Synthesis of 6,6‐ and 7,7‐Difluoro‐1‐acetamidopyrrolizidines and Their Oxidation Catalyzed by the Nonheme Fe Oxygenase LolO
作者:Nabin Panth、Eliott S. Wenger、Carsten Krebs、J. Martin Bollinger、Robert B. Grossman
DOI:10.1002/cbic.202200081
日期:2022.7.5
difluorinated analogues of 1-exo-acetamidopyrrolizidine (AcAP), an intermediate in loline alkaloid biosynthesis, were prepared and subjected to LolO, the enzyme that naturally hydroxylates and cycloetherifies AcAP. LolO (2-oxoglutarate-dependent nonheme Fe oxygenase) hydroxylates and cycloetherifies 6,6-difluoro-AcAP, but it only hydroxylates 7,7-difluoro-AcAP. The resulting 7,7-difluoro-2-hydroxy-AcAP
制备了 1-外型-乙酰氨基吡咯里西啶 (AcAP)(黑麦草碱生物碱生物合成的中间体)的两种二氟化类似物,并将其置于 LolO(自然羟基化和环醚化 AcAP 的酶)中。LolO(2-酮戊二酸依赖性非血红素铁加氧酶)可羟基化和环醚化 6,6-二氟-AcAP,但它仅羟基化 7,7-二氟-AcAP。所得 7,7-二氟-2-羟基-AcAP 可用于研究 LolO 催化的 2-羟基-AcAP 环醚化。