Silyl trifluoromethanesulfonate-activated para-methoxybenzyl methyl ether as an alkylating agent for thiols and aryl ketones
作者:C. Wade Downey、Sarah E. Covington、Derek C. Obenschain、Evan Halliday、James T. Rague、Danielle N. Confair
DOI:10.1016/j.tetlet.2014.07.068
日期:2014.9
para-Methoxybenzyl methyl ether acts as an alkylating agent for thiols in the presence of trimethylsilyl trifluoromethanesulfonate and trialkylamine base in good yields (58–96%). Aryl ketones are alkylated under similar conditions, probably through an enol silane intermediate, also in high yields (67–95%). The active alkylating species is likely a p-methoxybenzyl cation.
对甲氧基苄基甲基醚作为用于在三甲基甲硅烷和三氟甲磺酸以良好的收率三烷基胺碱(58-96%)的存在下的硫醇的烷基化剂。芳基酮在相似的条件下也可能通过烯醇硅烷中间体进行烷基化,收率也很高(67-95%)。活性烷基化物质可能是对甲氧基苄基阳离子。