Complexation of bis(trimethylsilyl)acetylene by decamethylhafnocene to give the hafnacyclopropene Cp*2Hf (η2 -Me3Sic2SiMe3 ) : An unusually strong metal-alkyne interaction

Complexation of bis(trimethylsilyl)acetylene by decamethylhafnocene to give the hafnacyclopropene Cp*2Hf (η2 -Me3Sic2SiMe3 ) : An unusually strong metal-alkyne interaction
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双(三甲基硅基)乙炔与十甲基铪茂络合得到铪环丙烯 Cp*2Hf (η2 -Me3Sic2SiMe3 ):异常强的金属-炔相互作用

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发表时间:
2007
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通讯作者:
U. Rosenthal
U. Rosenthal
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作者:
T. Beweries;V. Burlakov;M. A. Bach;P. Arndt;W. Baumann;A. Spannenberg;U. Rosenthal

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描述了配合物Cp 2 Hf(PMe 3)(η2-Me 3SiC 2 SiMe 3)(3)和Cp* 2 Hf(η2-Me 3SiC 2 SiMe 3)(4),作为定义明确的铪炔配合物与简单完整炔的第一个例子;与钛和锆的类似化合物相比,4显示了炔与铪的异常强的相互作用。
The complexes Cp2Hf(PMe3)(η2-Me3SiC2SiMe3) (3) and Cp*2Hf(η2-Me3SiC2SiMe3) (4), as the first examples of well-defined hafnium alkyne complexes with a simple intact alkyne, are described; 4 displays an unusually strong interaction of the alkyne with hafnium, in comparison to analogous compounds of titanium and zirconium.