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Synthesis of 3,4,5-Trisubstituted 1H-Pyrazoles Based on Diazoketones with a Diterpene Fragment

  • G. M. Gindullina,
  • T. R. Nugumanov,
  • I. M. Sakhautdinov

摘要

A new regioselective approach to the synthesis of 3,4,5-pyrazoles containing a diterpene moiety via 1,3-dipolar cycloaddition of diazoketones obtained from N-maleopimarimide-substituted amino acids to an allenoate was proposed.