期刊
JOURNAL OF ORGANOMETALLIC CHEMISTRY
卷 692, 期 17, 页码 3614-3618出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jorganchem.2007.05.002
关键词
LaCl3; hexamethyldisilazane; protection of hydroxy group; silylation ethers
A variety of hydroxy functional groups was protected as their corresponding trimethylsilyl ethers using HMDS in the presence of lanthanum trichloride. The catalyst LaCl3 activates the HMDS and accelerates the reaction under mild reaction conditions at room temperature to afford the corresponding silylated products in excellent yields. (c) 2007 Elsevier B. V. All rights reserved.
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