2005

Addition reactionsO 0060 Ruthenium-Catalyzed Decarboxylative Insertion of Electrophiles. — Various al-

lylic β-ketoesters undergo a regioselective tandem Michael addition/allylic alkylation with activated acceptors (II) or (XIII) in the presence of a ruthenium catalyst. This re-action proceeds via decarboxylative activation of the allylic β-ketoesters. The analo-gous palladium-catalyzed reactions afford the opposite regioisomers. — (WANG, C.; TUNGE*, J. A.; Org. Lett. 7 (2005) 11, 2137-2139; Dep. Chem., Univ. Kans., Lawrence, KS 66045, USA; Eng.) — Klein

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