This review is intended to highlight the most useful approaches for the synthesis of indole
derivatives (azaindoles, carbazoles, carbolines, indazoles, 3H‐indoles, indolines …

Alkynylaryl aldehydes are widely used in organic reactions. Their great success is rooted in
their multiple functional groups. This review will focus on five kinds of triggered …

An efficient and base-mediated intramolecular cyclization of N-propargylamines for the
synthesis of structurally diversified pyrroles in high yield has been described. The developed …

A base-mediated versatile cascade dual-annulation and formylation of 2-alkenyl/
alkynylbenzonitriles with 2-methylbenzonitriles has been established for the construction of …

A method for the synthesis of 4‐organoselanyl oxazinoindolone derivatives by the cascade
cyclization of N‐(alkoxycarbonyl)‐2‐alkynylindoles using iron (III) chloride and diorganyl …

Metal-free regioselective hydration of o-alkynylaldehydes with the assistance of neighboring
carbonyl oxygen is disclosed. The developed protocol provides a facile route to synthesize a …

The unique therapeutic and biological characteristics of spirooxindole have led to the
presentation of numerous reactions for the synthesis of spirooxindoles through 1, 3-Dipolar …

A metal‐free, versatile triple‐bond directed approach for the decarbonylative C− H
amination of ortho‐alkynyl quinoline/pyridine aldehydes using N‐fluorobenzenesulfonimide …

An efficient and BF3· Et2O-catalyzed chemoselective synthesis of diversified 1, 3-
diarylisobenzofuran in a high yield has been described. The reaction proceeds through …

A novel one-pot base-promoted insertion of indolyl 2-alkynes into a C–C single bond of 1, 3-
diketones, followed by intramolecular aldol reaction and dehydrative aromatization is …