作者:Vicente Gotor、Rosario Brieva、Carmen González、Francisca Rebolledo
DOI:10.1016/s0040-4020(01)96208-8
日期:1991.11
Chiral amides obtained from (±)-2-chloropropionate esters and a wide range of amines when the reaction is catalysed by lipase. The enantioselection of the enzyme in this aminolysis reaction depends on the substrate and nucleophile structure and reaction conditions. This lipase can catalyze a transamidation reaction if N-trifluoroethyl-2-chloropropionamide is used as substrate. In this way, amides are
当反应由脂肪酶催化时,由(±)-2-氯丙酸酯和多种胺获得的手性酰胺。该氨解反应中酶的对映体选择取决于底物和亲核试剂的结构以及反应条件。如果将N-三氟乙基-2-氯丙酰胺用作底物,则该脂肪酶可以催化氨基转移反应。以这种方式,以高中度对映体过量获得酰胺。使用CC和PS脂肪酶作为催化剂可实现(±)-2-甲基丁酸乙酯与脂肪胺的氨解作用。