Reactions of [HOs 3 (CO) 8 {µ 3 -Ph 2 PCH(R)P(Ph)C 6 H 4 }] (R = H, Me) with Bu 3 SnH: synthesis and structure of bimetallic Os-Sn clusters

作者: Md Tuhinur R Joy , Md Miaz Uddin , Nikhil C Bhoumik , Shishir Ghosh , Shariff E Kabir

DOI: 10.1007/S11243-020-00431-7

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

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