Mannich-type Reactions of in Situ Generated N-Acyliminium Ions from α-Amido p-Tolylsulfones with Silyl Enolates
作者:Sang-Hyeup Lee、Santosh T. Kadam
DOI:10.5012/bkcs.2011.32.10.3738
日期:2011.10.20
aliphatic aldehydes reactedwith silyl enol ether and silyl enol ester under mild reaction conditions to afford N-Cbz-protected β-aminoketones and N-Cbz-protected β-amino esters in moderate to good yield, respectively.Key Words : α-Amido p-tolylsulfone, Cbz-Protected β-amino ketone, N-Acyliminium ion, Mannich-type re-action IntroductionA Mannich and Mannich-type reactions are powerfulmethods for the synthesis
, N-苄氧基羰基氨基对甲苯基砜由芳香族和脂肪族醛与甲硅烷基烯醇醚和甲硅烷基烯醇酯在温和的反应条件下反应得到 N-Cbz 保护的 β-氨基酮和 N-Cbz 保护的 β-氨基酯, 产率中等至良好关键词:α-氨基对甲苯砜、Cbz-保护的β-氨基酮、N-酰基亚胺离子、曼尼希型反应简介曼尼希型和曼尼希型反应是合成β-氨基羰基化合物和用于基本碳-碳键形成反应的合成化学。