Deprotection of Thioacetals Using K2S2O8/[bmim]Br as a Mild and Efficient Reagent under Solvent-Free Conditions
作者:Abdol R. Hajipour、Majid Mostafavi、Arnold E. Ruoho
DOI:10.1007/s00706-007-0650-1
日期:2007.6
A straightforward and effective procedure for the deprotection of thioacetals to the corresponding carbonyl compounds using potassium persulfate and the ionic liquid [ bmim ]Br undersolvent-freeconditions is reported. A variety of aliphatic and aromatic 1,3-dithiolanes or 1,3-dithanes was deprotected to the corresponding carbonyl derivatives by this procedure.
Layered zirconium sulfophenyl phosphonate was found to be an efficient heterogeneous catalyst for mild hydrolysis of 1,2 dithiolanes and 1,3 dithianes to their corresponding carbonyl compounds.