Lewis acid-catalyzed cleavage of carbamate and carbonate resins

被引：9
|
作者：
Li, WR [1 ]
Lin, YS [1 ]
Yo, YC [1 ]
机构：
[1] Natl Cent Univ, Dept Chem, Chungli 32054, Taiwan
来源：
TETRAHEDRON LETTERS | 2000年 / 41卷 / 34期
关键词：
D O I：
10.1016/S0040-4039(00)01131-X
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
A procedure for the preparation of amides and esters on a Merrifield resin-bound benzyloxycarbonyl equivalent has been developed. Polymer-supported carbamates react cleanly with zinc bromide and the appropriate acyl halide in the presence of triethylamine to provide their corresponding amides in high yields and purities. Cleavage of resin-bound carbonates was carried out using the similar reagent systems in the absence of triethylamine to give acetates or benzoates. (C) 2000 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：6619 / 6622
页数：4
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