SYNTHESIS AND CRYSTAL STRUCTURE OF THE LITHIUMPHOSPHAGUANIDINE Li(THF)NPhC{N(SiMe3)Ph}PC{N(SiMe3)Ph}NP
- 1 January 1996
- journal article
- research article
- Published by Taylor & Francis in Phosphorus, Sulfur, and Silicon and the Related Elements
- Vol. 108 (1-4) , 279-283
- https://doi.org/10.1080/10426509608029659
Abstract
The reaction of Li(THF)2P(SiMe3)2 with PhNCNPh yields the N,N'-silylated product Li(THF)NPhC{N(SiMe3)Ph}PC{N(SiMe3)Ph}NPh (1), the formation of which can be explained by insertion of one diphenylcarbodiimide molecule into each P—Si bond. 1 was characterised spectroscopically and by X-ray structure analysis. The latter shows the presence of a LiN2C2P six-membered ring with the N—SiMe3 groups having a cis arrangement.Keywords
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