Fig. 6
From: Oxidative [4+2] annulation of styrenes with alkynes under external-oxidant-free conditions

Mechanistic studies. a Stern−Volmer emission quenching studies; b kinetic isotopic effect experiment
From: Oxidative [4+2] annulation of styrenes with alkynes under external-oxidant-free conditions
Mechanistic studies. a Stern−Volmer emission quenching studies; b kinetic isotopic effect experiment