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- Publisher
- Springer Journals
- Copyright
- Copyright © 2007 by Springer
- Subject
- Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
- ISSN
- 0922-6168
- eISSN
- 1568-5675
- DOI
- 10.1163/156856707779160807
- Publisher site
- See Article on Publisher Site
Abstract
Transient FT-IR spectra of fac-Re(dmb)(CO)3(Et) after laser excitation (355 nm) were investigated in THF under Ar and CO2 atmospheres. The CO stretching bands of Re(dmb⊙)(CO)3(THF) grow (2008 and 1897 cm−1) and those of Re(dmb)(CO)3(Et) bleach (1987 and 1875 cm−1) at times <1 μs, consistent with clean cleavage of the Re-Et bond. Under a CO2 atmosphere, the long-lived radical (τ>100 ms) converts slowly to the formato complex Re(dmb)(CO)3(OC(O)H) (2020, 1916, 1873 and 1630 cm−1). When the solvent is slightly wet, the bicarbonato complex, Re(dmb)(CO)3(OC(O)OH), is also observed after photolysis under CO2.
Journal
Research on Chemical Intermediates – Springer Journals
Published: Apr 25, 2009