Mathur, Pradeep ; Bhunia, Anjan K. ; Mobin, Shaikh M. ; Singh, Vinay K. ; Srinivasu, Chimalakonda (2004) Photochemical reactions of Fe(CO)5 with monometal alkynyls and free alkynes: Synthesis and characterization of [(η5-C5Me5)Fe2Mo(CO)7{μ3-η1:η4:η2- C(H)C(Ph)C(Ph)C}] and diferrocenylquinones Organometallics, 23 (15). pp. 3694-3700. ISSN 0276-7333
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Official URL: http://pubs.acs.org/doi/abs/10.1021/om049739y
Related URL: http://dx.doi.org/10.1021/om049739y
Abstract
Photolysis of a benzene solution containing Fe(CO)5 and [(η5-C5R5)Mo(CO)3(C≡CPh)] yielded mixed-metal clusters [(η5-C5R5)Fe2Mo(CO)8(μ3-η1:η2:η2-CCPh)] (R = H, 1; Me, 2) and [(η5-C5H5)Fe3Mo(CO)11(μ4-η1:η1:η2:η1-CCPh)] (3). When a mixture of [(η5-C5Me5)Mo(CO)3(C≡CPh)], Fe(CO)5, and phenylacetylene was photolyzed, coupling of the acetylide and acetylene was observed and the mixed-metal cluster [(η5-C5Me5)Fe2Mo(CO)7(μ3-η1:η4:η2-C(H)C(Ph)C(Ph)C)] (4) was obtained. Interestingly, use of a bulky substituent on the free acetylene in the reaction mixture did not produce analogues of 4. Reaction of Fe(CO)5 with ferrocenylacetylene produced three different compounds, tetracarbonyl(2-ferrocenylmaleoyl)iron (5), 2,5-diferrocenylquinone (6), and 2,6-diferrocenylquinone (7). All new compounds were characterized by IR and 1H and 13C NMR spectroscopy. Structures of 2-7 were established crystallographically.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Chemical Society. |
| ID Code: | 24873 |
| Deposited On: | 01 Dec 2010 12:37 |
| Last Modified: | 01 Dec 2010 12:37 |
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