rac-6-Eth­oxy-3,3a,4,9b-tetra­hydro-1,3-diphenyl-1H-chromeno[4,3-c]isoxazole-3a-carbonitrile

Abstract

The title compound, C25H22N2O3, with three stereogenic centres, crystallizes in a centrosymmetric space group as a racemate. The pyran ring adopts a sofa conformation and the five-membered isoxazole ring exhibits an envelope conformation. The dihedral angle between the benzene ring and the mean plane through the near coplanar atoms of the pyran ring is 10.54 (9)°. In the crystal, no significant intermolecular interactions are observed

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