一种异构的异构特异合成证实了其紧张的三环结构
Natalie C Dwulet1, Zeinab Chahine2, Karine G Le Roch2
1Department of Chemistry, University of California, Irvine, California 92697-2025, United States.
Journal of the American Chemical Society
|February 2, 2023
概括
研究人员合成了罕见的异聚异和其二聚体. 这项工作澄清了天然产品
科学领域:
- 有机化学
- 自然产品合成
背景情况:
- 异氨基酸是一种罕见的异氨基酸天然产物,具有紧张的环系统.
- 假设与相关化合物的生物合成联系表明其报告的结构可能存在错误.
研究的目的:
- 为了实现同位素氨基酸的总合成.
- 通过合成非自然的二元体来调查潜在的结构错误.
- 探索用于构建应力多环系统的新型合成方法.
主要方法:
- 整体合成异构和两个非自然的二聚体.
- 具有挑战性的 cis-to-trans 脱卡隆表皮化.
- 新的循环硫酸盐-皮纳科尔类型的重组,用于应力环形成.
- 立体控制的Mukaiyama-Michael添加和区域选择性消除.
- 对于三级异烯形成的基化.
- 计算机分析指导合成规划和立体化学控制.
主要成果:
- 顺利合成异氧化及其非自然的二氧化.
- 开发一种新型的循环硫酸盐重组方法,
- 展示关键的立体选择和区域选择转换.
- 通过合成证实了异构的拟议结构.
结论:
- 合成途径提供了异胺和其类似物.
- 这项研究验证了所提出的结构,并提供了对其立体化学的见解.
- 开发了新的合成方法来制造复杂,紧张的天然产品.
![Solid-phase Synthesis of [4.4] Spirocyclic Oximes](/_next/image?url=https%3A%2F%2Fcloudfront.jove.com%2FCDNSource%2Fteasers%2F58508.jpg&w=3840&q=50)
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