The synthesis of heterocyclic compounds containing a bioactive core including the pyridine
molecular framework with diverse pharmaceutical and biological activities is noteworthy …

Heterocycles have been found to be of much importance as several nitrogen-and oxygen-
containing heterocycle compounds exist amongst the various USFDA-approved drugs …

Electron‐deficient enamines such as enaminones and enaminoesters are moieties showing
widespread application in organic synthesis. Among the various available electron‐deficient …

Last decade has seen tremendous applications of nano-ZnO as a mild, cheap, efficient,
commercially available, environmentally benign, non-toxic, reusable, heterogeneous …

A graphene oxide (GO)–SnO2-based nanocomposite was synthesized by decorating the
graphene oxide surface with SnO2 nanoparticles via a solvothermal process. The …

We report an efficient route to pyridine derivatives via an FeCl3-catalyzed four-component
nucleophilic addition/intermolecular cyclization. This simple fragment assembly strategy …

Background Due to their structural and therapeutic diversity, thienothiophene derivatives
have attracted much synthetic interest because of their reactivity and biological activity. The …

One-pot heterocyclic synthesis is an exciting research area as it can open routes for the
development of otherwise complex transformations in organic synthesis. Heterocyclic …

For the first time sulphated silica tungstic acid (SSTA) has been synthesized and used as an
acidic catalyst in organic synthesis. The catalyst was prepared by a simple method based on …

Ethyl 5-acetyl-4-methyl-2-(phenylamino) thiophene-3-carboxylate (2) and there derivatives
3a–c, 4, 6a–c and 9a–f were synthesized. The structure of compound 2 was deduced by 1H …