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)
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)