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Articles

The synthesis and characterization of some group VII bromo-substituted furyl complexes

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Pages 973-977 | Received 27 May 2016, Accepted 31 Dec 2016, Published online: 06 Mar 2017
 

ABSTRACT

Furan-based chemistry offers an alternative to thiophene and pyrrole semiconductive materials and has been largely unexplored despite furan's availability from biomass feedstocks. Halogenated furoyl complexes (e.g., 5-bromo) have the potential to be polymerized via coupling reactions. Incorporation of a redox-active transition metal (Mn, Re) allows for “tuning” the electronic properties of the material by changing the metal's oxidation state. The furoyl complexes [Mn(CO)35-1,2-C5H3(CO-(5-BrC4H2O))2}] (4a) and [Re(CO)35-1,2-C5H3(CO-(5-BrC4H2O))2}] (4b) have been synthesized in relatively high yields and characterized by NMR and IR spectroscopy and Direct Analysis in Real Time MS. Both complexes were synthesized from a convenient route beginning with 5-bromo-2-furoyl chloride, with their results reported herein.

Acknowledgments

The authors would like to thank Dr. Darrin Smith in the Department of Chemistry at Eastern Kentucky University for his support on the DART-MS analysis.

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