We report the first synthesis and structural characterization of free, uncomplexed phosphet-2-
ones. These unsaturated four-membered phosphacycles were prepared by phosphinidene …

Great attention has been paid to cyclopropenones as they are present in many natural
sources. Various synthesized cyclopropenone derivatives also show a wide range of …

We herein report a phosphine-catalyzed (3+ 2) annulation of cyclopropenones with a wide
variety of electrophilic π systems, including aldehydes, ketoesters, imines, isocyanates, and …

A phosphine-catalyzed intermolecular asymmetric dearomatization reaction of
benzimidazoles with cyclopropenones has been developed. In the presence of 5 mol% of …

Cyclopropenone has emerged as a highly versatile precursor in organic synthesis due to its
diverse reactivity. The cyclopropenone derivatives could undergo various transformations …

The ring-reorganizing transformations of activated cyclopropanes are typically achieved
under acidic conditions. This Letter describes the first acid-free and Lewis base-mediated …

A phosphine-catalyzed ring-opening addition reaction of cyclopropenones with a variety of
nucleophiles (NuH), including oxygen-, nitrogen-, sulfur-, and carbon-based ones, has been …

An I2-DMSO mediated multicomponent [3+ 2] cascade annulation reaction using methyl
ketones, 1, 2, 3, 4-tetrahydroisoquinolines (THIQ) and cyclopropenones as readily available …

We report herein a domino reaction to construct 2-amido-5-fluoropyrroles from CF3-
substituted N-allenamides. The in situ generated gem-difluorinated ene-ynamides derived …

We developed a pyridine-catalyzed annulation of diaryl cyclopropenone with bromomethyl
carbonyl compounds leading to 5-carbonyl furan-2 (5H)-ones. Pyridinium, derived from the …