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- Publisher
- Wiley
- Copyright
- "Copyright © 2004 Wiley Subscription Services, Inc., A Wiley Company"
- ISSN
- 1434-1948
- eISSN
- 1099-0682
- DOI
- 10.1002/ejic.200400072
- Publisher site
- See Article on Publisher Site
Abstract
Reaction of [ReOCl3(PPh3)2] with 2 equiv. of 1,3‐diisopropylimidazol‐2‐ylidene (iPr‐carbene) affords [ReOCl3(iPr‐carbene)2] (1). When an excess of free carbene is used, the dicationic species [ReOCl(iPr‐carbene)4][Cl]2 (2) is isolated. The cationic dioxorhenium complex [ReO2(iPr‐carbene)4]+ has been isolated as its I− (3) and ReO4− (4) salts by different reactions. Treatment of [ReO2I(PPh3)2] with an excess of 1,3‐diisopropylimidazol‐2‐ylidene yields compound 3 in quantitative yield. The cationic species is also isolated as an ReO4− salt from the reaction of [ReO2Me(PhCCPh)] with 1,3‐diisopropylimidazol‐2‐ylidene. The molecular structures of [ReOCl3(iPr‐carbene)2] (1) and [ReO2(iPr‐carbene)4][ReO4] (4) have been determined by single‐crystal X‐ray diffraction. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2004)
Journal
European Journal of Inorganic Chemistry – Wiley
Published: Aug 1, 2004
Keywords: ; ;