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2005
Protection
O 0345
25- 053
Unusual and Unexpected Reactivity of t-Butyl Dicarbonate (Boc2O) with Alcohols
in the Presence of Magnesium Perchlorate. A New and General Route to t-Butyl
Ethers. — The title procedure provides a very good method for obtaining t-butyl ethers
from alcohols. It works under mildly acidic conditions and many functional groups survive the protection process. All side products are volatile compounds, thus, the purification of the products is very simple and convenient. A simple and mild method for
deprotection of the t-butyl ethers is based on the CeCl3·7H 2O/NaI system. —
(BARTOLI*, G.; BOSCO, M.; LOCATELLI, M.; MARCANTONI, E.;
MELCHIORRE, P.; SAMBRI, L.; Org. Lett. 7 (2005) 3, 427-430; Dip. Chim. Org.
"A. Mangini", Univ. Bologna, I-40136 Bologna, Italy; Eng.) — Steudel
2005
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