Over the last decade, high-valent cobalt catalysis has earned a place in the spotlight as a
valuable tool for C–H activation and functionalization. Since the discovery of its unique …

In the area of synthetic chemistry, there are various examples of inexpensive, highly
abundant and less toxic transition-metal catalyzed inert C–H bond activation reactions …

Herein, we report the additive-controlled divergent synthesis of tetrasubstituted 1, 3-enynes
and alkynylated 3 H-pyrrolo [1, 2-a] indol-3-ones through rhodium-catalyzed C–H …

The transition-metal-catalyzed C–H functionalization of sulfoxonium ylides with alkynes
formally participates in [4+ 2] annulations to deliver the naphthol scaffolds. In contrast, herein …

Selective C–H activation of a molecule containing multiple directing groups is an important
but challenging issue in organic chemistry. Herein, a combined directing group (hydrazone …

The stereoselective synthesis of 1, 3-enynes from 1, 3-diynes is demonstrated by palladium-
catalyzed selective C–C bond cleavage of cyclopropanol. Exclusive formation of mono …

Air-stable, highly abundant, and cost-effective Co (III)-catalyzed redox-neutral [4+ 2]-
annulation of aromatic sulfoxonium ylides with 1, 3-diynes providing useful substituted 1 …

An efficient and straightforward strategy for the synthesis of isoquinolones through [4+ 2]-
annulation of N-chlorobenzamides with vinyl acetate in the presence of CoCp*(III) catalyst in …

A novel palladium (II)-catalyzed intramolecular [2+ 2+ 2] annulation of indolyl 1, 3-diynes is
described in this contribution. A variety of azepino-fused carbazoles are obtained in …

Transition metal‐catalyzed C− H functionalization of diverse arenes with alkyne units has
attracted enormous attention for decades since they provide straightforward access to …