Skip to content

All published articles 212

Synthetic Routes and Bioactivity Profiles of the Phenothiazine Privileged Scaffold

Aigul E. Malmakova & Alan M. Jones · Organics · 2025

This review offers a focused overview of the strategies used to build and modify phenothiazine (PTZ) derivatives. It covers both classical synthetic approaches and advances reported since 2014, including transition metal-catalyzed transformations and greener techniques, such as e...

Open access Research Article 10.3390/org6040046

Influence of MW Irradiation on the Reaction Between (2R,7R,11S,16S)-1,8,10,17-tetraazapentacyclo[8.8.1.1.8,170.2,70.11,16]icosane and p-Substituted Phenols

Diego Quiroga, Jaime Ríos-Motta & Augusto Rivera · Organics · 2025

4,4′-substituted-2,2′-((hexahydro-1H-benzo[d]imidazole-1,3(2H)-diyl)bis(methylene))bisphenols (1a–d) and 2,6-bis{[3-(2-hydroxy-5-substitutedbenzyl)octahydro-1H-benzimidazol-1-yl]methyl}-4-substitutedphenols (2a–b) were synthesized via microwave (MW) irradiation of aminal (2R,7R,1...

Open access Research Article 10.3390/org6040044

The Song Remains the Same, but the Enzymes Don’t: Imidazolium ILs as Potential Disruptors of Fatty Acid Metabolism

Savina Stoyanova & Milen G. Bogdanov · Organics · 2025

This study examined twenty-eight N-methylimidazolium ionic liquids (ILs) with various substituents and anions to assess their impact on the activity of Carnitine Acetyltransferase (CAT), an indispensable enzyme in human metabolism. In vitro experiments demonstrated that these com...

Open access Research Article 10.3390/org6040045

Degrees of Sulfonation: Mapping the Reactivity Landscape of Acridine and Acridone

Péter Kisfaludi, Sára Spátay, Péter Huszthy & Ádám Golcs · Organics · 2025

Although sulfonated acridines and acridones are valuable scaffolds in diagnostics and materials science, to our best knowledge, there is no comprehensive study that addresses how the degree of sulfonation depends on reaction parameters. To fill this gap, we investigated the sulfo...

Open access Research Article 10.3390/org6030043

Fast and Efficient Synthesis of Fluoro Phenyl 1,2,3-Triazoles via Click Chemistry with Ultrasound Irradiation and Their Biological Efficacy Against Candida albicans

Elisa Leyva, Johana Aguilar, Silvia E. Loredo-Carrillo & Ismael Acosta-Rodríguez · Organics · 2025

Several fluoro phenyl triazoles were synthesized using click chemistry between fluoro phenyl azides and phenyl acetylene. Under ultrasound irradiation, this synthetic procedure was performed with Cu (I) in the presence of 1,10-phenanthroline. It is fast with high yields of target...

Open access Research Article 10.3390/org6030042

Microwave-Assisted Catalytic Transfer Hydrogenation of Chalcones: A Green, Fast, and Efficient One-Step Reduction Using Ammonium Formate and Pd/C

Wender Alves Silva, Sayuri Cristina Santos Takada, Felipe Marques Nogueira & Luiz Arthur Ramos Almeida · Organics · 2025

Catalytic transfer hydrogenation (CTH) and microwave-assisted organic synthesis (MAOS) have each advanced the sustainability of reduction chemistry; however, their combined application to conjugated enones remains largely unexplored. To the best of our knowledge, no unified proto...

