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Symmetry
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Chemistry: Symmetry/Asymmetry—Feature Reviews and Papers
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Chemistry: Symmetry/Asymmetry—Feature Reviews and Papers

A special issue of Symmetry (ISSN 2073-8994). This special issue belongs to the section "Chemistry: Symmetry/Asymmetry".

Deadline for manuscript submissions: 31 December 2026 | Viewed by 3709

Special Issue Editor

Prof. Dr. György Keglevich

E-Mail Website
Guest Editor
Department of Organic Chemistry and Technology, Budapest University of Technology and Economics, H-1521 Budapest, Hungary
Interests: organophosphorus chemistry; green chemistry; microwave chemistry; catalysts; ionic liquids
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Symmetry and asymmetry are fascinating topics in chemistry. The Special Issue entitled “Chemistry: Symmetry/Asymmetry—Feature Reviews and Papers” covers a wide range of topics related to symmetry or asymmetry in chemistry. Papers submitted to Symmetry may include all types of symmetry-related problems in chemistry. All organic chemists, theoretical chemists, and crystal chemists are invited to submit papers focusing on, but not limited to, the following emerging research topics in related areas:

  • Chirality;
  • Enantiomers;
  • Diastereomers;
  • Molecular symmetry;
  • Plane of symmetry;
  • Asymmetric carbon;
  • Optically active compounds;
  • Stereocenter;
  • Homochirality;
  • Symmetry elements;
  • Mirror plane;
  • Molecular chirality;
  • Asymmetric synthesis;
  • Optical resolution;
  • X-ray crystallography;
  • X-ray structures;
  • Crystal structures;
  • Homochirality in chemistry and biochemistry;
  • Symmetry and spectroscopy;
  • Symmetry and isomerism;
  • Homochirality in the origin of life;
  • Chirogenesis;
  • Stereoselective synthesis;
  • Chiral ligands.

Prof. Dr. György Keglevich
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 250 words) can be sent to the Editorial Office for assessment.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Symmetry is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • chirality
  • enantiomers
  • diastereomers
  • molecular symmetry
  • plane of symmetry
  • asymmetric carbon
  • optically active compounds
  • stereocenter
  • homochirality
  • symmetry elements
  • mirror plane
  • molecular chirality
  • asymmetric synthesis
  • optical resolution
  • X-ray crystallography
  • X-ray structures
  • crystal structures
  • homochirality in chemistry and biochemistry
  • symmetry and spectroscopy
  • symmetry and isomerism
  • homochirality in the origin of life
  • chirogenesis
  • stereoselective synthesis
  • chiral ligands

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Further information on MDPI's Special Issue policies can be found here.

Related Special Issue

Published Papers (3 papers)

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Research

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25 pages, 2854 KB  
Article
Solvatochromic Study of Brilliant Blue G: Estimation of the Electric Dipole Moment in the Excited State
by Mihaela Miron, Dana Ortansa Dorohoi and Dan-Gheorghe Dimitriu
Symmetry 2026, 18(2), 221; https://doi.org/10.3390/sym18020221 - 25 Jan 2026
Viewed by 1051
Abstract
Brilliant blue G is a chemical compound with many important applications in various domains, from dye manufacturing to biotechnologies and medicine. Despite the fact that it is used mainly in solutions, a solvatochromic study of this compound has never been reported, while the [...] Read more.
Brilliant blue G is a chemical compound with many important applications in various domains, from dye manufacturing to biotechnologies and medicine. Despite the fact that it is used mainly in solutions, a solvatochromic study of this compound has never been reported, while the value of the electrical dipole moment in the excited state is unknown. Here, a solvatochromic study of brilliant blue G is described, and the data is analyzed by three models, allowing for the estimation of the intermolecular interactions involved, as well as their contribution to the total shift in the visible electronic absorption spectral band. Two models provide a predominance of the non-specific (universal) intermolecular interactions, while the third model overestimates the weight of the specific interactions. The spectral data also allow for the comparative estimation of the electrical dipole moment in the first excited state of brilliant blue G molecule by two methods. The values obtained are very close, confirming the good agreement between the two approaches. One of these methods also estimates the angle between the electrical dipole moments in the ground and excited states of brilliant blue G molecule, respectively. Full article
(This article belongs to the Special Issue Chemistry: Symmetry/Asymmetry—Feature Reviews and Papers)
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14 pages, 2683 KB  
Article
Korsmeyer–Peppas Model for Diacetylaminoazotoluene (Dimazon) Release from PVA Foils: A Spectral Study
by Paul Gasner, Daniela Babusca, Andrei Vleoanga and Dana Ortansa Dorohoi
Symmetry 2025, 17(10), 1739; https://doi.org/10.3390/sym17101739 - 15 Oct 2025
Cited by 4 | Viewed by 1684
Abstract
Dimazon is known to stimulate the proliferation of epithelial cells. The dimazon released from locally attached polymer foils could be efficient for the treatment of skin damage. So, knowledge on the characteristics of the dimazon released from polymer matrices is important in establishing [...] Read more.
Dimazon is known to stimulate the proliferation of epithelial cells. The dimazon released from locally attached polymer foils could be efficient for the treatment of skin damage. So, knowledge on the characteristics of the dimazon released from polymer matrices is important in establishing the continuous and predictable delivery of drug to a target. The spectrum of dimazon released from PVA foils is analysed based on the empirical Korsmeyer–Peppas model. The influence of the drug’s concentration and the film’s anisotropy, induced by stretching, on the delivery mechanism is highlighted. The results of this study could help clinical researchers establish a protocol for using dimazon from PVA foils in skin therapy. Full article
(This article belongs to the Special Issue Chemistry: Symmetry/Asymmetry—Feature Reviews and Papers)
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Review

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13 pages, 1612 KB  
Review
Less Expected Substitutions of the Azulene Nucleus
by Alexandru C. Razus
Symmetry 2026, 18(2), 312; https://doi.org/10.3390/sym18020312 - 9 Feb 2026
Viewed by 433
Abstract
While electrophilic substitution is used to attack positions 1(3) and possibly 2 of azulenes, nucleophilic substitution is often used to obtain azulenes with substituents at positions 6 or 4(8). The electrical charge at positions 2, 5, or 7 makes them unsuitable for electrophilic [...] Read more.
While electrophilic substitution is used to attack positions 1(3) and possibly 2 of azulenes, nucleophilic substitution is often used to obtain azulenes with substituents at positions 6 or 4(8). The electrical charge at positions 2, 5, or 7 makes them unsuitable for electrophilic or nucleophilic substitution. Azulenes bearing substituents at these positions have been synthesized mainly by the building of the azulene skeleton or especially resorting to reactions catalyzed by metallic compounds. In this context, the proposed mini review will focus on some of the cases in which compounds with substituents in these positions are obtained by substitution without the intervention of a catalyst and are therefore advantageous from both an ecological and economic point of view. Full article
(This article belongs to the Special Issue Chemistry: Symmetry/Asymmetry—Feature Reviews and Papers)
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