https://pubs.rsc.org/en/content/articlelanding/2014/cc/c4cc00767k
Asymmetric semipinacol rearrangement of 2,3-allenols with N-bromo-1,8-naphthalimide - Chemical...
A method using quinidine and optically active binol-derived phosphoric acid as a cocatalyst to catalyze the asymmetric semipinacol rearrangement of...