Categories: O-H Bond Formation >
Cleavage of acetals
Protecting Groups
Recent Literature

Acetals and ketals are readily deprotected under neutral conditions in the
presence of acetone and indium(III)
trifluoromethanesulfonate as catalyst at room temperature or mild microwave
heating conditions to give the corresponding aldehydes and ketones in good to
excellent yields.
B. T. Gregg, K. C. Golden, J. F. Quinn, J. Org. Chem., 2007,
72, 5890-5893.

Er(OTf)3 is an efficient Lewis acid catalyst in a mild
deprotection of benzylidene derivatives.
A. Procopio, R. Dalpozzo, A. De Nino, L. Maiuolo, M. Nardi, G. Romeo, Org. Biomol. Chem., 2005, 3, 4129-4133.

A new and efficient method for the cleavage of the PMP, THP and 1,3-dithiane
protecting groups with Selectfluor™ has been developed.
J. Liu, C.-H. Wong, Tetrahedron Lett., 2002, 43,
4037-4039.

A simple and efficient method has been developed for chemoselective
deprotection of phenolic methoxymethyl (MOM) ethers at
room temperature using silica-supported
sodium hydrogen sulfate as a heterogeneous catalyst.
C. Ramesh, N. Ravindranath, B. Das, J. Org. Chem., 2003, 68, 7101-7103.
