Consecutive Proline-Catalyzed Aldol Reactions and Metal-Mediated Allylations: Rapid Entries to Polypropionates - Källström, Sara; Erkkilä, Anniina; Pihko, Petri M; Sjöholm, Rainer; Sillanpää, Reijo; Leino, Reko (Synlett, 2005)