Crystal structure of 1′-(2-methylpropyl)-2,3-dihydrospiro[1-benzothiopyran-4,4′-imidazolidine]-2′,5′-dione

Abstract

In the title compound, C15H18N2O2S, the 2,3-dihydro-1-benzothiopyran ring adopts a sofa conformation and the hydantoin ring is twisted with respect to the benzene ring at 78.73 (17)°. In the crystal, pairs of N—H...O hydrogen bonds link the molecules into inversion dimers.

Keywords

• crystal structure
• hydantoin compounds
• hydrogen bonding
• spiro[1-benzothiopyran-4,4′-imidazolidine]