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实验探测器对高合共振贡献稳定单片状态的2,2-dialkoxy-1,3-diyls:区域选择性1,2-氧迁移

Manabu Abe¹, Masanori Hattori, Akinobu Takegami

¹Department of Applied Chemistry, Graduate School of Engineering, Osaka University (HANDAI), Suita 565-0871, Osaka, Japan. abe@chem.eng.osaka-u.ac.jp

Journal of the American Chemical Society

|June 15, 2006

概括

研究人员研究了单列2,2-dialkoxy-1,3-diyls.的氧气迁移. 基组优先移动到富含电子的碳,表明过度结合并稳定单体状态.

科学领域:

有机化学有机化学
物理化学物理化学

背景情况:

单基 2,2-dialkoxy-1,3-diyls 是一种新型中间体.
了解它们的电子结构对于阐明反应机制至关重要.

研究的目的:

在这些系统中研究1,2-氧迁移的区域选择性.
通过实验探测超联对单位状态稳定性的贡献.

主要方法:

合成非对称地替代的单片子2,2-dialkoxy-1,3-diarylcyclopentane-1,3-diyls.
对氧气迁移的区域选择性的分析.

主要成果:

基组选择性地迁移到含有电子捐赠的p-methoxyphenyl替代物的碳.
这种区域选择性提供了具有zwitterionic特性的高合共振结构的证据.

结论:

这项研究提供了第一个实验证据,证明过联能稳定这些方程中的单元状态.
这些发现提供了对单基2,2-dialkoxy-1,3-diyls.电子性质和反应性的见解.

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