1428256-93-2Relevant academic research and scientific papers
A base-stabilized 2-silaallene
Yang, Yi-Fan,Foo, Cechao,Xi, Hong-Wei,Li, Yongxin,Lim, Kok Hwa,So, Cheuk-Wai
, p. 2267 - 2270 (2013/05/21)
The reaction of [CH2(PPh2S)2] (1) with 2 equiv of MeLi in Et2O followed by addition of 0.5 equiv of SiCl 4 afforded the base-stabilized 2-silaallene [(PPh2S) 2CSiC(PPh2S)2] (2). It has been characterized by X-ray crystallography, NMR spectroscopy, and theoretical studies. The results show that compound 2 comprises a C-Si2+-C ylidic skeleton with a negative charge at the C methanediide atoms and two positive charges at the Si atom. The reaction of 2 with excess PriNCNPri in refluxing toluene gave the thiophosphinoyl-stabilized silene [(PPh2S)2C - - Si+(NPri)2CC(PPh 2S)2] (3).
