Access to unusual polycyclic spiro-enones from 2,2′-bis(allyloxy)-1,1′-binaphthyls using Grubbs' catalysts: an unprecedented one-pot RCM/Claisen sequence
Access to unusual polycyclic spiro-enones from 2,2′-bis(allyloxy)-1,1′-binaphthyls using Grubbs' catalysts: an unprecedented one-pot RCM/Claisen sequence