Mixed metal MgO-ZrO2 nanoparticle-catalyzed O-tert-Boc protection of alcohols and phenols under solvent-free conditions

被引:50
作者
Gawande, Manoj B. [1 ]
Shelke, Sharad N. [2 ]
Branco, Paula S. [1 ]
Rathi, Anuj [3 ]
Pandey, Rajesh K. [4 ]
机构
[1] Univ Nova Lisboa, Dept Quim, Fac Cienciase Tecnol, REQUIMTE, P-1200 Lisbon, Portugal
[2] SSGM Coll, Dept Chem, Kopargaon 423601, MH, India
[3] Jubilant Chemsys Ltd, New Delhi 201301, Noida, India
[4] Marquette Univ, Dept Chem, Milwaukee, WI 53233 USA
关键词
O-tert-butoxycarbonylation; phenol and alcohol; mixed metal oxides; nanoparticles; solvent-free; reusable and recyclable; BUTYL DICARBONATE; HYDROXY COMPOUNDS; HIGHLY EFFICIENT; BUTOXYCARBONYLATION; AMINES; CARBONATES; ACID; ANHYDRIDES; HALIDES;
D O I
10.1002/aoc.2846
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
An environmentally benign method for O-tert-Boc protection of alcohols and phenols catalyzed by MgOZrO2 nanoparticles under solvent-free conditions is described. A variety of phenols, alcohols (aliphatic and aromatic) were converted to corresponding O-tert-Boc products in good to excellent yield (5095%). The present protocol is expedient, simple, and efficient under solvent-free conditions. The MgOZrO2 Nps are easily prepared from inexpensive precursors, and are reusable, recyclable and chemoselective. Copyright (c) 2012 John Wiley & Sons, Ltd.
引用
收藏
页码:395 / 400
页数:6
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