A Mild, Efficient, and Selective Method for the Desilylation of More Common Trialkylsilyl Ethers by Cerium(III) Chloride Heptahydrate and Sodium Iodide in Acetonitrile
DOYLE, MICHAEL P.;HIGH, KENNETH G.;BAGHERI, VAHID;PIETERS, ROLAND J.;LEWI+, J. ORG. CHEM., 55,(1990) N5, C. 6082-6086
作者:DOYLE, MICHAEL P.、HIGH, KENNETH G.、BAGHERI, VAHID、PIETERS, ROLAND J.、LEWI+
DOI:——
日期:——
Preparation of Nano Silica Supported Sodium Hydrogen Sulfate: As an Efficient Catalyst for the Trimethyl, Triethyl and<i>t</i>-Butyldimethyl Silylations of Aliphatic and Aromatic Alcohols in Solution and under Solvent-free Conditions
作者:Abdolreza Abri、Somayeh Ranjdar
DOI:10.1002/jccs.201300586
日期:2014.8
Nano silicasupportedsodiumhydrogensulfate has been prepared by mixing NaHSO4 with activated Nano silicagel. We wish to report a new method for the synthesis of trimethyl (TMS), triethyl (TES) and t‐butyldimethyl silyl (TBS) ethers from benzylic, allylic, propargylic alcohols, phenols, naphtholes and some of phenolic drugs in the solution and under solvent‐free conditions.
A Mild, Efficient, and Selective Method for the Desilylation of More Common Trialkylsilyl Ethers by Cerium(III) Chloride Heptahydrate and Sodium Iodide in Acetonitrile
Treatment of trialkylsilyl ethers with cerium(III) chloride heptahydrate and sodium iodide in acetonitrile provides a simple, convenient, and chemoselective process for desilylation, and the parent alcohol was obtained in high yield. The trialkylsilyl ethers have been cleaved selectively in the presence of acetate, benzyl and tetrahydropyranyl ethers.