(Benzylideneacetone)iron tricarbonyl
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| Identifiers | |
|---|---|
38333-35-6  |
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| Properties | |
| C13H10FeO4 | |
| Molar mass | 286.060 |
| Appearance | Red solid |
| Melting point | 88 to 89 °C (190 to 192 °F; 361 to 362 K) |
| slightly soluble | |
| Vapor pressure | {{{value}}} |
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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| Infobox references | |
The organometallic compound (benzylideneacetone)iron tricarbonyl is a reagent for transferring the Fe(CO)3 unit to other organic molecules.[1] This red-colored compound is commonly abbreviated (bda)Fe(CO)3. It is prepared by the reaction of Fe2(CO)9 with benzylideneacetone, typically in refluxing diethyl ether.[2] The compound is characterized by IR bands at 2065, 2005, and 1985 cm−1 (cyclohexane solution).
Related Fe(CO)3 transfer agents
A popular source of Fe(CO)3 is Fe2(CO)9. Alternatively, Fe(CO)3(cyclooctene)2 is highly reactive, the trade-off being that it is thermally sensitive. Imine derivatives of cinnamaldehyde, e.g. C6H5CH=CHC(H)=NC6H5, form conveniently reactive Fe(CO)3 adducts, which have been shown to be superior in some ways to (bda)Fe(CO)3.[3]
(bda)Fe(CO)3 reacts with Lewis bases to give adducts without displacement of the bda.[4]
References
- ↑ Knölker, H.-J. "(η4-Benzylideneacetone)tricarbonyliron" in Encyclopedia of Reagents for Organic Synthesis (Ed: L. Paquette) 2004, J. Wiley & Sons, New York. doi:10.1002/047084289.
- ↑ Alcock, N. W.; Richards, C. J.; Thomas, S. E. ”Preparation of Tricarbonyl(η4-vinylketene)iron(0) Complexes from Tricarbonyl(ε4-vinyl ketone)iron(0) Complexes and Their Subsequent Conversion to Tricarbonyl(ε4-vinylketenimine)iron(0) Complexes” Organometallics 1991, volume 10, pp 231 - 238.doi:10.1021/om00047a054.
- ↑ Knölker, H.-J.; Braier, A.; Bröcher, D. J.; Cämmerer, S. Fröhner, W.; Gonser, P.; Hermann, H.; Herzberg, D.; Reddy, K. R.; Rohde, G. “Recent applications of tricarbonyliron-diene complexes to organic synthesis” Pure and Applied Chemistry 2001, Volume 73, pp. 1075–1086. doi:10.1351/pac200173071075
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