Insight into the Stereoselective Synthesis of (1<i>S</i>)‐Nor(pseudo)ephedrine Analogues by a Two‐Steps Biocatalytic Process
作者:Noemi Fracchiolla、Stefania Patti、Fabio Sangalli、Daniela Monti、Francesco Presini、Pier Paolo Giovannini、Fabio Parmeggiani、Elisabetta Brenna、Davide Tessaro、Erica Elisa Ferrandi
DOI:10.1002/cctc.202301199
日期:2024.2.8
The stereodivergent synthesis of variously substituted norephedrines has been attained starting from the cheap and commercially available corresponding aromatic aldehydes through a bi-enzymatic synthetic sequence. In the first step, a benzoin-type condensation is mediated by the (S)-selective acetoin:dichlorophenolindophenol oxidoreductase (Ao:DCPIP OR), while in the second step either a (R)- or a
各种取代的去甲麻黄碱的立体发散合成已经通过双酶合成序列从廉价且市售的相应芳香醛开始实现。在第一步中,安息香型缩合由 ( S )-选择性乙偶姻:二氯苯酚靛酚氧化还原酶 (Ao:DCPIP OR) 介导,而在第二步中,则由 ( R )- 或 ( S )-氨基转氨酶 ( ATA)用于进行氨基转移并获得最终产品。 14 种底物阵列与 6 种不同的 ATA 相结合,并根据转化率和对映体过量对产品进行了表征。