Organic and Organoelement Chemistry—A Themed Issue in Honor of Professor Oleg G. Sinyashin on the Occasion of His 70th Birthday

A special issue of Chemistry (ISSN 2624-8549). This special issue belongs to the section "Molecular Organics".

Deadline for manuscript submissions: 31 October 2026 | Viewed by 1801

Special Issue Editors


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Guest Editor
Arbuzov Institute of Organic and Physical Chemistry, Federal Research Center «Kazan Scientific Center», Russian Academy of Science, Arbuzova Str., 8, 420088 Kazan, Russia
Interests: calixarenes; podands; macrocycles; hindered phenols; hybrid compounds; catalysts; nanoparticles; saturated five-membered heterocyclic compounds; benzofuroxans; cascade reactions; wireframe organophosphorus compounds

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Guest Editor
Arbuzov Institute of Organic and Physical Chemistry, Federal Research Center «Kazan Scientific Center», Russian Academy of Science, Arbuzova Str., 8, 420088 Kazan, Russia
Interests: benzofuroxans; bacteriostatic activity; fungistatic activity; antioxidants; benzothiazole; photochromic compounds; phenols

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Guest Editor
School of New Energy and Materials, Southwest Petroleum University, Chengdu 610500, China
Interests: hydrogen & high-value utilization of hydrogen sulfide; green utilization of natural gas; ammonia development & utilization; environment functional materials; new catalyst system; novel catalytic reactor

Special Issue Information

Dear Colleagues,

We are pleased to invite you to contribute to a Special Issue of Chemistry dedicated to celebrating the outstanding scientific achievements of Academician Oleg Geroldovich Sinyashin.

Professor Sinyashin is an internationally recognized leader in organic and organoelement chemistry. Over the course of his distinguished career, he has authored more than 800 publications and 46 patents, pioneering advances in organophosphorus chemistry, coordination compounds, electrochemistry, medicinal chemistry, and the organic chemistry of fullerenes. His work has led to the development of general methods for phosphorylation and thiolation, innovative strategies for heterocyclic and cage-like ligands, the discovery of macrocyclic phosphines for supramolecular chemistry, and the creation of biomimetic catalysts for hydrogen electrosynthesis and fuel cell applications. He also pioneered a new direction in metal complex catalysis for the selective electrochemical activation and functionalization of organic molecules.

Beyond his research, Professor Sinyashin has had a transformative impact on the chemical community through his leadership at the A.E. Arbuzov Institute of Organic and Physical Chemistry, the Kazan Scientific Center of the Russian Academy of Sciences, and his editorial stewardship of the Russian Journal of General Chemistry. His service to science and society has been recognized with numerous prestigious awards, including the Nesmeyanov Prize (2016) and the Chugaev Prize (2018).

This Special Issue aims to honor Professor Sinyashin’s legacy by gathering cutting-edge contributions and perspectives in areas reflecting his lifelong scientific vision, including but not limited to the following:

  • Organophosphorus chemistry and organometallic chemistry;
  • Coordination compounds and supramolecular chemistry;
  • Catalysis and electrochemical activation of organic molecules;
  • Chemistry of fullerenes and advanced carbon materials;
  • Medicinal and bioinspired chemistry;
  • Fundamental and applied organic synthesis;
  • Optical and electronic sensors, including environment-related probes.

We invite researchers worldwide to contribute original research articles, reviews, and perspectives to this Special Issue. Together, these contributions will highlight the far-reaching impact of Professor Sinyashin’s scientific career and showcase new directions in organoelement and organic chemistry inspired by his work.

We look forward to your contributions in celebrating the remarkable legacy of Professor Oleg G. Sinyashin.