Open access Research Article 10.3390/org6030040

Synthesis, Purification, Characterization, and ABTS Antioxidant Evaluation of Novel Azo Dyes

Jeremy A. Rodríguez-Vargas, Sebastián H. Díaz-Rodríguez, Víctor G. Vergara-Rodríguez, Ángel Vidal-Rosado, Cristtian Rivera-Torres, Alejandra Ríos-Rodríguez, Martín Rodríguez-Del Valle, Daliana Agosto-Disdier, Marielys Torres-Díaz, Kai H. Griebenow & Raúl R. Rodríguez-Berríos · Organics · 2025

The search for bioactive compounds with antioxidant properties is critical in combating oxidative stress-related diseases and advancing novel therapeutic agents. Azo dyes, traditionally used in textiles, food, and cosmetics, have recently attracted attention due to their emerging...

Open access Research Article 10.3390/org6030039

Synthetic Approaches to Steroidal Thiosemicarbazones, 1,3,4-Thia(selena)diazolines, and Oxalate-Linked Dimers

Luis A. Méndez-Delgado, Mónica Martínez-Montiel, Alma Fuentes-Aguilar, Socorro Meza-Reyes, Sara Montiel-Smith, José Luis Vega-Baez, José M. Padrón & Penélope Merino-Montiel · Organics · 2025

A total of 24 novel steroidal derivatives were synthesized, including 1,3,4-thia(selena)diazolines and structurally unique spirothiadiazolines, obtained through intramolecular cyclization under standard acetylation conditions. This strategy was further extended to the constructio...

Open access Research Article 10.3390/org6030037

Mechanochemical Synthesis, Spectroscopic Characterization and Molecular Structure of Piperidine–Phenytoin Salt

María Isabel Amil-Miranda, Armando Pineda-Contreras, Francisco Javier Martínez-Martínez, Marcos Flores-Álamo, Hector García-Ortega & Juan Saulo González-González · Organics · 2025

Phenytoin is an anticonvulsant drug that suffers from low aqueous solubility. The formation of phenytoin salts is a strategy employed to address this issue. A phenytoin–piperidine salt (PPD–PNT) was synthesized by solvent-assisted grinding and characterized by infrared (IR) spect...

Open access Research Article 10.3390/org6030038

Profiling of Disubstituted Chloroacetamides’ Potential Biological Activity by Liquid Chromatography

Suzana Apostolov, Dragana Mekić, Marija Mitrović, Slobodan Petrović & Gyöngyi Vastag · Organics · 2025

Modern agriculture relies heavily on the use of pesticides, with one-third of them being herbicides. Chloroacetamides are the most widely used herbicides because of their high effectiveness, but their extensive use poses environmental challenges and threatens the health of living...

Open access Research Article 10.3390/org6030035

Limitations of Frontier Orbital and Charge Approaches in the Description of Electrophilic Aromatic Substitution

Lucia Emanuele & Maurizio D’Auria · Organics · 2025

DFT calculations at the B3LYP/aug-cc-pVDZ level of theory on some aromatic substrates showed that in the HOMO (Highest Occupied Molecular Orbital) of nitrobenzene, the atomic coefficients are not in agreement with the meta-directing behavior of this compound. The atomic coefficie...

Open access Research Article 10.3390/org6030034

PANI-Based Thermoelectric Materials

Mengran Chen, Dongmei Xie, Hongqing Zhou & Pengan Zong · Organics · 2025

Polyaniline (PANI) based thermoelectric materials have attracted much attention in flexible energy harvesting devices due to their unique molecular structure, excellent chemical stability, and low cost. However, the intrinsic thermoelectric performance of intrinsic PANI makes it...

Open access Research Article 10.3390/org6030033

Synthesis of Cannabigerol and Cannabigerol Derivatives

Juan F. Ortuño, Alessio Ghisolfi, Raquel Almansa, Olga Soares do Rego Barros, Ana Sirvent, José M. Sansano & Francisco Foubelo · Organics · 2025

The synthesis of cannabigerol—a cannabinoid with significant pharmaceutical potential—is described. The synthesis involves four stages. In the first step, (E)-non-3-en-2-one reacts with dimethyl malonate to yield a cyclic enone, which is subsequently oxidized with bromine to prod...

Open access Research Article 10.3390/org6030031