A Facile Stereoselective Synthesis of (2E)-3-Silylallylic Alcohols by Hydromagnesiation of 1-Aryl-2-silylacetylenes
作者:Mingzhong Cai、Zhou Zhou、Jianwen Jiang
DOI:10.1002/ejoc.200501002
日期:2006.3
Hydromagnesiation of 1-aryl-2-silylacetylenes 1 in diethyl ether gave (1E)-2-silylvinyl Grignard reagents 2, which reacted with aldehydes or ketones 3 to afford stereoselectively (2E)-3-silylallylic alcohols 4 in good to high yields. (© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2006)
1-芳基-2-甲硅烷基乙炔 1 在乙醚中的加氢氧化得到 (1E)-2-甲硅烷基乙烯基格氏试剂 2,其与醛或酮 3 反应以立体选择性提供 (2E)-3-甲硅烷基烯丙醇 4,收率良好至高。(© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2006)