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|Title:||4-[(Dimethylamino)methylene]-2-ferrocenyl-5-oxo-4,5-dihydrofuran-3- carboxaldehyde: Synthesis, spectral characterization and single crystal X-ray analysis|
|Authors:||Ratković, Zoran |
Novakovic, Sladjana B.
Bogdanovic, Goran A.
|Abstract:||The title compound 4-[(dimethylamino)methylene]-2-ferrocenyl-5-oxo-4,5- dihydrofuran-3-carboxaldehyde was synthesized by reacting 3-ferrocenoylpropionic acid with Vilsmeier reagent. This result is rather unexpected, since 3-aroylpropanoic acids under these conditions usually give the corresponding 2-aryl-4-chloro-3-formylfurans. 3-Ferrocenoylpropanoic acid is not the only 3-aroylpropanoic acid that exhibit an unusual behavior under the same conditions: 3-thenoylpropanoic acid gave 4-[(dimethylamino)-methylene]-2-(2- thienyl)-5-oxo-4,5-dihydrofuran-3-carboxaldehyde and 4-[(dimethylamino) methylene]-2-(2-thienyl-5-formyl)-5-oxo-4,5-dihydrofuran-3-carboxaldehyde, whereas 3-(4-methoxybenzoyl)propanoic acid yielded 4-[(dimethylamino)methylene]- 2-(4-methoxyphenyl)-5-oxo-4,5-dihydrofuran-3-carboxaldehyde and 2-(4-methoxyphenyl)-5-chloro-furan-3,4-dicarboxaldehyde. Single crystal X-ray analysis was successfully performed for 4-[(dimethylamino)methylene]-2- ferrocenyl-5-oxo-4,5-dihydrofuran-3-carboxaldehyde and 4-[(dimethylamino) methylene]-2-(2-thienyl)-5-oxo-4,5-dihydrofuran-3-carboxaldehyde and their structures were compared. © 2014 Elsevier Ltd. All rights reserved.|
|Appears in Collections:||Faculty of Science, Kragujevac|
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