Rhodium catalysed decarbonylation of optically active campholenal analogues

Article abstract of DOI:10.1016/S0040-4039(00)60025-4

Campholenal analogues (+)-1a-d were decarbonylated with a catalytic amount of Rh/Al₂O₃ with only slight racemization. Experiment with other catalysts showed that racemization increases with the ability of the metal to form a π-allyl