第一个1,2sigma5-selenaphosphirane的合成和结构
Shohei Sase1, Naokazu Kano, Takayuki Kawashima
1Department of Chemistry, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan.
Journal of the American Chemical Society
|August 15, 2002
概括
研究人员用马丁配体合成了一种新型的胺. P-Se键是极性的,具有负电荷的原子,受溶剂性质的影响.
科学领域:
- 有机金属化学 有机金属化学
- 无机化学 无机化学
- 材料科学 材料科学 材料科学
背景情况:
- 有机化合物及其独特的结合特性在各种化学应用中至关重要.
- 含有和其他异原子的新型异环化合物的合成和表征为化学反应提供了洞察力.
- 马丁联体因其在稳定不寻常的协调几何形状和反应性物种方面的实用性而闻名.
研究的目的:
- 为了合成一种新型的1,2sigma5-selenaphosphirane,其中包括马丁联结体.
- 阐明合成的酸的固态和溶液结构.
- 研究电子属性,特别是P-Se键的极性及其对环境的依赖.
主要方法:
- 使用适当的前体和反应条件合成1,2sigma5-selenaphosphirane.
- 为了固态结构的确定,进行X射线晶体分析.
- 核磁共振 (NMR) 光谱 (例如,31P,77Se NMR) 用于溶液状态结构和电子分析.
主要成果:
- 成功合成了带有马丁联结体的基胺.
- 通过X射线结晶学确认固态中的分子结构.
- 一个极性P-Se键与一个负电荷的原子在溶液状态的表征.
- 证明P-Se键极化是溶剂依赖的,与溶剂受体数相关.
结论:
- 合成的1.2sigma5-selenaphosphirane代表了一类新的-异环.
- P-Se 键表现出显著的极性,其中原子作为核友性位点.
- 溶剂效应在调节溶液中的氨酸的电子性质方面发挥着至关重要的作用,突出显示了溶剂-溶液相互作用的重要性.
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