3. Baran, P. S.; Shenvi, R. A., Mitsos, C. A. A Remarkable Ring Contraction En Route to the Chartelline Alkaloids. Angew. Chem. Int. Ed. 2005, 44, 3714-3717.
3. Baran, P. S.; Shenvi, R. A., Mitsos, C. A. A Remarkable Ring Contraction En Route to the Chartelline Alkaloids. Angew. Chem. Int. Ed. 2005, 44, 3714-3717.