Events

This presentation is dedicated to the modification of the Biginelli reaction for the synthesis of trisubstituted imidazoles from readily available acyclic N, N-bis-nucleophiles, 2-oxoaldehydes and 1,3-dicarbonyl compounds. Most of the synthesized products were successfully used in the subsequent photocyclization reaction to form structurally interesting polycyclic molecules. The replacement of N, N-bis-nucleophiles to ketenaminals allowed to carry out a similar process in a chemoselective manner to obtain a diverse library of fused polyheterocycles including pyrrolo[2,1-b]thiazoles, pyrrolo[1,2-a]imidazoles and imidazo[1,2-a] quinolines.

The scientific seminar is dedicated to improving the quality of teaching foreign languages and cultures in accordance with the new challenges posed to humanitarian education; expanding active contacts with scientists and teachers of foreign languages and humanities from leading universities, raising the status of foreign languages and humanities, developing the academic reputation of the RUDN University named after Patrice Lumumba and the incoming mobility of leading scientists.

Protecting modern network infrastructure against cyberattacks is becoming increasingly difficult due to its complex and ever-changing nature. Developing a comprehensive approach known as defensible network architecture is essential to address this challenge. This approach is based on several fundamental principles, including defense in depth, zero trust, segmentation, micro-segmentation, and automation.

A button sensor antenna for on-body monitoring in wireless body area network systems is presented. Due to the close coupling between the sensor antenna and the human body, it is highly challenging to design sensor antenna devices. In this report, a mechanically robust system is proposed that integrates a dual-band button antenna with a wireless sensor module designed on a printed circuit board.

Presentations at the seminar will provide an overview of methods for monitoring and assessing the condition of urban green spaces, and will also present modern methods that can be used to determine indicators of the condition of green infrastructure.

The integration of 5G technologies is becoming a must for mobile network operations (MNOs) to remain efficient in the marketplace and efficiently Multi-access edge computing (MEC) is one of the key elements of solving critical problems in telecommunications. Optimizing application placement in MEC-based networks requires including as many options as possible for better deployment.

The integration of 5G technologies is becoming a must for mobile network operations (MNOs) to remain efficient in the marketplace and efficiently Multi-access edge computing (MEC) is one of the key elements of solving critical problems in telecommunications. Optimizing application placement in MEC-based networks requires including as many options as possible for better deployment.

The career of a teacher has always been considered prestigious and honorable. What qualities and competencies should a teacher have? At the lecture, we will talk about the necessary competencies for working with electronic databases, registers of unique identifiers of researchers, forms of virtual scientific communication, analytical tools for presenting the results of scientific activity and choosing a journal for their publication and personal publication strategy.

Turing instability of coexistence homogeneous steady-state for reaction-diffusion systems in population biology often leads to stationary patterns.

During the seminar, experts and participants will discuss the properties of the soil microbiome of urban and industrially polluted areas of different climatic zones (subarctic, temperate and others). Particular attention will be paid to the issues of biodiversity of microbial communities, their functioning in anthropogenically modified soils and assessment of ecosystem services provided by microorganisms. The working language is Russian and English.

In this talk, we will present some results on global existence and scattering for the damped inhomogeneous nonlinear Schrödinger equation. We will first discuss a local well-posedness theory which enables us to reach the critical case and to unify results for the homogenous case and the inhomogeneous.

The talk will cover topics related to Boyarsky-Meyers estimates of gradients of solutions of boundary value problems for elliptic equations.

Acyl(imidoyl)ketenes are highly reactive heterocumulenes that enable diversity-oriented synthesis of various drug-like heterocycles. Such ketenes, bearing heterocyclic substituents, afford angularly fused pyridin-2(1H)-ones in their [4+2]-cyclodimerization reactions. We have utilized this property for the development of a new synthetic approach to pharmaceutically interesting pyrido[2,1-b][1,3]benzothiazol-1-ones via the [4+2]-cyclodimerization of acyl(1,3-benzothiazol-2-yl)ketenes generated in situ. The thermal behaviors of 3-aroylpyrrolo[2,1-c][1,4]benzothiazine-1,2,4-triones and 3-benzoylpyrrolo[2,1-b][1,3]benzothiazole-1,2-dione (two new types of [e]-fused 1H-pyrrole-2,3-diones) have been studied by thermal analysis and HPLC to elucidate their capability to be a source of acyl(1,3-benzothiazol-2-yl)ketenes. As a result, we have found that only 3-aroylpyrrolo[2,1-c][1,4]benzothiazine-1,2,4-triones are suitable for this. The experimental results are supplemented with computational DFT studies of the possible reaction mechanisms that demonstrate that thermolysis of 3-aroylpyrrolo[2,1-c][1,4]benzothiazine-1,2,4-triones proceeds through an unprecedented cascade of two thermal decarbonylations.

The Department of International Law, represented by Ph.D. Associate Professor of the Department of International Law M.V. Ilyashevich is holding a scientific seminar generally titled as "Ensuring International Security: Problems and challenges".

The isocyanide is an interesting and unique functional group in organic chemistry. The carbon atom in isocyanide can act as a nucleophile, as an electrophile, as a carbine involved in formal [1 + 4] cycloaddition, and as a radical acceptor to form imidoyl radical reaction intermediates. Its nature of the isocyanide makes it capable reacting with different strategies with various reactants under reaction conditions. As a result, the reaction of isocyanide were usually carried out via unpredictable way and obtained unexpected products. In this presentation, numerous unexpected isocyanide-based multicomponent reactions from our research group will be presented.

Recently, the preparation of neoteric functional materials with multicomponent reactions strategy has interestingly enhanced the union of materials chemistry. The main components (amine, carboxylic, or carbonyl groups) of MCRs are usually present in the materials structure or can be easily announced on their surfaces. Hence, materials can contribute in MCRs for the greatly talented modified/functionalized materials synthesis. In this presentation, the design and functionalization/modification of nano-materials and natural polymers with application in the catalytically chemical transformations and in the CO2 fixation will be presented.

The Youth Scientific and Practical Conference with international participation “GREEN2023 — Student Research in Ecology, Engineering and Nature 2023” (in foreign languages) aims to engage students, postgraduates and young scientists in addressing theoretical and practical issues of contemporary ecology and its related disciplines.