Efficient Palladium-Catalyzed Chirality Transfer in Allyl Carbonates. An Approach to β-Aryl-Substituted γ-Lactones and γ-Hydroxy Amides. Synthesis of the Antidepressant (R)-Rolipram® - Braun, Manfred; Opdenbusch, Kersten; Unger, Claudia (Synlett, 1995)