Total Synthesis of Camptothecin and Related Natural Products by a Flexible Strategy
作者:Ke Li、Jinjie Ou、Shuanhu Gao
DOI:10.1002/anie.201607832
日期:2016.11.14
strategy for constructing natural products containing indolizinone or quinolizinone scaffolds and their analogues was developed, which was based on a cascade exo hydroamination followed by spontaneous lactamization. This method was applied in the total synthesis of camptothecin in nine steps in a new ring‐forming approach. It was also used to efficiently prepare five biogenetically or structurally related
开发了一种灵活的策略来构建包含吲哚嗪 酮或喹啉嗪酮支架及其类似物的天然产物,该策略基于级联外加氢胺化,然后进行自发内酰胺化。该方法以一种新的成环方法,通过九个步骤应用于喜树碱的全合成。它也可用于有效制备五种与生物遗传或结构相关的天然生物碱,包括22-羟基氨甲碱,羟巴马汀,去甲肾上腺素,naucleficine和nauclefine,以及35种类似天然产物的分子。我们认为,该方法及其制备的小分子文库可以为研究喜树碱和Nauclea天然产物的生物活性开辟新的途径。