New Group 14 Element Substituted Phosphaalkenes

New Group 14 Element Substituted Phosphaalkenes
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DOI:
10.1002/zaac.201800202
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发表时间:
2018-10-17
影响因子:
1.4
通讯作者:
von Haenisch, Carsten
von Haenisch, Carsten
中科院分区:
化学4区
文献类型:
--
作者:
Balmer, Markus;von Haenisch, Carsten

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提出了一种用末端NHC稳定取代基取代14族化合物的新方法。在这种情况下,结果表明,根据与SIMesPK反应的14族元素二氯化物的链长,可以观察到单取代或双取代。从Me2SiCl2或tBu(2)SnCl(2)开始,发生了一次取代。像(SiMe2Cl)(2)或O(SiMe2SiMe2Cl)(2)这样的更长的14族二卤化物链导致硅桥联的二膦基化合物。
A new way is presented to prepare group 14 compounds substituted with a terminal NHC stabilized phosphenidenyl substituent. On this occasion, it is shown that depending on the chain length of the group 14 element dichlorides in reaction with SIMesPK a mono- or disubstitution can be observed. Starting from Me2SiCl2 or tBu(2)SnCl(2) a single substitution occurred. Longer chains of group 14 dihalides like (SiMe2Cl)(2) or O(SiMe2SiMe2Cl)(2) lead to silicon bridged bisphosphinidenyl compounds.