Current Catalysis - Volume 7, Issue 3, 2018

Background: Graphene and its composites with various transition metals and their oxides are widely studied for their applications in electrochemical energy conversion and storage devices. Graphene, a two-dimensional single atomic layer of the carbon atoms, has a high conductivity and high surface area. For these reasons, it has attracted considerable interest in electrochemical devices, such as batteries and supercapacitors Read More

Intoduction: A highly efficient protocol for the one pot synthesis of 4(3H)-quinazolinones from anthranilic acid, ortho esters and various amines using a magnetically separable solid acid catalyst, nano sulfated TiO2 encapsulated Fe3O4 with microwave irradiation, is described. The plausible reaction mechanism for the synthesis of 4(3H)-quinazolinone, catalyzed by sulfated TiO2 encapsulated magnetic nanomaterial is also de Read More

Background: Solid acids and superacids based on supported heteropoly acids have become very popular. Use of mesoporous materials such as mesocellular silica foam (MCF) was made in this work for its superior textural properties and stability. Methods: MCF was used as a support for cesium substituted dodecatungstophosphoric acid (DTP). 20% (w/w) Cs2.5H0.5PW12O40 (Cs-DTP)/MCF was used as a superacidic hetero Read More

In this work, the catalytic performance of cobalt oxide supported on activated carbon was studied during the oxidation reaction of several aliphatic/aromatic primary or secondary alcohols. Good results for benzyl alcohol and benzyl alcohol derivatives conversion and selectivity were obtained, while aliphatic, primary, and secondary alcohols in the study exhibited low conversions. The influence of the use of sonication Read More

Background: Imidazoles are important class of heterocyclic compounds showing biological activities. Several methods have been investigated till today for the synthesis of triaryl imidazoles. Some of these classical as well as nonclassical methods experiences drawbacks for instance elongated reaction time, expensive catalyst, low yield of product etc. Hence improvement of a competent method is still necessary. This paper rev Read More

Background: A versatile, facile, one-pot multi-component protocol for the synthesis of 4Hbenzochromenes using L- valine as organocatalyst in aqueous medium has been developed. Methods: Superior catalytic performance of L- valine, operational simplicity, easy workup procedure and recyclability of the catalyst are the key strengths of reported strategy. Results: Therefore, it is a green alternative to the existing protoco Read More

Background: In this work, we aimed to synthesize gold nanoparticles stabilized with Nacetyl- L-cysteine and study their catalytic activity towards the benzaldehyde oxidation as well as the formation of imines. Methods: N-acetyl-L-cysteine stabilized gold nanoparticles were prepared and the catalyst was characterized via spectroscopic techniques such as UV-VIS spectrophotometry and SERS. Gold nanoparticles dimensions we Read More

Introduction: A one-pot approach for the synthesis of 2,3-dihydroquinazolin-4(1H)-ones in the reaction between 2-aminobezamide and aromatic aldehydes in the presence of highly available carboxylic acids such as benzilic acid, phthalic acid and salicylic acid has been reported. Material and Methods: Carboxylic acids such as benzilic acid, phthalic acid and salicylic acid, used as efficient catalysts for the synthesis of 2,3-dihydro Read More

Introduction: Titanium dioxide (TiO2) nanorod and nanowire structure are an important material in photocatalytic and photoelectrocatalytic application. But, photocatalytic performance of TiO2 nanostructure was limited by electron-hole recombination. The surface adsorbed hydroxyls on TiO2 surface play an important role in photocatalytic and energy applications. It increases the trapping site for electron and hole and pr Read More