Synthesis and properties of 1,2,3-triazoles that contain a ferrocenyl ring
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Ferrocenesulfonyl azide reacts with a number of aroylmethylenetriphenylphosphinomethylenes in dry methylene chloride to give 1,4,5-trisubstituted 1,2,3-triazoles (61–77% yields), which are readily converted to 4,5-disubstituted 1,2,3-triazoles and ethyl ferrocenesulfonate when they are refluxed in ethanol. The known tri-phenylphosphazo ferrocenyl sulfone and ethyl diazoacetate are formed in the case of the reaction of ferrocenesulfonyl azide with carbethoxymethylenetriphenylphosphinomethylene. The structures of the synthesized compounds were proved by the results of elementary analysis and IR, UV, and mass spectroscopy.
KeywordsSpectroscopy Methylene Chloride Sulfone Mass Spectroscopy
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