Triethylaluminum Catalyzed Ring Opening Reaction of 1-Acetyl-2-[(trimethylsilyl)methyl]cyclobutanes. Stereoselective Preparation of (Z)-Enol Trimethylsilyl Ethers
作者:Tooru Fujiwara、Atsushi Suda、Takeshi Takeda
DOI:10.1246/cl.1991.1619
日期:1991.9
The triethylaluminum catalyzed ring opening reaction of 1-acetyl-2-[(trimethylsilyl)methyl]cyclobutanes gave (Z)-6-(trimethylsiloxy)-1,5-heptadienes stereoselectively. The starting materials were easily prepared by the 1,4-addition of (trimethylsilyl)methylmagnesium chloride to 1-cyclobutenyl ketones.
三乙基铝催化的 1-乙酰基-2-[(三甲基甲
硅烷基)甲基]
环丁烷的开环反应立体选择性地得到(Z)-6-(三甲基甲
硅烷氧基)-1,5-庚二烯。通过(三甲基甲
硅烷基)
甲基氯化镁与 1-
环丁烯基酮的 1,4-加成反应很容易制备原料。