Abstract
Treatment of RuCl2(PPh3)3 with 6-dimethylaminopentafulvene in THF in the presence of water produced (η5-C5H4CHO) RuCl(PPh3)2, which was reduced by NaBH4 to give the Ru-H⋯HO dihydrogen bonded complex (η5-C5H4CH2OH) RuH(PPh3)2. The dihydrogen bonded complex (η5-C5H4CH2OH)RuH(PPh3)2 could also be synthesized by the reduction of complex (η5-C5H4CHO)RuH(PPh3)2, which was obtained by the reaction of RuHCl(PPh3)3 with 6-dimethylaminopentafulvene in the presence of water. The analogous dihydrogen bonded osmium complex (η5-C5H4CH2OH)OsH(PPh3)2 was similarly prepared. Single crystal structures and DFT calculations support the presence of intra-molecular H…H interaction, with separations of around 1.9 to 2.0 Å.
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Dedicated to Professor Qian Changtao on the occasion of his 80th birthday.
JIA GuoChen received his BSc degree from Wuhan University in 1983. He completed his PhD degree in 1989 from The Ohio State University with the supervision of Professors Devon Meek and Andrew Wojcicki. After carrying out postdoctoral work with Professor Robert H. Morris at University of Toronto and with Professor Richard J. Puddephatt at the University of Western Ontario, he joined the Hong Kong University of Science and Technology in 1992 as an assistant professor. He was promoted to an Associate Professor in 1998, and to a full professor in 2005. He is now a chair professor of chemistry at the Hong Kong University of Science and Technology. His research interest is in the areas of inorganic, organometallic chemistry and homogeneous catalysis.
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Bai, W., Tse, S.K.S., Lee, K.H. et al. Synthesis and characterization of MH⋯HOR dihydrogen bonded ruthenium and osmium complexes (η5-C5H4CH2OH)MH(PPh3)2 (M = Ru, Os). Sci. China Chem. 57, 1079–1089 (2014). https://doi.org/10.1007/s11426-014-5143-6
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DOI: https://doi.org/10.1007/s11426-014-5143-6