Total Synthesis and Stereochemical Confirmation of (−)-Olivil, (+)-Cycloolivil, (−)-Alashinols F and G, (+)-Cephafortin A, and Their Congeners: Filling in Biosynthetic Gaps
作者:Jithender Reddy Vakiti、Stephen Hanessian
DOI:10.1021/acs.orglett.0c00773
日期:2020.5.1
For the first time, we describe the stereocontrolled total syntheses of olivil, cephafortin A, 4-des-O-methyl-4-O-rhamnosyl cephafortin A, and alashinol F from a common precursor using a combination of chemoenzymatic and biomimetic methods for the systematic introduction of functional groups on three vicinal stereogenic carbon atoms. We revised the previously assigned stereochemistry of (+)-cephafortin
我们首次描述了使用化学酶法和仿生方法相结合,从共同前体中立体控制全合成 olivil、头孢福汀 A、4-des-O-甲基-4-O-鼠李糖基头孢福汀 A 和 alashinol F。在三个邻位立体碳原子上系统地引入官能团。我们修改了之前指定的 (+)-头孢福汀 A 的立体化学,将其报告为对映体。天然和非自然同系物提供了对该家族成员的生物遗传相互关系的见解。