The development of new strategies for synthesis of polycyclic heterocycles has remained a
highly attractive but challenging proposition. An overview of the application of microwave …

In recent decades, a large number of reports related to the synthesis of N-, O-, and S-
containing heterocycles have appeared owing to a wide variety of their biological activity …

The quinoline scaffold is present in a vast number of natural compounds and
pharmacologically active substances, comprising a significant segment of the …

The metal catalyzed synthesis of heterocycles is becoming an important and highly
rewarding protocol in organic synthesis. Traditional approaches require expensive or highly …

We have developed an environmental friendly and highly efficient method for onion extract
catalyzed enamination of 1, 3‐dicarbonyl compounds and primary amines. This method is …

An environmentally benign method for the synthesis of octahydro-quinazolin-2, 5-diones by
the reaction of aromatic aldehydes, dimedone, and urea in the presence of SiO2-NaHSO4 is …

NaHSO4 supported on silica gel: an alternative catalyst for Ferrier rearrangement of glycals -
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Quinolinones are an important class of alkaloids, widely used as conventional drugs to treat
various infectious diseases. In this study, we report the synthesis of 4-quinolones in one …

The present study aimed to determine an efficient and solvent-free method to synthesize 2-
methyl-4-quinolinol (2MQ, also known as 4-hydroxy-2-methylquinoline) and includes …

Nano-SiO 2 efficiently catalyzed the synthesis of β-enaminones using direct condensation of
various (cyclic and acyclic) β-diketones with aromatic and aliphatic amines under solvent …