Water-medium clean organic reactions including isomerization and hydrogenation were carried out over a Ru(II) mesoporous organometallic catalyst (Ru-MOC) synthesized based on surfactant-directed coassembly of a bridged Ru(II) organometallicsilane and tetraethoxysilane. Owing to the large surface area, the ordered mesoporous channels, and the highly dispersed Ru(II) active sites, the activity and selectivity of the Ru-MOC catalyst are much higherthan that of the immobilized Ru(II) catalyst obtained through regular grafting technology. The Ru-MOC catalyst exhibited similar activity and selectivity to the corresponding homogeneous Ru(II) organometallic catalysts. However, it could be easily separated and recycled, thus will reduce the cost significantly and even avoid the environmental pollution caused by heavy metallic ions in industrial application. The correlation of catalytic performance to structural characteristicswas discussed based on detailed characterizations.
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Li et al. (2008) studied this question.
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