JL Hann, CL Lyall, G Kociok‐Köhn… - Angewandte Chemie …, 2024 - Wiley Online Library
A dearomative oxidation of pyrroles to Δ3‐pyrrol‐2‐ones is described, which employs a
sulfoxide as oxidant, in conjunction with a carboxylic acid anhydride and a Brønsted acid …