Keteniminium ions have been demonstrated to be remarkably useful and versatile reactive
intermediates in chemical synthesis. These unique heterocumulenes are pivotal …

Ynamides have recently evolved as remarkably reactive and versatile building blocks for
chemical synthesis. The development of efficient and robust methods for their preparation …

A general and efficient procedure for the copper-catalyzed photoinduced radical domino
cyclization of ynamides and cyanamides providing an efficient access to complex tri-, tetra …

Ynamides are accessed via copper-catalyzed coupling of Grignard or organozinc
nucleophiles with chloroynamides, formed in situ from 1, 2-dichloroenamides. The reaction …

A highly efficient catalytic silylcupration of activated alkynes is reported. Upon reaction with
silylboronates and methanol in THF at room temperature in the presence of copper (I) …

A K2CO3-promoted tandem ring-opening/ring-closing of N-alkynyl-2-oxazolidinones has
been described, affording 2-oxazolines in 42–99% yields without column chromatography …

Org. Synth. 2019, 96, 195-213 X DOI: 10.15227/orgsyn. 096.0195 196 character of the
nitrogen atom strongly polarizes the carbon–carbon triple bond, which can furnish …

Ynamides have recently emerged as versatile and powerful building blocks in modern
synthetic chemistry over the past decades. Unlike ynamines, which are extremely reactive …

Over the past 20 years, ynamides have clearly emerged as versatile building blocks in
organic synthesis allowing the construction of various nitrogen-containing molecules with …

Ynamides provide unique opportunities not only for the introduction of nitrogen‐containing
motifs into organic molecules but also for the generation of otherwise hardly accessible …