Synthesis of functionalized acetophenones by [3+3] cyclizations of 1,3-bis-silyl enol ethers with 2-acetyl-3-silyloxyalk-2-en-1-ones

被引:21
|
作者
Dede, R [1 ]
Langer, P [1 ]
机构
[1] Univ Greifswald, Inst Chem & Biochem Ernst Moritz Arndt, D-17487 Greifswald, Germany
关键词
acetophenones; cyclizations; regioselectivity; silyl enol ethers;
D O I
10.1016/j.tetlet.2004.10.104
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The TiCl4 mediated cyclization of 1,3-bis-silyl enol ethers with 2-acetyl-1-silyloxybut-1-en-3-one and 3-acetyl-4-silyloxypcnt-3-en-2-one, readily prepared from 3-formyl(acetylacetone) and triacetyl methane, afforded a variety of functionalized acetophenones. (C) 2004 Published by Elsevier Ltd.
引用
收藏
页码:9177 / 9179
页数:3
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