An efficient synthesis of procyanidins. Rare earth metal Lewis acid catalyzed equimolar condensation of catechin and epicatechin
An efficient synthesis of procyanidins. Rare earth metal Lewis acid catalyzed equimolar condensation of catechin and epicatechin
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DOI：
10.1016/j.tetlet.2007.06.047
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发表时间：
2007-08-13
影响因子：
1.8
通讯作者：
Makabe, Hidefumi
中科院分区：
文献类型：
--
作者：
Mohri, Yoshihiro;Sagehashi, Masayoshi;Makabe, Hidefumi
通过Yb（OTf）催化等摩尔量的偶联实现儿茶素和表儿茶素二聚体在分子间缩合中的立体选择性合成（3）。偶联产物成功转化为原花青素B 1、B2、B3和B4。(c)2007爱思唯尔有限公司保留所有权利。
Stereoselective synthesis of catechin and epicatechin dimers tinder intermolecular condensation is achieved by an equimolar amount of coupling catalyzed by Yb(OTf)(3). The coupled products were successfully converted to procyanichn B I, B2, B3, and B4. (c) 2007 Elsevier Ltd. All rights reserved.