New tri- and tetra-substituted pyrroles via quinazolinium N1-ylides

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2011

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ARKIVOC - Online Journal of Organic Chemistry

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New tri-and tetra-substituted N-arylpyrroles were synthesized by one-pot reaction of 3,7-disubstituted quinazolinonium bromides with substituted alkynes having at least one electron-withdrawing substituent in 1,2-epoxybutane acting both as solvent and hydrogen bromide scavenger. Structural characterization of the new compounds was based on IR and NMR spectroscopy as well as on single crystal X-ray analysis.
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