[CH:1]([Si:4]([CH:15](C)C)([CH:12](C)C)[C:5]1[CH2:10][CH:9]=[C:8]([CH3:11])[CH2:7][CH:6]=1)(C)C.C([O-])(O)=O.[Na+]>O.O.O.[Ru](Cl)(Cl)Cl.COCCO>[CH3:1][Si:4]([CH3:12])([CH3:15])[C:5]1[CH:10]=[CH:9][C:8]([CH3:11])=[CH:7][CH:6]=1In a 150-ml Schlenk flask, 1.18 g (4.5 mmol) of ruthenium chloride trihydrate, 5.6 g (22.5 mmol) of triisopropyl(4-methyl-1,4-cyclohexadienyl)silane, 0.38 g (4.5 mmol) of NaHCO3, and 11 ml of 2-methoxyethanol were added, and the mixture was allowed to react for 9 hours at 130° C. Subsequently, the mixture was left to cool to room temperature, and precipitated crystals were filtered. Thus, 1.4 g of objective [RuCl2 (4-(triisopropylsilyl)toluene)]2 was obtained at a yield of 73.0%.
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