1-Phenylthio-3-vinyl-3-cyclohexenol, a new reagent for bis-annelation of silyl enol ethers
作者:Olga Konstantinova、Florence C.E. Sarabèr、Enrique Melguizo、Ben J.M. Jansen、Aede de Groot
DOI:10.1016/j.tet.2005.11.060
日期:2006.2
1-Phenylthio-3-vinyl-cyclohex-1-en-3-ol (2) has been synthesized and investigated as a new bis-annelation reagent for silyl enol ethers. Reagent 2 can be synthesized by a Grignard reaction of vinyl magnesium bromide with 3-phenylthiocyclohexenone. The reaction with silyl enol ethers takes place under Lewis acid catalysis and generally proceeds in good yields. The resulting phenylthiodienes can be hydrolyzed
1-Phenylthio-3-vinyl-cyclohex-1-en-3-ol(2)已被合成和研究,作为一种新的双硅烷化试剂,用于甲硅烷基烯醇醚。试剂2可以通过乙烯基溴化镁与3-苯基硫代环己烯酮的格氏反应来合成。与甲硅烷基烯醇醚的反应在路易斯酸催化下进行,并且通常以良好的收率进行。可以将得到的苯硫基二烯水解为烯酮,该烯酮已经在与多环化合物的同源醛醇缩合反应中环化了。