The fusion of pyrazole scaffold with other skeletons creates a class of attractive molecules,
demonstrating significant biological and chemical potentiality in the development of …

In this study, ethyl 3‐aminothieno [2, 3‐b] pyridine‐2‐carboxylate was taken as a versatile
precursor for the one‐pot three‐component synthesis of related fused pyrimidine hybrids …

Pyrazole derivatives are aromatic heterocyclic compounds endowed with multifaceted
applications. In the present study 1, 3, 4-trisubstituted pyrazoles derivatives have been …

A systematized survey of reviews and monographs published in 2021 on all aspects of
heterocyclic chemistry is given. Methods for the synthesis, reactivity, and practically useful …

Several series of novel biheterocyclic compounds have been synthesized starting from 3‐
alkoxy‐1 H‐pyrazole‐4‐carbaldehydes and employing different types of multicomponent …

Abstract The condensation of 4, 4-dichlorobut-3-en-2-one with aromatic aldehydes in the
presence of a catalytic amount of sulfuric acid afforded 1, 1-dichloro-5-(4-R-phenyl) penta-1 …