T. Oriyama et al., A mild and feasible deprotection of alcohol tetrahydropyranyl or methoxymethyl ethers catalyzed by Sc(OTf)(3), SYN COMMUN, 31(15), 2001, pp. 2305-2311
Tetrahydropyranyl or methoxymethyl ethers can be easily deprotected by trea
tment of-a catalytic amount of scandium trifluoromethanesulfonate along wit
h methanol or 1,3-propanediol, respectively, to afford the corresponding pa
rent alcohols in high to excellent yields.