ChemInform Abstract: Some Valenes of Benzoanellated Five‐Membered Heteroarenes ‐ Syntheses and NMR Spectra.

Abstract

1,3‐Dipolar cycloaddition reactions of the benzvalenylsulfone (I) with compounds such as (II) or (VI) and subsequent elimination reaction of the products (III) or (VIII) give rise to valenes such as (V) or (IX).