A convenient deprotection of acyclic and cyclic O,O-acetals and O,O-ketals is achieved in excellent yields within minutes under neutral conditions in the presence of a catalytic amount of iodine. Double bonds, hydroxyl groups, acetate groups, and highly acid-sensitive groups such as furyl, tert-butyl ethers, and ketoximes are tolerated.
J. Sun, Y. Dong, L. Cao, X. Wang, S. Wang, Y. Hu,
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http://dx.doi.org/10.1021/jo0486239Заранее огромное спасибо!!!
