Stereoselective Synthesis of Difunctionalized 1,3-Dienes Containing Silicon and Selenium via Hydrozirconation of (<i>Z</i>)-3-(Trimethylsilyl)alk-3-en-1-ynes
作者:Xinglin Ye、Pingping Wang、Jiaqin Liu、Mingzhong Cai
DOI:10.1080/00397910802654864
日期:2009.6.9
which underwent a desilylation reaction to afford (Z)-3-(trimethylsilyl)alk-3-en-1-ynes 3 in good yields. (1E,3Z)-1-Arylseleno-3-(trimethylsilyl)-substituted 1,3-dienes 5 could be synthesized stereoselectively via hydrozirconation of (Z)-3-(trimethylsilyl)alk-3-en-1-ynes 3, followed by trapping with arylselenenyl bromides.
摘要 (E)-α-碘乙烯基硅烷 1 与 (三甲基甲硅烷基)-乙炔的 Sonogashira 偶联得到 (Z)-1,3-双(三甲基甲硅烷基)alk-3-en-1-ynes 2,其进行脱甲硅烷化反应得到 ( Z)-3-(三甲基甲硅烷基)alk-3-en-1-ynes 3 收率良好。(1E,3Z)-1-Arylseleno-3-(trimethylsilyl)-取代的 1,3-diene 5 可以通过 (Z)-3-(trimethylsilyl)alk-3-en-1-ynes 3 的氢化锆化立体选择性合成,然后用芳基硒基溴捕获。