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Reactions, Volume 6, Issue 1

2025 March - 21 articles

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Articles (21)

  • Article
  • Open Access
2 Citations
2,423 Views
17 Pages

In this work, we studied the main decomposition reactions on the ground state of nitromethane (CH3NO2) with the CASPT2 approach. The energetics of the main elementary reactions of the title molecule have been analyzed on the basis of Gibbs free energ...

  • Article
  • Open Access
1 Citations
2,539 Views
22 Pages

Design and Synthesis of 7-(N-Aryl Pyrrolidinyl) Indoles as Potential DCAF15 Binders

  • Ravi Devarajappa,
  • Scarlett Kiyeleko,
  • Sofiane Hocine,
  • Victor Cosson,
  • Remi Calandrino,
  • Timea Baló,
  • Jayson Alves Bordelo,
  • Sébastien Triboulet,
  • Laure Caruana and
  • Stephen Hanessian
  • + 3 authors

We describe the design and synthesis of a series of 7-(N-aryl pyrrolidinyl) indoles and oxo-analogs as isosteric mimics of the DCAF15 binder E7820, a well-known member of aryl sulfonamides known as SPLAMs. The functionalization of C-7 in indoles was...

  • Article
  • Open Access
1 Citations
1,478 Views
14 Pages

Silicotungstate- or Phosphotungstate-Catalyzed Glycerol Esterification with Acetic Acid: A Comparison of Zinc and Tin Salts

  • Marcio Jose da Silva,
  • Cesar Macedo Oliveira,
  • Pedro Henrique da Silva Andrade and
  • Neide Paloma Gonçalves Lopes

In this work, tin and zinc salts of silicotungstic and phosphotungstic acids were synthesized, characterized, and tested as catalysts for esterification reactions of glycerol with acetic acid (HOAc) to produce glycerol esters such as monoacetyl glyce...

  • Article
  • Open Access
1,761 Views
16 Pages

Organic Dye Photodegradation Using Niobium-Alkali Perovskite Photocatalysts: The Effect of the Alkali

  • Mirtha Z. L. L. Ribeiro,
  • Igor F. Gomes,
  • Edher Z. Herrera,
  • Alexandre Mello,
  • Marília O. Guimarães,
  • Patrícia A. Carneiro,
  • Débora C. M. Rodrigues,
  • Wanderlã L. Scopel,
  • Rodrigo G. Amorim and
  • Mauro C. Ribeiro

This study combines experimental and density functional theory (DFT) to evaluate the influence of alkaline cation characteristics on the electronic structure and photodegradation efficacy of organic dyes in MNbO3 (M = Na, K) perovskites. The X-ray Ph...

  • Communication
  • Open Access
1 Citations
2,108 Views
10 Pages

The palladium-catalyzed cross-coupling reaction used for carbon–carbon bond formation is one of the most commonly applied reactions in modern organic synthesis. In this work, a concise strategy was developed for constructing the tetrahydroisoqu...

  • Article
  • Open Access
1 Citations
1,635 Views
12 Pages

15 February 2025

In this study, the application of the response surface method was used to determine the best reaction conditions of the gas-phase hydrogenation of carbon dioxide on a commercial nickel-based catalyst. The procedural goals included the choice and test...

  • Article
  • Open Access
2,250 Views
9 Pages

A Rapid and Green Method for the Preparation of Solketal Carbonate from Glycerol

  • Sanjib Kumar Karmee,
  • Sreedhar Gundekari,
  • Louis C. Muller and
  • Ajinkya Hable

13 February 2025

Glycerol is a biogenic waste that is generated in both the biodiesel and oleo-chemical industries. The value addition of surplus glycerol is of utmost importance for making these industries economically profitable. In line with this, glycerol is conv...

  • Article
  • Open Access
2,632 Views
13 Pages

Eco-Friendly Synthesis of Cerium Oxide Nanoparticles from Lycium cooperi

  • Jhonathan Castillo-Saenz,
  • Jorge Salomón-Carlos,
  • Ernesto Beltrán-Partida and
  • Benjamín Valdez-Salas

11 February 2025

Cerium oxide nanoparticles (CeO2-NPs) offer promising advantages in semiconductors and biomedical applications due to their optical, electrical, antioxidant, and antibacterial properties. However, the widely reported synthetic strategies for CeO2-NPs...

  • Article
  • Open Access
1 Citations
3,066 Views
18 Pages

Oxides for Pt Capture in the Ammonia Oxidation Process—A Screening Study

  • Julie Hessevik,
  • Cathinka S. Carlsen,
  • Oskar K. Bestul,
  • David Waller,
  • Helmer Fjellvåg and
  • Anja O. Sjåstad

11 February 2025

Metallic Pd/Ni gauzes, located downstream of the Pt/Rh ammonia oxidation catalyst nets in the Ostwald process, is the current technology for capturing volatile gas phase platinum and rhodium species lost from the Pt/Rh combustion catalyst through eva...

  • Article
  • Open Access
8 Citations
2,197 Views
18 Pages

6 February 2025

New tetrasubstituted porphyrin tin complexes (514) were prepared in two different ways: In the first preparation procedure, tin porphyrin complexes were prepared by a direct reaction of butyltin trichloride and dibutyltin dichloride with tetra...

