Current Organic Chemistry - Volume 25, Issue 1, 2021

Nitrogen, oxygen and sulfur-containing fused heterocycles are of great importance because of their exciting and diverse biological activities. The construction of the carbonnitrogen and carbon-oxygen through a multicomponent reaction approach by using ecofriendly reusable heterogeneous catalysts are of significant importance as it opens avenues for the introduction of nitrogen and oxygen in organic molecules. Thus, gree Read More

The benzo[b]thiophene nucleus is ubiquitous in biologically and pharmaceutically important compounds. These moieties are highly important in materials science. The synthesis of benzothiophene as a privileged structure has readily become a subject of great interest and actively pursued in recent years. This review focuses on facile and convenient methods of synthesis of benzo[b]thiophene based molecules through differen Read More

In the past several decades, hypervalent iodine chemistry has witnessed prosperous development as hypervalent iodine reagents have been widely used in various organic transformations. Specifically, hypervalent iodine reagents have been vastly used in various bondforming reactions. Among these oxidative coupling reactions, the reactions involving the formation of C-N bond have been extensively explored to construct variou Read More

Dihydro[1,3]oxazines are an important class of heterocyclic compounds having a wide range of biological and material properties. Medicinally, they possess diverse pharmacological activities, such as bactericidal, fungicidal, microbiocidal, antitumor, anti-HIV, and anti-inflammatory agents. Apart from being biologically active, they are materially useful for making polybenzoxazines. Polybenzoxazines are a novel class of non-conjug Read More

Reactions in water have demonstrated numerous surprising results. The effects of water in these reactions may include significant physical and chemical interactions with the substrates and catalysts through polar effects and hydrogen bonding ability. In some instances, water is also able to interact with the intermediates of reactions and possibly with the transition states of chemical processes. Organic synthesis in water enc Read More

Metal-free organocatalysts are becoming an important tool for the sustainable development of various bioactive heterocycles. On the other hand, during the last two decades, calix[n]arenes have been gaining considerable attention due to their wide range of applicability in the field of supramolecular chemistry. Recently, sulfonic acid functionalized calix[n] arenes are being employed as an efficient alternative catalyst f Read More