Synthesis of functionalized acetophenones by [3+3] cyclizations of 1,3-bis-silyl enol ethers with 2-acetyl-3-silyloxyalk-2-en-1-ones
作者:Rüdiger Dede、Peter Langer
DOI:10.1016/j.tetlet.2004.10.104
日期:2004.12
The TiCl4 mediated cyclization of 1,3-bis-silylenolethers with 2-acetyl-1-silyloxybut-1-en-3-one and 3-acetyl-4-silyloxypent-3-en-2-one, readily prepared from 3-formyl(acetylacetone) and triacetylmethane, afforded a variety of functionalized acetophenones.