A Domino 10-Step Total Synthesis of FR252921 and Its Analogues, Complex Macrocyclic Immunosuppressants
作者:Yong Chen、Guilhem Coussanes、Caroline Souris、Paul Aillard、Dainis Kaldre、Kathrin Runggatscher、Stefan Kubicek、Giovanni Di Mauro、Boris Maryasin、Nuno Maulide
DOI:10.1021/jacs.9b07185
日期:2019.9.4
efficient and flexible synthesis has hindered further biological studies, mostly due to the fact that the natural products appear to be kinetic isomers regarding the triene moiety. Herein, we report the development and application of an unprecedented, unique domino Suzuki–Miyaura/4π-electrocyclic ring-opening macrocyclization, resulting in a concise, unified, and stereoselective synthetic route to these complex
FR252921、FR252922 和 FR256523 是一类具有新作用方式的强效大环多烯免疫抑制剂。然而,缺乏有效和灵活的合成阻碍了进一步的生物学研究,主要是由于天然产物似乎是关于三烯部分的动力学异构体。在此,我们报告了一种前所未有的、独特的多米诺 Suzuki-Miyaura/4π-电环开环大环化的开发和应用,只需 10 个步骤即可获得这些复杂目标的简明、统一和立体选择性合成路线。这反过来又使人们能够很容易地获得一系列非天然类似物,其中几种化合物对 T 淋巴细胞增殖的抑制水平与天然产物本身相同或更高。