A green procedure for the protection of carbonyl compounds catalyzed by iodine in ionic liquid

被引：37
|
作者：
Ren, Yi-Ming [1 ]
Cai, Chun [1 ]
机构：
[1] Nanjing Univ Sci & Technol, Chem Engn Coll, Nanjing 210094, Peoples R China
来源：
TETRAHEDRON LETTERS | 2008年 / 49卷 / 50期
关键词：
Molecular iodine; Ionic liquid; Carbonyl compounds; Recyclable; Protection;
D O I：
10.1016/j.tetlet.2008.09.088
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Aldehydes and ketones are protected with ethylene glycol in the presence of a catalytic amount of iodine in PEG ionic liquid (IL 400) under mild conditions to afford the corresponding ketals in good yields. The recovery of iodine is facilitated by the ionic liquid. The recovered catalyst was reused six times with consistent activity. (C) 2008 Elsevier Ltd. All rights reserved.
引用
收藏
页码：7110 / 7112
页数：3
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