13-Benzyl-4,11-dihy­droxy-1,8-diphen­yl-2,9-di­thia-13-aza­dispiro­[4.1.4.3]tetra­decan-6-one

In the title compound, C30H31NO3S2, the piperidine ring adopts a distorted chair conformation. The thio­phene rings have twisted conformations about the C—C bonds. The mean plane of the piperidine ring makes a near orthogonal conformation with the toluene ring. Two of the phenyl rings in the structure are positionally disordered over two sets of sites with occupancies of 0.56 (2)/0.44 (2) and 0.672 (16)/0.328 (16). A region of disordered electron density was corrected for using the SQUEEZE [Spek (2015). Acta Cryst. C71, 9–18] routine in PLATON. The given chemical formula and other crystal data do not take into account the unknown solvent mol­ecule. In the crystal, O—H⋯O hydrogen bonds are observed along with intra­molecular S⋯H, O⋯H, C⋯H and H⋯H contacts.