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The First Direct Enzymatic Hydrolysis of Alicyclic beta-Amino Esters;A Route to Enantiopure cis and trans beta-Amino Acids

机译:脂环式β-氨基酯的首次直接酶水解;对映体纯和顺式β-氨基酸的途径

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摘要

The first direct enzymatic method is reported for the synthesis of cis and trans |3-amino acid enantiomers through the lipase-catalyzed enantioselective hydrolysis of alicyclic |3-amino esters in organic media.High enantioselectivities (E usually > 100) were observed when the Candida antarctica lipase B catalyzed reactions were performed with H2O (0.5 equivalents) in iPr20 at 65 °C.The resolved products,obtained in good yields (>42%),could be easily separated.
机译:据报道,第一种直接酶法是在有机介质中通过脂酶催化脂环族| 3-氨基酯的对映选择性水解来合成顺式和反式3-氨基酸对映体。观察到高对映体选择性(E通常> 100)。在65°C下用iPr20中的H2O(0.5当量)进行南极假丝酵母脂肪酶B催化反应。分离出的收率高(> 42%)的产物很容易分离。

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