Prof. Dr. Alexander Burilov
Prof. Dr. Elena Alexandrovna Chugunova
Prof. Dr. Ying Zhou
Guest Editors

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Keywords

  • organophosphorus chemistry
  • fullerenes
  • heterocyclic and cage-like ligands
  • macrocyclic phosphines
  • biomimetic catalysts
  • metal complex catalysis

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Published Papers (2 papers)

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Research

18 pages, 2055 KB  
Article
Facile and Efficient Polyethyleneimine-Assisted Mechanochemical Synthesis of Luminescent Sulfur Quantum Dots with Antibacterial Activity
by Zarema Zarafutdinova, Artemiy Shmelev, Alexey Dovzhenko, Guliya Nizameeva, Elena Bulatova, Alexey Strelnik, Vladimir Evtugin, Sufia Ziganshina, Rustem Zairov, Erika Gaifullina, Rustem Amirov and Anna Ziyatdinova
Chemistry 2026, 8(5), 58; https://doi.org/10.3390/chemistry8050058 - 30 Apr 2026
Viewed by 394
Abstract
This work presents an energy-efficient and simple method for producing luminescent, antibacterial sulfur quantum dots (SQDs). For the first time, polyethyleneimine (PEI)-coated SQDs were synthesized via a mechanochemical technique, utilizing either elemental sulfur or sodium thiosulfate as the sulfur source. The roles of [...] Read more.
This work presents an energy-efficient and simple method for producing luminescent, antibacterial sulfur quantum dots (SQDs). For the first time, polyethyleneimine (PEI)-coated SQDs were synthesized via a mechanochemical technique, utilizing either elemental sulfur or sodium thiosulfate as the sulfur source. The roles of hydrogen peroxide (H2O2) as an etching agent and of sodium hydroxide (NaOH) in the PEI-mediated SQD formation were investigated. The as-synthesized SQDs were characterized by UV-visible, Raman, infrared (IR), and photoluminescence (PL) spectroscopy, as well as by transmission electron microscopy (TEM) and atomic force microscopy (AFM). Both TEM and AFM analyses revealed similarly small SQD sizes (average diameter ~3 nm), independent of the sulfur source used. The influence of synthesis conditions on the optical properties, including the photoluminescence quantum yield (QY), was evaluated. SQDs derived from elemental sulfur, PEI, and NaOH exhibited the best water solubility and the strongest photoemission in the 400–550 nm range. Antibacterial activity was assessed against representative Gram-positive and Gram-negative strains, and minimum inhibitory concentration (MIC) values were determined. The PEI-coated SQDs demonstrated antibacterial activity against the Gram-positive bacteria Bacillus subtilis, Staphylococcus aureus, and Staphylococcus epidermidis, which is attributed primarily to the sulfur component. Full article
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14 pages, 3778 KB  
Article
An Optimal Synthetic Strategy for Conjugating Folic Acid with Manganese-Doped Silica Nanoparticles to Enhance Their Colloidal Stability
by Anastasia P. Bebyakina, Zeai Huang, Olga D. Bochkova, Alexey S. Stepanov, Irek R. Nizameev, Kirill V. Kholin, Rustem R. Zairov, Ying Zhou and Asiya R. Mustafina
Chemistry 2026, 8(2), 21; https://doi.org/10.3390/chemistry8020021 - 11 Feb 2026
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Abstract
The inadequate biosafety of MRI contrast agents (CAs) remains a challenging issue. Both increasing the magnetic relaxivity of CAs and targeting them through conjugation with folates are promising approaches to addressing this issue. Silica nanoparticles (SNs) with Mn2+ ions specifically localized in [...] Read more.
The inadequate biosafety of MRI contrast agents (CAs) remains a challenging issue. Both increasing the magnetic relaxivity of CAs and targeting them through conjugation with folates are promising approaches to addressing this issue. Silica nanoparticles (SNs) with Mn2+ ions specifically localized in the outer layer were selected as the target for further surface modification for the covalent attachment of folates. It was shown that when Mn-containing SNs are conjugated with folates via preliminary amino modification of the surface silanol groups, the folate-conjugated SNs suffer from colloidal instability. Thus, precoating Mn-containing SNs with unfolded BSA exposes surface amino groups that successfully conjugate with folates without loss of colloidal stability. Partial washout of surface-localized Mn2+ follows folate conjugation of Mn-containing SNs, although residual Mn2+ ions provide r1(2) relaxivities of 62.1 (160.4) mM−1s−1 at 0.47 T. Full article
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