Synthetic Communications · 2001 · 12 citations · 8 references
Natural SciencesChemistryOrganic ChemistryHeterocycle SynthesisOrganic Synthesis
Abstract Reactions of 1-trifluoromethyl-1,2-diarylvinyl sulfones 3 with aryllithium afforded aryl substituted adduct 4. Bromination of 4 with NBS, followed by debromofluorination with Mg, provided 2,3-diaryl-1,1-difluoro-1,3-butadienes (6) in good yields. ACKNOWLEDGMENT This work was supported by Korea Research Foundation Grant (KRF-1999-015-DP0218).
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