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Synthesis and structural characterization of (η5-Dp)Ru(PPh3)2H (Dp = C8H9−, 1,2-dihydropentalenyl)

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Abstract

(η5-Dp)Ru(PPh3)2H (Dp = C8H9−, 1,2-dihydropentalenyl) was synthesized in 90% yield by reaction of (η5-Dp)Ru(PPh3)2Cl with sodium formate. (η5-Dp)Ru(PPh3)2H was characterized by 1H and 31P NMR spectroscopy and IR spectroscopy. The Ru–H appears in the 1H NMR spectrum upfield at −11.6 ppm, indicative of a metal hydride. In the IR spectrum, the νRu–H was observed at 1920 cm−1. The solid-state structure of (η5-Dp)Ru(PPh3)2H (1) was determined by X-ray crystallography. Compound 1 has similar structural parameters to (η5-Cp)Ru(PPh3)2H and (η5-Ind)Ru(PPh3)2H.

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Acknowledgements

Support from the National Science Foundation (CHE-0226402) is acknowledged for funding for the X-ray diffractometer.

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  1. Department of Chemistry, University of Nevada, Reno, NV, 89557, USA

    Charles A. Mebi & Brian J. Frost

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  1. Charles A. Mebi
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Correspondence to Brian J. Frost.

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Mebi, C.A., Frost, B.J. Synthesis and structural characterization of (η5-Dp)Ru(PPh3)2H (Dp = C8H9−, 1,2-dihydropentalenyl). Transit Met Chem 44, 707–712 (2019). https://doi.org/10.1007/s11243-019-00337-z

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