4-[(2,5-Dimethyl-1,3-thia­zol-4-yl)meth­yl]-4-hydr­oxy-2-methyl­isoquinoline-1,3(2H,4H)-dione

In the title isoquinoline­dione derivative, C16H16N2O3S, the piperidine ring in the tetra­hydro­isoquinoline ring system adopts a distorted envelope conformation. The thia­zole ring is essentially planar [maximum deviation = 0.004 (1) A] and is inclined at a dihedral angle of 31.08 (3)° with respect to the mean plane through the tetra­hydro­isoquinoline ring system. In the crystal structure, inter­molecular O—H⋯O and C—H⋯O inter­actions link adjacent mol­ecules into a three-dimensional extended network. The crystal structure is further stabilized by weak C—H⋯π inter­actions.