An efficient new enzymatic method for the preparation of β-aryl-β-amino acid enantiomers
作者:Gábor Tasnádi、Enikő Forró、Ferenc Fülöp
DOI:10.1016/j.tetasy.2008.08.009
日期:2008.9
An efficient synthesis of β-aryl-β-amino acid enantiomers has been developed via the lipase-catalysed enantioselective hydrolysis of the corresponding racemic ethyl esters in an organic solvent. High enantioselectivities (E >100) were observed when the lipase PS-catalysed reactions were performed with H2O (0.5 equiv) in diisopropyl ether at 45 °C. The products could be easily separated and were obtained
通过在有机溶剂中通过脂肪酶催化的相应外消旋乙酯的对映选择性水解,已经开发了β-芳基-β-氨基酸对映体的有效合成。当脂肪酶PS催化的H 2 O(0.5当量)在二异丙醚中于45°C进行时,观察到高对映选择性(E > 100)。产物易于分离,收率⩾40%。