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Taste Exam: A Brief and Validated Test
Published on: August 17, 2018
一种易于获得的 (+) - 斯帕特因替代品.
Michael J Dearden1, Catherine R Firkin, Jean-Paul R Hermet
1Department of Chemistry, University of York, Heslington, York YO10 5DD, U.K.
Journal of the American Chemical Society
|October 3, 2002
概括
一种从 (-) - cytisine 中合成的新型性二胺,在不对称的转换中显示出对 (-) - sparteine 的抗补选择性. 这一发现为合合成和催化剂开发提供了新的可能性.
科学领域:
- 有机化学 有机化学
- 不对称的合成方法
- 催化剂是一种催化剂.
背景情况:
- 基拉尔二胺是不对称催化剂中至关重要的配体.
- (-) - - 斯巴尔泰因是一种成熟的合性二胺联结体.
- 开发具有互补选择性的新型性配体具有显著的兴趣.
研究的目的:
- 为了合成一种由 (-) -cytisine衍生而来的新性二胺.
- 为了评估这种新型二胺在不对称转换中的性能.
- 为了比较其与 (-) - 斯巴特因的enantioselectivity.
主要方法:
- 从 (-) -cytisine中合成目标合性二胺的三步合成.
- 在四个不同的不对称转换中进行评估.
- 对选择性的分析和与 (-) - - 斯巴特因的比较.
主要成果:
- 这种新型的性胺已成功合成.
- 它在所有测试的不对称反应中都表现出高的反抗选择性.
- 观察到的选择性与 (-) - - 斯巴泰因的选择性相辅相成.
结论:
- 新的性胺是一种可行的替代 (-) - - 斯巴泰因.
- 在不对称合成中,它可以进入相反的反体.
- 这项研究扩大了对不对称催化剂的工具包.
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