1. Synthese des Oxy‐berberins
2. Über die Synthese von Carbolinderivaten
3. (c) Whaley, W. M.; Govindachari, T. R. InOrganic Reactions; Adams, R., Ed.; John Wiley and Sons: New York, 1951; Vol. VI, pp 151−190.
4. Examples utilizing the Pictet−Spengler reaction. (a) Czerwinski, K. M.; Cook, J. M. InAdvances in Heterocyclic Natural Products Synthesis; Pearson, W., Ed.; JAI Press: Greenwich, CT, 1996; Vol. 3, pp 217−277. (b) Ashley, E. R.; Cruz, E. G.; Stoltz, B. M.J. Am. Chem. Soc.2003,125, 15000−15001. (c) Niesen, T. E.; Meldal, M.J. Org. Chem.2004,69, 3765−3773. (d) Bunin, B. A.; Dener, J. M.; Kelly, D. E.; Paras, N. A.; Tario, J. D.; Tushup, S. P.J. Comb. Chem.2004,6, 487−496.