Lactone product (12, on left) was reacted with Camphorsulfonic acid in methanol, which formed alcohol product (13, on right) in a high yield. This is one step in a reaction used for biological studies used for anti-cancer treatment.
Trost, B. M.; Guangbin, D. J. Am. Chem. Soc., 2010, 132, 16403-16416. 2010, 132, 371-383.
