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Synlett 1996; 1996(6): 531-532
DOI: 10.1055/s-1996-5486
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On the Generation and Trapping of N-Unsubstituted Pyrazole o-Quinodimethanes

Augusto C. Tomé, José A. S. Cavaleiro, Richard C. Storr*
  • *School of Chemistry, The University of Liverpool, P.O. Box 147, Liverpool L69 3BX, England
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Publication Date:
31 December 2000 (online)

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N-Unsubstituted pyrazole o-quinodimethanes 9-11 were generated under mild conditions (refluxing toluene or chlorobenzene) and trapped with dienophiles to yield adducts 12-16 in good yields.

Pyrazole o-Quinodimethanes - Pyrazole-fused 3-sulfolenes