氨酸氧化物联体的氧化反应
María Alonso1, M Angeles Alvarez, M Esther García
1Departamento de Química Orgánica e Inorgánica/IUQOEM, Universidad de Oviedo, 33071 Oviedo, Spain.
Journal of the American Chemical Society
|October 27, 2005
概括
阳离子胺氧化物复合物表现出与氧化剂的多位反应性,形成新型二元体,酸复合物和P,O结合的胺复合物. 还合成了新的二氧化和铁氧化复合物与独特的有机联体.
科学领域:
- 有机金属化学 有机金属化学
- 无机化学 无机化学 有机化学
- 协调化学 协调化学
背景情况:
- 阳离子胺氧化物复合物是有机金属化学中的多功能合成物.
- 了解这些复合物与各种电友的反应性对于开发新的合成方法至关重要.
- 和中心的存在为潜在反应提供了多个地点.
研究的目的:
- 为了研究 anionic phosphinidene氧化物复合物[MoCp(CO) 2{P(O) R*}- (1) 与不同氧化剂的反应性.
- 为了探索Mo和P原子或Mo=P键的多位活动.
- 合成和描述新的有机联体和复合体.
主要方法:
- 素氧化物复合物 (1) 与各种氧化剂的反应,包括[FeCp2]BF4,,p-基,Me2CO2和S8.
- 使用光谱技术和X射线晶体学 (隐含) 进行产生的产品的表征.
- 核性质的研究和氧酸离子的甲基化.
主要成果:
- 与[FeCp2]BF4的反应产生了一个二元体[Mo2Cp2(CO) 4{P(O) R*}2].
- 与的反应产生了一种酸复合物[MoBrCp{P(OH) ((CH2CMe2C6H2tBu2}(CO) 2]通过前所未有的C-H键添加.
- 与p-金的反应产生了一个P,O结合的酸复合物[MoCp{kappa2-OP(OC6H4OH) R*}(CO) 2].
- 将O或S添加到Mo=P键中,产生了新的二氧化或二氧化复合物[MoCp(CO) 2{kappa2-EP(O*R}]- (E = O,S).
- 硫酸离子被甲基化以产生异构体[MoCp{kappa2-(MeS) P(O) R*}(CO) 2和[MoCp{kappa2-SP(OMe) R*}(CO) 2].
结论:
- 素氧化物复合物 (1) 对一系列氧化剂表现出显著的多位点反应性.
- 观察到前所未有的C-H键激活和P=O部分的添加.
- 成功合成了新的有机联体和复合物,包括二氧化和二氧化衍生物.
- 这项研究扩大了在有机金属化学中胺氧化物复合物的合成效用.
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