Reactions of unsaturated [HOs3(CO)8{µ3-Ph2PCH(R)P(Ph)C6H4}] (R = H, Me) with Bu3SnH are examined. [HOs3(CO)8{µ3-Ph2PCH(R)P(Ph)C6H4}] reacts with Bu3SnH at room temperature to afford [H2Os3(CO)8(SnBu3){µ3-Ph2PCH(R)P(Ph)C6H4}] (1) via oxidative addition of the Sn‒H bond to the parent cluster. Heating 1 in refluxing toluene leads to the formation of [H2Os3(CO)7(SnBu3){µ3-Ph2PCH(R)P(Ph)C6H4}] (2) through decarbonylation. Cluster 2 exists in two isomeric forms in solution which has been probed by VT NMR spectroscopy. The new Os-Sn bimetallic clusters have been characterized by a combination of analytical and spectroscopic data together with single-crystal X-ray diffraction analysis.

中文翻译：

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[HOs3(CO)8{µ3-Ph2PCH(R)P(Ph)C6H4}] (R = H, Me) 与 Bu3SnH 的反应：双金属 Os-Sn 簇的合成和结构

检查了不饱和 [HOs3(CO)8{μ3-Ph2PCH(R)P(Ph)C6H4}]（R = H，Me）与 Bu3SnH 的反应。[HOs3(CO)8{µ3-Ph2PCH(R)P(Ph)C6H4}] 在室温下与 Bu3SnH 反应得到 [H2Os3(CO)8(SnBu3){µ3-Ph2PCH(R)P(Ph)C6H4} ] (1) 通过将 Sn-H 键氧化加成到母簇上。在回流的甲苯中加热 1 导致通过脱羰形成 [H2Os3(CO)7(SnBu3){μ3-Ph2PCH(R)P(Ph)C6H4}] (2)。簇 2 以两种异构形式存在于溶液中，已通过 VT NMR 光谱进行探测。新的 Os-Sn 双金属簇的特征在于分析和光谱数据以及单晶 X 射线衍射分析的组合。