Phosphorus(V)-catalyzed deoxydichlorination reactions of aldehydes

Phosphorus(V)-catalyzed deoxydichlorination reactions of aldehydes
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DOI:
10.1016/j.tet.2013.07.100
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发表时间:
2013-10-14
期刊:
影响因子:
2.1
通讯作者:
Denton, Ross M.
Denton, Ross M.
中科院分区:
化学3区
文献类型:
--
作者:
An, Jie;Tang, Xiaoping;Denton, Ross M.

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报道了一种以氧化膦为催化剂将醛转化为1,1-二氯的反应。该反应通过磷(V)催化歧管进行,在该歧管中,以草酰氯为消耗剂实现了氧化膦的周转。新方法适用于一系列醛,并与钯催化的还原二聚反应相结合,产生了合成二苯乙烯的新催化方法和白藜芦醇的较短的形式合成。(C)2013爱思唯尔有限公司。保留所有权利。
A phosphine oxide-catalyzed conversion of aldehydes into 1,1-dichlorides is reported. The reaction proceeds via a phosphorus(V)-catalysis manifold in which phosphine oxide turnover is achieved using oxalyl chloride as a consumable reagent. The new method is applicable to a range of aldehydes and, in combination with palladium-catalyzed reductive dimerization, gives rise to a new catalytic approach to the synthesis of stilbenes and a short formal synthesis of resveratrol. (C) 2013 Elsevier Ltd. All rights reserved.