rac-5-Acetyl-6-hydroxy-3,6-dimethyl-4-phenyl-4,5,6,7-tetrahydro-2H-indazole

Abstract

The title compound, C17H20N2O2, is chiral but crystallizes in a centrosymmetric space group as a racemate, the relative configuration at the stereogenic centres being 2S*,3R*,4S*. The cyclohexane ring adopts a half-chair conformation while the pyrazole ring has an envelope conformation. The crystal packing displays intermolecular O—H...N and N—H...O hydrogen bonding.