M. Tretiakov, H. Roesky
2016
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Abstract
The reaction of bis(2,6-diisopropylphenyl)imidazol-2-ylidene L 1 as well as bis(2,4,6-trimethylphenyl)imidazol-2-ylidene L 2 with trichlorosilane (2:1) leads to first stable at room temperature base-stabilized dichlorosilylene L 1,2 SiCl 2 . The reaction proceeds at room temperature for 12 h. The latter is primed for further substitution and reduction reactions. The ligand L 1 is stable in air for at least 3 h, in water for several seconds, in HPLC toluene for a long time, while L 2 is sensitive to air and moisture and decomposes quickly.