- Synthesis and Theoretical Investigation of Diphosphastannylenes
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The factors affecting the stabilization of diphosphastannylenes, such as substituent size, steric demand, and type of substituent (aryl, alkyl, silyl) were investigated via a comprehensive DFT and experimental investigation. The influence of various substituents (H, Me, tBu, Ph, TMS, Hyp = (Si(SiMe3)3)) on the pyramidalization of the phosphorus centers and cone angle determination of those substituents were carried out. Through these considerations, ligand systems capable of isolating a stable Sn(II) species were determined. Synthetic work led to the isolation of dimeric supermesityl(trimethylsily)phosphanides, 2,4,6-tris(t-butyl)phenyl trimethylsilyl lithium phosphanide, 2,4,6-tris(t-butyl)phenyl trimethylsilyl potassium phosphanide, and one hypersilylphosphanide [HypP(SiMe3)K·DME]. In addition to that, a novel monomeric diphosphastannylene [HypP(SiMe3)]2Sn was isolated as well as confirmed by experimental and calculated NMR data and single crystal X-ray analysis.
- Flock, Michaela,Mueller, Stefan K.,Schwarz, Elisabeth,Torvisco, Ana,Weinberger, Gernot
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p. 2950 - 2960
(2018/09/12)
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- Synthetic strategies to bicyclic tetraphosphanes using P1, P2 and P4 building blocks
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Different reactions of Mes? substituted phosphanes (Mes? = 2,4,6-tri-tert-butylphenyl) led to the formation of the bicyclic tetraphosphane Mes?P4Mes? (5) and its unknown Lewis acid adduct 5·GaCl3. In this context, the endo-exo isomer
- Bresien, Jonas,Faust, Kirill,Hering-Junghans, Christian,Rothe, Julia,Schulz, Axel,Villinger, Alexander
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supporting information
p. 1998 - 2007
(2016/02/09)
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- Reaction of lithium (2,4,6-tri-tert-butylphenyl)silylphosphides with haloforms
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The reaction of lithium (tert-butyldimethylsilyl)(2,4,6-tri-tert- butylphenyl)phosphide with chloroform afforded (Z)-2-(tert-butyldimethylsilyl)- 2-chloro-1-(2,4,6-tri-tert-butylphenyl)-1- phosphaethene. The NMR study revealed a secondary phosphine result
- Sasaki, Shigeru,Yoshifuji, Masaaki,Inamoto, Naoki
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experimental part
p. 15 - 23
(2012/03/08)
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- Photolysis of (2,4,6-Tri-t-butylphenyl)bis(trimethylsilyl)phosphine
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The photolysis of (2,4,6-tri-t-butylphenyl)bis(trimethylsilyl)phosphine in benzene gave products suggesting homolytic P-C bond cleavage followed by rearrangement and coupling.
- Yoshifuji, Masaaki,Shimura, Kazuho,Toyota, Kozo
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p. 1980 - 1983
(2007/10/02)
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