The synthesis of alcohols from aromatic olefins is described using a rhodium‐catalyzed hydroformylation–reduction sequence with the assistance of a tertiary diamine ligand. The alcohols are produced in excellent branched to linear ratios and in good to excellent isolated yields. In all cases no aldehyde product, from hydroformylation, or alkyl product, from olefin reduction, was detected.
Both eight-membered enamide rings and fused [4.2.0]aminocyclobutane-containing delta-lactams can be accessed from N-vinyl-beta-lactams. The eight-membered rings are made through a [3,3] sigmatropic rearrangement. At elevated temperature, the eight-membered lactam undergoes electrocyclization to furnish fused cyclobutane delta-lactams in a diastereoselective manner.
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