Multi-component reactions (MCRs) are considered to be an important methodological
arsenal in synthetic and medicinal chemistry. These reactions have been strategically …

Comprehensive Summary Fused polycyclic N‐heterocycles are very important scaffolds in
biomedicinal chemistry and materials science. Intramolecular alkyne hydroamination is a …

An efficient and simple synthetic approach has been developed for the preparation of
biologically interesting spiro [oxindole-3, 4'-(4′ H-pyran)] derivatives via visible light …

A simple and efficient method for the synthesis of pyrimido [1, 2-a] benzimidazoles and
pyrimido [1, 2-b] indazoles from 2-aminobenzimidazoles/3-aminoindazoles, alkynes and N …

Bridgehead nitrogen (or ring-junction nitrogen) heterocycles are one of the most privileged
scaffolds in synthetic chemistry and medicinal chemistry. For decades, transition metal …

Pyrimido[1,2-a]benzimidazoles: synthesis and perspective of their pharmacological use |
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Herein, recent advances of propiolic acids in decade (2009–2019) were summarized as five
pathways according to their triggered mechanisms:(1) acids as nucleophiles;(2) electrophilic …

Aromatic α-aminoazaheterocycles are the focus of significant investigations and exploration
by researchers owing to their key role in diverse biological and physiological processes. The …

Mono‐or 2, 3‐disubstituted pyrimido [1, 2‐b] indazoles are synthesized by a (3+ 2+ 1) three‐
component cyclization of 3‐aminoindazoles, ketones, and N, N‐dimethylaminoethanol as a …

A simple fluorescent chemosensor WS1 (N'-[(Z)-1H-indazol-3-ylmethylidene] imidazo [2, 1-
b][1, 3] benzothiazole-2-carbohydrazide) based on imidazole [2, 1-b] benzothiazole was …