4-tert-Butyl-3′,4′-bis(4-methylphenyl)-3,4-dihydro-1H,4′H-spiro[naphthalene-2,5′-[1,2]oxazol]-1-one

4-tert-Butyl-3′,4′-bis(4-methylphenyl)-3,4-dihydro-1H,4′H-spiro[naphthalene-2,5′-[1,2]oxazol]-1-one

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In the title compound, C30H31NO2, the cyclohexanone ring in the naphthalene fused-ring system adopts a half-chair virginia mill works tobacco road acacia conformation, presumably due to conjugation of the benzene ring.The naphthalene ring system makes dihedral angles of 86.63 (7), 65.15 (8) and 63.

18 (8)° with respect to the two methylbenzene planes and the 1,2-oxazole ring system.Intermolecular C—H.O and C—H.N hydrogen bonding and C—H.

π interactions stabilize the crystal structure.The H atoms of the two methyl groups of cinch hobble strap the methylphenyl groups are disordered over two positions with equal occupancies.