Synthesis of 4-hydroxy- and 2,4-dihydroxy-homophthalates by [4+2] cycloaddition of 1,3-bis(silyloxy)-1,3-butadienes with dimethyl allene-1,3-dicarboxylate
作者:Ibrar Hussain、Mirza A. Yawer、Bettina Appel、Muhammad Sher、Ahmed Mahal、Alexander Villinger、Christine Fischer、Peter Langer
DOI:10.1016/j.tet.2008.05.118
日期:2008.8
The reaction of 1,3-bis(trimethylsiloxy)-1,3-butadienes with dimethyl allene-1,3-dicarboxylate provides a convenient and regioselective approach to a variety of functionalized 4-hydroxy- and 2,4-dihydroxy-homophthalates.
Synthesis and reactions of 2-chloro-1,3-bis(trimethylsilyloxy)-1,3-butadienes
作者:Stefanie Reim、Muhammad Adeel、Ibrar Hussain、Mirza A. Yawer、Zafar Ahmed、Alexander Villinger、Peter Langer
DOI:10.1016/j.tetlet.2008.05.151
日期:2008.8
The reaction of 2-chloro-1,3-bis(trimethylsilyloxy)-1,3-butadienes with various electrophiles allows a convenient synthesis of chlorinated molecules which are not readily available by other methods. (C) 2008 Elsevier Ltd. All rights reserved.