Improved synthesis, solution and solid-state structure, and reactivity of [Ru2(µ-SePh)2(CO)6]
- 1 January 1991
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc., Dalton Trans.
- No. 3,p. 533-536
- https://doi.org/10.1039/dt9910000533
Abstract
The reaction of [Ru3(CO)12] with diphenyl diselenide (1 : 1 Ru : Se ratio) in refluxing tetrahydrofuran gives a mixture of [Ru2(µ-SePh)2(CO)6]1 and [{Ru(µ-SePh)2(CO)2}n]2 from which complex 1 can be obtained in 50% yield. Its solid-state structure has been determined by a single crystal X-ray diffraction study [Monoclinic, space group P21/n, a= 17.305(7), b= 16.798(5), c= 15.254(3)Å, β= 101.28(2)°, Z= 8] which revealed an anti configuration of the phenyl selenide bridges. Infrared and variable-temperature NMR studies indicate that only the anti isomer is present in solution. The reaction of complex 1 with triphenylphosphine gives a 2 : 1 mixture of anti- and syn-[Ru2(µ-SePh)2(CO)4(PPh3)2]3.Keywords
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