Donor-acceptor-stabilized silicon analogue of an acid anhydride |
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Authors: | Ghadwal Rajendra S Azhakar Ramachandran Roesky Herbert W Pröpper Kevin Dittrich Birger Klein Susanne Frenking Gernot |
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Institution: | Institut für Anorganische Chemie, Georg-August-Universit?t G?ttingen, Tammannstrasse 4, 37077 G?ttingen, Germany. rghadwal@uni-goettingen.de |
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Abstract: | A stable silicon analogue of an acid anhydride {PhC(Bu(t)N)(2)}Si{═O·B(C(6)F(5))(3)}O-Si(H){═O·B(C(6)F(5))(3)}{(NBu(t))(HNBu(t))CPh} (4) with a O═Si-O-Si═O core has been prepared by treating monochlorosilylene PhC(Bu(t)N)(2)SiCl (1) with H(2)O·B(C(6)F(5))(3) in the presence of NHC (NHC = 1,3-bis(2,6-diisopropylphenyl)imidazol-2-ylidene). Compound 4 has been characterized by elemental analysis and multinuclear NMR spectroscopic investigations. The molecular structure of 4 has been established by single-crystal X-ray diffraction studies, and DFT calculations support the experimental results. |
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