Yamamoto, Kazumasa, Stefan Abrecht, and Rolf Scheffold. 1991. “Radical Cyclization Vs. Elimination in the Vitamin-B₁₂-Catalyzed Reduction of Unsaturated Bromo Acetals and Bromo Orthoesters”. CHIMIA 45 (3):86. https://doi.org/10.2533/chimia.1991.86.