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In the title compound, C 17 H 19 NO 5 , the cyclo­hexene ring is in a half-chair conformation and the isoxazole ring in an envelope conformation with the N atom as the flap. The C atoms in the 4- and 6-positions are of the same absolute configuration, whereas the C atom in the 5-position is of the opposite configuration,  i.e.  (4 S *,5 R *,6 S *). The methyl fragment of the eth­oxy­carbonyl group at position 5 is disordered over two sets of sites in a 0.60:0.40 ratio. The crystal packing displays inter­molecular N—H⋯O and O—H⋯O hydrogen bonds.

rac-Ethyl 6-hydroxy-6-methyl-3-oxo-4-phenyl-1,3,4,5,6,7-hexahydrobenzo[c][1,2]oxazole-5-carboxylate