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The intermolecular α‐allylation of enals and enones occurs by the condensation of variously substituted allenamides with allylic alcohols. Cooperative catalysis by [Au(ItBu)NTf2] and AgNTf2 enables the synthesis of a range of densely functionalized α‐allylated enals, enones, and acyl silanes in good yield under mild reaction conditions. DFT calculations support the role of an α‐gold(I) enal/enone...
Die ungewöhnliche Umlagerung eines Ruthenium‐Katalysators von der Indenyliden‐ in die η5‐Indenyl‐Form wurde beobachtet. Der resultierende Komplex ist das formale Zersetzungsprodukt eines Olefinmetathese‐Präkatalysators und ein schon in sehr geringen Mengen außergewöhnlich aktiver Katalysator der Racemisierung von chiralen Alkoholen.
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