(H/sub 2/RuOs/sub 3/(CO)/sub 13/), (H/sub 4/RuOs/sub 3/(CO)/sub 12/), (Et/sub 4/N)(H/sub 3/RuOs/sub 3/(CO)/sub 12/) were synthesized and characterized spectroscopically, and their reactivities with the basic -OH groups on the surface of ..gamma..-Al/sub 2/O/sub 3/ were investigated, the surface species being characterized by infrared and UV-vis spectroscopy and extraction of anions. Surface-bound anions
(H/sub 2/RuOs/sub 3/(CO)/sub 13/), (H/sub 4/RuOs/sub 3/(CO)/sub 12/), (Et/sub 4/N)(H /sub 3/RuOs/sub 3/(CO)/sub 12/) 的合成和光谱表征,以及它们与..gamma..-Al/sub 2/O/sub 表面的碱性-OH 基团的反应性3/ 进行了研究,表面物质通过红外和紫外-可见光谱和阴离子提取表征。通过吸附盐形成表面结合的阴离子。或者,表面结合离子对 (HRuOs/sub 3/(CO)/sub 13/)/sup -//Al/ 由 (H/sub 2/RuOs/sub 3/(CO)/sub 13/ ) 通过表面去质子化;阴离子通过与表面
路易斯酸位点(Al/sup 3 +/ 离子)相互作用的桥连羰基键合到表面。该表面阴离子在 50-70/sup 0/C 下很容易转化为 (H/sub 3/RuOs/sub