Acta Cryst. (2010). E66, o734 [ doi:10.1107/S1600536810006884 ]
Abstract: In the title compound, C30H36N2O2S, the dihedral angle between the two aromatic rings of the biphenyl residue is 31.2 (1)°. The two methylene C atoms subtend an angle of 99.9 (1)° at the S atom. In the crystal, molecules form inversion dimers linked by pairs of N-HO hydrogen bonds. The hydroxyl group is shielded by the tert-butyl residues and is therefore not involved in any hydrogen bonding.
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