This review aims to present the most recent contributions in the chemistry of nitrosoalkenes
and azoalkenes, highlighting the chemical behavior that makes them important and versatile …

Imidazole, an important azole heterocycle, having biological and medicinal properties
prompted various research groups to develop different synthetic routes to this heterocycle …

The first application of 3-alkyl-2-vinylindoles in catalytic asymmetric dearomative
cycloadditions was established by chiral phosphoric acid (CPA)-catalyzed (2+ 3) …

A Brønsted acid-mediated synthesis of pyrazoles from conjugated hydrazones through a β-
protonation/nucleophilic addition/cyclization/aromatization sequence was developed. This …

Chiral phosphoric acid-catalyzed highly enantioselective formal [3+ 2] cycloaddition reaction
of azoalkenes with 3-vinylindoles has been established. Under mild conditions, the …

An efficient one-pot synthesis of a series of diversely functionalized trisubstituted 4 (5) het
(aroyl)-2, 5 (4)-het (aryl)/alkylimidazoles from readily available 1, 3-bishet (aryl) monothio-1 …

Zn (II)-catalyzed divergent synthesis of functionalized polycyclic indolines through formal [3+
2] and [4+ 2] cycloadditions of indoles with 1, 2-diaza-1, 3-dienes (DDs) is reported. The …

A cascade vinylogous 1, 6-Michael addition/1, 4-proton shift/aza-Michael
addition/hemiaminal formation sequence of 1, 2-diaza-1, 3-dienes and β-substituted 2 …

A new and efficient synthesis of fully substituted 2, 5-dihydrothiophenes by a sequential one-
pot four component reaction between primary amines, β-ketoesters, aryl isothiocyanates and …

Comprehensive Summary As an important part of pericyclic reaction, 6π 1, 5‐
electrocyclization plays an important role in organic synthesis and chemical theory. Many …