Synthesis of γ-Oxo γ-Aryl and γ-Aryl α-Amino Acids from Aromatic Aldehydes and Serine
作者:Shibin Chacko、Ramesh Ramapanicker
DOI:10.1002/ejoc.201201128
日期:2012.12
γ-Oxo α-amino acids and γ-aryl α-amino acids are compounds with very interesting biological properties and are active components of many drug molecules. Oxo amino acids are also used as synthetic precursors for a number of unnatural amino acids and amino alcohols. We report a very efficient synthesis of such compounds through the coupling of aromatic dithianes, prepared from aromatic aldehydes and an
γ-氧代α-氨基酸和γ-芳基α-氨基酸是具有非常有趣的生物学特性的化合物,是许多药物分子的活性成分。含氧氨基酸还用作许多非天然氨基酸和氨基醇的合成前体。我们报告了通过芳族二噻烷的偶联非常有效地合成此类化合物,该芳族二噻烷由芳族醛和丝氨酸的碘化物衍生物制备。由此获得的化合物中的二噻烷基团可以水解或还原分别生成 4-氧代-4-芳基或 4-芳基 2-氨基丁醇衍生物,在进一步转化时,它们可以转化为标题化合物。从 L-丝氨酸开始提供具有完全对映纯度的相应 D-氨基酸。报告的方法在经济上可行并补充了现有方法,