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  • Title: A novel route to fully substituted 1H-pyrazoles.
    Author: Suen YF, Hope H, Nantz MH, Haddadin MJ, Kurth MJ.
    Journal: J Org Chem; 2005 Oct 14; 70(21):8468-71. PubMed ID: 16209593.
    Abstract:
    A novel one-step synthesis route to fully substituted pyrazol-4-ols is reported. This simple yet nonobvious method for the construction of pyrazol-4-ols by the condensation-fragmentation-cyclization-extrusion reactions of thietanones with 1,2,4,5-tetrazines is reported. All of the elements of the thietanone except its sulfur are incorporated in these novel products.
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