Hypervalent iodine compounds are privileged reagents in organic synthesis because of their
exceptional reactivity. Among these compounds, cyclic derivatives stand apart because of …

The alkoxyl radical is an important reactive intermediate in mechanistic studies and organic
synthesis; however, its current generation from alcohol oxidation heavily relies on transition …

Alkynes are among the most versatile functional groups in organic synthesis. They are also
frequently used in chemical biology and materials science. Whereas alkynes are …

A hypervalent iodine (III) reagent catalyzed carbonylarylation of acrylamides with α-
oxocarboxylic acids driven by visible-light without a photoredox catalyst has been …

The first palladium-catalyzed Sonogashira coupling of amides has been developed, which
proceeds via a selective cleavage of the N-acylsaccharin C–N bond. Notably, the new …

The Brønsted acid‐mediated reaction of unactivated alkynes with aryl sulfoxides leads to
simultaneous hydration and intermolecular C− C bond formation. This solvent‐and metal …

Abstract Hypervalente Iodverbindungen nehmen als Reagentien in der organischen
Synthese aufgrund ihrer außergewöhnlichen Reaktivität eine Sonderstellung ein. Unter …

Alkynyl-λ3-iodanes have been established as alkynyl cation equivalents for the alkynylation
of carbon-and heteroatom-based nucleophiles. Herein, we report an unprecedented …

This perspective review will examine the coordination chemistry and applications of metal
complexes of 4, 5-diazafluorene derivatives. The versatile derivatives of 4, 5-diazafluorene …

An efficient and generally applicable protocol for decarboxylative coupling of α, α‐
difluoroarylacetic acids with ethynylbenziodoxolone (EBX) reagents has been developed …