Intramolecular Reaction of Transient Phosphenium and Arsenium Ions Giving Rise to Isolable 9-Phospha- and 9-Arsena-Fluorenium Ions.
Marian OlaruDaniel DuvinageYannik NaßLorraine A MalaspinaStefan MebsJens BeckmannPublished in: Angewandte Chemie (International ed. in English) (2020)
Transient phosphenium and arsenium ions, generated by fluoride abstraction from bis(m-terphenyl)fluoropnictogens, underwent intramolecular electrophilic attack prior to methyl group migration and gave rise to isolable 9-phospha- and 9-arsena-fluorenium ions.