Syntheses of structurally diverse amino acids, including δ-hydroxylysine, using the acyl nitroso Diels–Alder reaction
作者:Lee Bollans、John Bacsa、Daniel A. O’Farrell、Scott Waterson、Andrew V. Stachulski
DOI:10.1016/j.tetlet.2010.02.076
日期:2010.4
with fully controlled relative stereochemistry, the acyl nitroso Diels–Alder (ANDA) reaction is ideally suited to the synthesis of structurally diverse, including hydroxylated, amino acids. The major issue to be tackled is that of regiochemistry in the ANDA addition to unsymmetrical dienes. The transformation of three diverse types of ANDA adducts into amino acids is described, in particular, the synthesis
借助亚硝基Diels-Alder(ANDA)反应,它可以在完全受控的相对立体化学条件下以1,4-关系引入氨基和羟基官能团,因此非常适合合成结构多样的氨基酸,包括羟基化的氨基酸。要解决的主要问题是除不对称二烯外的ANDA中的区域化学问题。描述了三种不同类型的ANDA加合物向氨基酸的转化,特别是作为保护形式的单一(2 SR,5 SR)非对映异构体,δ-羟基赖氨酸(胶原的重要组成部分)的合成。