Pyrazole is a five-membered aromatic heterocyclic ring with two adjacent nitrogen atoms C 3
H 3 N 2 H. The presence of this nucleus in pharmacological agents of various therapeutic …

Pyrazole, a five membered heteroaromatic ring with two nitrogen atoms is of immense
significance. Presence of this nucleus in the pharmacological agents of diverse therapeutic …

Pyrazolo [1, 5-a] pyrimidine (PP) derivatives are an enormous family of N-heterocyclic
compounds that possess a high impact in medicinal chemistry and have attracted a great …

Dengue is one of the most typical viral infection categorized in the Neglected Tropical
Diseases (NTDs). It is transmitted via the female Aedes aegypti mosquito to humans and …

Simple Summary Cancer is the leading cause of death worldwide and responsible for killing
approximately 10 million people per year. Fused heterocyclic ring systems such as …

Push–pull alkenes, which bear electron-donating and-accepting group (s) at both termini of
a C C double bond, respectively, are of interest not only for their unique electronic …

The cascade reactions between NH 2-functionalized enaminones and sulfonyl hydrazines
have been developed for the synthesis of fully substituted pyrazoles. By making use of the …

In this review we report the recent advances in bioactive system containing pyrazole fused
with a five membered heterocycle, covering the time span of the last decade. All of them are …

Here, we reported for the first time a mechanistically distinctive cobalt-catalyzed
Markovnikov-type sequential semihydrogenation/hydrohydrazidation of aliphatic terminal …

A simple and efficient method for the synthesis of pyrazoles through a silicotungstic acid (H 4
SiW 12 O 40)-catalyzed cyclization of epoxides/aldehydes and sulfonyl hydrazides has been …