This review presents the recent progress in the chemistry of dimethyl acetylenedicarboxylate
(DMAD). The interest in and applications of this powerful reagent with more than 135 years …

Multicomponent (MCRs) reactions are classified as one-pot reaction where more than two
starting materials are employed to form a single product that contains the building blocks of …

An efficient, useful and one-pot protocol for the synthesis of quinoline-2, 4-dicarboxylate
scaffolds is accomplished from aryl amines and dimethyl/diethyl acetylenedicarboxylates …

The three-component reaction of 1-substituted imidazoles, cyanophenylacetylene, and
elemental sulfur or selenium proceeds readily (for sulfur at room temperature without …

A chemoselective thiocyanation of imidazothiazoles and 2-aminothiazoles with use of in situ
generated N-thiocyanatosuccinimide (NTS) at room temperature is described. The protocol …

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Imidazo‐chalcogenazoles are easily accessible from the corresponding N‐
alkynylimidazoles by a three‐step, one‐pot chalcogenation reaction. The generality of this …

A one‐pot, four‐component, efficient, and facile synthesis of highly functionalized
benzimidazo [2, 1‐b][1, 3] thiazines promoted by ionic liquid ([bmim] Br)/Et3N has been …

Upon reaction of 4, 5-disubstituted-N-arylaminoimidazole-2-thiones with isocyanides in the
presence of azodicarboxylates (1.2 equiv) at rt, the imidazo [2, 1-b][1, 3, 4] thiadiazoles were …

This chapter discusses reactions between the thione and alkyne functional groups,
subdivided into internal (intramolecular) and external (intermolecular) reactions. Many such …