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Updated: Apr 19, 2026

Synthesis of Hypervalent Iodonium Alkynyl Triflates for the Application of Generating Cyanocarbenes
Published on: September 8, 2013
Synthesis of heterocycles by formal cycloadditions of isocyanides
Art Kruithof1, Eelco Ruijter, Romano V A Orru
1Department of Chemistry & Pharmaceutical Sciences and Amsterdam Institute for Molecules, Medicines and Systems, VU University Amsterdam, De Boelelaan 1083, 1081 HV Amsterdam (The Netherlands).
Abstract:
Synthetic methodology for the synthesis of heterocycles is of continuous and high interest with applications in materials, catalysis, and medicines. Multicomponent reactions are suitable tools to efficiently generate chemically diverse sets of heterocycles with sufficient structural complexity. Especially isocyanides have proven to be particularly versatile building blocks in these one-pot processes. Due to their electronic structure, isocyanides are able to act sequentially or simultaneously as a nucleophile and an electrophile. Traditionally, isocyanides are therefore frequently used in multicomponent chemistry. In the recent literature, numerous reactions have been reported that involve formal cycloadditions of isocyanides with conjugated heterodienes. This Focus Review aims at mapping this reactivity and at providing insight into the relationship between the various reported reaction partners and the observed reactivity modes.
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