Light-Driven Organocatalytic Birch Reduction for Late-Stage Drug Modification and sp 3 -Rich Spirocycle Synthesis - Florian Schiel; Luca di Martile; Roberta Coccia; Andrea Palone; Magdalena Medrzycka; Laura Kqiku; Paulo Neves; Nunzio Matera; Antonio Misale; Paolo Melchiorre (Journal of the American Chemical Society, 2026)