  • Article
  • Open Access
1 Citations
1,956 Views
19 Pages

Production of Lipase from Streptomyces spp. AM9-01 by Solid-State Fermentation of Residual Babassu Mesocarp and Immobilization in Accurel® MP1000

  • Aldo A. T. Junior,
  • Tamires N. dos Anjos,
  • Melissa L. E. Gutarra,
  • Rodrigo P. do Nascimento and
  • Ivaldo Itabaiana Jr.

4 February 2025

A wide range of agro-industrial waste has been generated due to higher demands for food and energy. New protocols for its valorization are urgent strategies for sustainable development. In this work, residual babassu mesocarp, a native plant from the...

  • Article
  • Open Access
1,608 Views
19 Pages

2 February 2025

Liquefaction is an effective thermochemical process for converting lignocellulosic biomass into bio-oil, a hydrocarbon-rich resource. This study explores liquefied biomass electrolysis as a novel method to promote the electrocracking of organic molec...

  • Article
  • Open Access
6 Citations
3,397 Views
14 Pages

Immobilization of Trametes versicolor Laccase by Interlinked Enzyme Aggregates with Improved pH Stability and Its Application in the Degradation of Bisphenol A

  • Thaís Marques Uber,
  • Vanesa de Oliveira Pateis,
  • Vinícius Mateus Salvatori Cheute,
  • Luís Felipe Oliva dos Santos,
  • Amanda Rúbia de Figueiredo Trindade,
  • Alex Graça Contato,
  • José Rivaldo dos Santos Filho,
  • Rúbia Carvalho Gomes Corrêa,
  • Rafael Castoldi and
  • Rosane Marina Peralta
  • + 2 authors

Laccase from Trametes versicolor was immobilized via the formation of interlinking enzyme aggregates (CLEA). Its free and immobilized enzymes were characterized, and its efficiency was tested via the removal of bisphenol A (BPA) in aqueous solution....

  • Article
  • Open Access
2,358 Views
16 Pages

Effective One-Component Organocatalysts for Eco-Friendly Production of Cyclic Carbonates

  • Enrique Francés-Poveda,
  • Marta Navarro,
  • Monserrat Beroíza-Duhart,
  • Genesys L. Mahecha,
  • Julio I. Urzúa,
  • María Luisa Valenzuela,
  • Felipe de la Cruz-Martínez,
  • Oscar A. Douglas-Gallardo,
  • Francisca Werlinger and
  • Javier Martínez
  • + 1 author

One-component or bifunctional organocatalysts are some of the most capable compounds to perform the synthesis of cyclic carbonates from epoxides and carbon dioxide (CO2) since the presence of a co-catalyst is not required. In this study, we designed,...

  • Article
  • Open Access
1 Citations
3,227 Views
14 Pages

Obtaining Nanolignin from Green Coconut Shell and Fiber by the Acetosolv Method with Subsequent Ultrasonication

  • Larissa Nascimento Lôbo,
  • Rosana Reis de Lima Araújo,
  • Francine Pimentel de Andrade,
  • Renata Maria Rosas Garcia Almeida,
  • Carlos Eduardo de Farias Silva,
  • Jennifer Mclaine Duarte de Freitas,
  • Johnnatan Duarte de Freitas,
  • Mariana Barboza da Silva and
  • Pedro Henrique Barcellos França

This work aimed to extract nanolignin from green coconut husk and fiber using the acetosolv method, with the aim of transforming waste into high-value-added products and promoting sustainability and bioeconomy. The acetosolv pulping was carried out i...

  • Article
  • Open Access
2 Citations
2,133 Views
25 Pages

Influence of Oxygen Carrier on the Autothermicity of a Chemical-Looping Reforming Process for Hydrogen Production

  • Juliana López van der Horst,
  • Maria Florencia Volpe Giangiordano,
  • Felipe Suarez,
  • Federico M. Perez,
  • Martín N. Gatti,
  • Gerardo F. Santori and
  • Francisco Pompeo

The chemical-looping reforming (CLR) of methane for hydrogen production employs a solid oxygen carrier (OC) and combines endothermic and exothermic stages, allowing for potential autothermal operation. This study conducted a thermodynamic analysis us...

  • Article
  • Open Access
3 Citations
1,717 Views
16 Pages

Liquid and vapor phase transfer hydrogenation with 2-alkanols as hydrogen donors in the presence of MgO as a catalyst was studied. A series of dicarbonyl compounds as well as the equimolar mixtures of various monocarbonyl compounds were used as hydro...

  • Review
  • Open Access
2,523 Views
22 Pages

The synthesis of natural and unconventional compounds with carbohydrate structures is of great interest to glycochemists due to their vital biological roles. In recent years, there has been significant progress in developing direct and indirect synth...

  • Article
  • Open Access
1,273 Views
11 Pages

Synergistic Pd-La Catalysts on ATO for Clean Conversion of Methane into Methanol and Electricity

  • Paulo Victor. R. Gomes,
  • Dolores R. R. Lazar,
  • Gabriel Silvestrin,
  • Victoria Amatheus Maia,
  • Rodrigo Fernando B. de Souza and
  • Almir Oliveira Neto

This study investigates the electrochemical conversion of methane to methanol using fuel-cell-type reactors with palladium- and lanthanum-based catalysts supported on antimony-doped tin oxide (ATO). The combination of these elements demonstrated prom...

  • Article
  • Open Access
1 Citations
1,469 Views
15 Pages

Fast high-temperature gas-phase reactions occurring in the limited space of the arc cavity in the submerged arc welding (SAW) process limit the study of specific gas-phase behaviours. A low-temperature experimental method is applied to investigate ga...

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Reactions - ISSN 2624-781X