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Synthesis 1999; 1999(1): 157-161
DOI: 10.1055/s-1999-3683
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Reaction of Hydrazines with N-Acetoacetyl Derivatives of (4S)-4-Benzyloxazolidin-2-one and (2R)-Bornane-10,2-sultam in Very Acidic Media to Give Pyrazoles Retaining the Chiral Moiety at C-3(5)

Marcial Moreno-Mañas* , Rosa María Sebastián, Adelina Vallribera, Francesca Carini
  • *Department of Chemistry, Universitat Autònoma de Barcelona, Cerdanyola, 08193-Barcelona, Spain; Fax +34(93)5 81 12 65; E-mail: iqorb@cc.uab.es
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Publication Date:
31 December 1999 (online)

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Reaction of hydrazines with acetoacetamides affords pyrazoles retaining the amine moiety. Evans oxazolidinone and Oppolzer sultam have been incorporated into pyrazoles.

acetoacetamides - hydrazines - pyrazoles - oxazolidinones - sultams

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