快速获得2-替代Bicyclo[1.1.1]坦
Olivia L Garry1, Michael Heilmann1, Jingjia Chen1
1Merck Center for Catalysis at Princeton University, Princeton, New Jersey 08544, United States.
Journal of the American Chemical Society
|January 25, 2023
概括
研究人员开发了一种新方法来合成2-替代双环[1.1.1] (BCPs),这是有价值的药物发现基石. 这一战略简化了新型BCP的使用,其性能比传统的烯化合物更好.
科学领域:
- 医学化学
- 有机合成
- 药物发现
背景情况:
- 药物中的环可以被和的碳环结构 (如双环[1.1.1]) 替代,以增强药物动力学特性.
- 1,3-非功能化BCP是对二代替代基因的有效生物异构体,但对二代替代BCP的快速合成 (ortho-/ meta- arene替代物) 仍然是一个挑战.
- 现有的二替代BCP方法涉及漫长的非模块化序列,通常需要在BCP核心形成之前预先安装替代剂.
研究的目的:
- 为二替代BCP制定一个通用和快速的合成策略.
- 实现BCP核心的C-H键的直接功能化,以实现简化合成.
- 为复杂分子创建新型的2替代BCP合成链.
主要方法:
- 一个可通用的合成关键策略,利用BCP核心的激进C-H抽象.
- 一个强原子抽取器的轻度生成用于BCP关键点的单合成.
- 两种新型的金属光电除协议,用于对电友和核友二替代BCP片段的单步访问.
主要成果:
- 快速的一合成新型二替代BCP合成链钉.
- 在BCP的2位处,方便地访问以前无法访问的电友和核友碎片.
- 使用新平台成功合成了四种药物类型,显示出可比或改进的特性.
结论:
- 报告的平台可以简化多种二替代BCP的途径.
- 这种方法克服了当前方法的局限性,提供了模块化和效率.
- 合成的2-替代BCP具有显著的药物开发潜力,比含有烯的对应物具有更好的性能.
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