S. Chiba, “Mn(iii)-Catalyzed Radical Reactions of 1,3-Dicarbonyl Compounds and Cyclopropanols with Vinyl Azides for Divergent Synthesis of Azaheterocycles”, Chimia, vol. 66, no. 6, p. 377, Jun. 2012, doi: 10.2533/chimia.2012.377.