Fulvenes are a distinctive class of five-membered conjugated hydrocarbons characterised by an exocyclic methylene group conjugated to a cyclopentadienyl ring. Their non‐benzenoid electronic structure ...
Dipolar cycloaddition reactions constitute a cornerstone of modern organic synthesis, enabling the rapid assembly of five-membered heterocycles through the concerted union of a 1,3-dipole and an ...