Synthetic Strategy toward γ-Keto Nitriles and Their Biocatalytic Conversion to Asymmetric γ-Lactones
作者:Brent Feske、Sarah Franz、Richard Watkins、Laura Wright、Blair Weaver、Ramon Hartage、Ion Ghiviriga、Giuseppe Gumina
DOI:10.1055/s-0033-1339282
日期:——
result in an intramolecular cyclization to chiral γ-lactones, which have a variety of biological uses. Starting with an assortment of different aldehydes (alkyl and aryl) a 4-step synthesis of γ-keto nitriles was developed. These prochiral substrates were then screened against a library of ketoreductases for their ability to stereoselectively reduce the carbonyl. Enzymes from the short chain dehydrogenase
摘要 不对称的γ-羟基腈是有价值的中间体,因为腈的水解可导致分子内环化为手性γ-内酯,具有多种生物学用途。从各种不同的醛(烷基和芳基)开始,开发了一种4步合成γ-酮腈的方法。然后针对酮还原酶文库筛选这些前手性底物的立体选择性还原羰基的能力。短链脱氢酶家族的酶表现出活性,并且这些酶促反应被放大以产生多种手性γ-内酯。 不对称的γ-羟基腈是有价值的中间体,因为腈的水解可导致分子内环化为手性γ-内酯,具有多种生物学用途。从各种不同的醛(烷基和芳基)开始,开发了一种4步合成γ-酮腈的方法。然后针对酮还原酶文库筛选这些前手性底物的立体选择性还原羰基的能力。短链脱氢酶家族的酶表现出活性,并且这些酶促反应被放大以产生多种手性γ-内酯。