Synthesis and characterization of MHa⟨-HOR dihydrogen bonded ruthenium and osmium complexes (η5-C5H4CH2OH)MH(PPh3)2 (M = Ru, Os)

被引：5
|
作者：
Bai Wei [1 ]
Tse, Sunny Kai San [1 ]
Lee, Ka Ho [1 ]
Sung, Herman Ho-Yung [1 ]
Williams, Ian Duncan [1 ]
Lin ZhenYang [1 ]
Jia GuoChen [1 ]
机构：
[1] Hong Kong Univ Sci & Technol, Inst Adv Study, Dept Chem, Kowloon, Hong Kong, Peoples R China
来源：
SCIENCE CHINA-CHEMISTRY | 2014年 / 57卷 / 08期
关键词：
ruthenium; osmium; hydride; dihydrogen bonding; H/D exchange; TRANSITION-METAL HYDRIDE; X-RAY-DIFFRACTION; DOT H-OR; PROTON-TRANSFER; HYDROGEN-BOND; FORMIC-ACID; ION-PAIRS; IR; NMR; CRYSTAL;
D O I：
10.1007/s11426-014-5143-6
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Treatment of RuCl2(PPh3)(3) with 6-dimethylaminopentafulvene in THF in the presence of water produced (eta(5)-C5H4CHO) RuCl(PPh3)(2), which was reduced by NaBH4 to give the Ru-Ha <-HO dihydrogen bonded complex (eta(5)-C5H4CH2OH) RuH(PPh3)(2). The dihydrogen bonded complex (eta(5)-C5H4CH2OH)RuH(PPh3)(2) could also be synthesized by the reduction of complex (eta(5)-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 (eta(5)-C5H4CH2OH)OsH(PPh3)(2) was similarly prepared. Single crystal structures and DFT calculations support the presence of intra-molecular HaEuro broken vertical bar H interaction, with separations of around 1.9 to 2.0 angstrom.
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页码：1079 / 1089
页数：11
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