Synthesis and Characterization of π‐Extended Azulenes via Nucleophilic Substitution and Intramolecular Cyclization of 5‐Alkynyl‐6‐Fluoroazulenes. - Dietl, Martin C.; Scherr, Matthias; Hüßler, Christopher; Habeck, Henrik T.; Henel, Carmen L. M.; Graf, Jürgen; Rominger, Frank; Rudolph, Matthias; Hashmi, A. Stephen K. (Chemistry Europe, 2026)