1995•Collection of Czechoslovak Chemical CommunicationsRequires access
Synthesis of Pyrazole Analogs from Argentatin B
Roberto Martı́nez, Elda Limón, M. del R. Arellano, Mariano Martínez‐Vázquez, Marco Brito
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Abstract
The pyrazole derivatives 3'-(2-R-phenyl)[3,2-c]pyrazole-16,24-epoxy-25-hydroxy-9 ,19-cyclostane Va - Vf have been prepared in a three step reaction from argentatin B. The structure of all the compounds synthesized was corroborated by 1H and 13C NMR, IR and mass spectroscopy.