Enantioenriched spiro-compounds were exclusively obtained in the presence of an excess of air and 2-naphthol, which proceeded through overoxidation, cyclization, and C–N coupling reactions. The ...

Institute of Functional Nano and Soft Materials (FUNSOM), Jiangsu Key Laboratory of Advanced Negative Carbon Technologies, Soochow University, 199 Ren’ai Road, Suzhou, Jiangsu 215123, China Institute ...