Total synthesis of micrococcin P1 and thiocillin I enabled by Mo(<scp>vi</scp>) catalyst
作者:Siddhartha Akasapu、Aaron B. Hinds、Wyatt C. Powell、Maciej A. Walczak
DOI:10.1039/c8sc04885a
日期:——
Thiopeptides are a class of potent antibiotics with promising therapeutic potential. We developed a novel Mo(VI)-oxide/picolinic acid catalyst for the cyclodehydration of cysteine peptides to form thiazoline heterocycles. With this powerful tool in hand, we completed the total syntheses of two representative thiopeptide antibiotics: micrococcin P1 and thiocillin I. These two concise syntheses (15 steps
硫肽是一类具有良好治疗潜力的强效抗生素。我们开发了一种新型 Mo( VI )-氧化物/吡啶甲酸催化剂,用于半胱氨酸肽环脱水形成噻唑啉杂环。借助这个强大的工具,我们完成了两种具有代表性的硫肽抗生素的全合成:微球菌素 P1 和硫西林 I。这两种简洁的合成(15 个步骤,最长的线性序列)采用 C-H 激活策略来安装三取代的吡啶核心和噻唑基团。通过针对一系列革兰氏阳性细菌的测量,该合成材料显示出有前景的抗菌特性。