work were published ...

Chemist developed a new type of one-molecule thick water-repellent film

2D organic nanofilms can be used to create protective hydrophobic or anti-corrosion coatings for organic electronics or to develop molecular filters

14-Sep-2020 - A chemist from RUDN University together with colleagues created a new type of two-dimensional nanofilm from an organic material called calixarene. The invention can be used as a protective coating in electronics and as a part of molecular filters. They also suggested a way of increasing the ...

Chemist developed a green catalyst for pharmaceutical and industrial chemistry

Catalyst based on a substance that comes from plant waste

08-Sep-2020 - Many production facilities (e.g. plastic manufacturers, pharma companies, and others) use nanocatalysts that contain palladium--an expensive component that is not sustainably produced. A chemist from RUDN University found a way to reduce palladium consumption and to make its manufacture more ...

Disproving the universal nature of the mercury test

Mercury test of catalysts that has been considered universal for 100 years seems to be ambiguous

26-Oct-2018 - The mercury test of catalysts that has been used and considered universal for 100 years, turned out to be ambiguous. This conclusion was made by a group of scientists including a RUDN chemist. The group confirmed that the test required additional control experiments to verify its results. The ...

A new nanocatalyst for obtaining hydrogen

19-Oct-2018 - A chemist from RUDN was the first to use catalysts with ruthenium nanoparticles to obtain hydrogen under the influence of visible light and UV radiation. In the future, such catalysts may be used for large-scale production of hydrogen fuel under the influence of sunlight.Photochemical reactions ...

Nanoreactors to synthesize organic substances under visible light

A new type of photocatalysts -- nanostructures from titanium dioxide

11-Oct-2018 - A RUDN chemist developed a new type of photocatalysts - nanostructures from titanium dioxide. Hollow nanocubes with ultra-thin walls act like nanoreactors and provide for 28 fold more effective organic reactions at room temperature under the influence of visible light. Traditional methods of ...