Acta Cryst. (2013). E69, o750-o751 [ doi:10.1107/S1600536813009276 ]
Abstract: The molecular conformation of the title compound, C41H29ClN4O3S, is stabilized by intramolecular C-HO and C-HCl hydrogen bonds. The thiazole ring adopts an envelope conformation with the N atom as the flap, while the pyrrolidine ring has a twisted conformation on the N-C bond involving the spiro C atom. The lactam ring makes dihedral angles of 39.74 (15) and 16.21 (16)° with the mean planes of the thiazole and pyrrolidine rings, respectively. The thiazole ring mean plane makes dihedral angles of 23.79 (13) and 70.88 (13) ° with the pyrrolidine and cyclopentane rings, respectively, while the pyrrolidine ring makes a dihedral angle of 85.63 (13)° with the cyclopentane ring. The O atom attached to the lactam ring deviates from its mean plane by 0.040 (2) Å, while the O atom attached to the cyclopentane ring deviates from its mean plane by 0.132 (2) Å. In the crystal, molecules are linked by C-HO hydrogen bonds, forming chains along , and C-H and - interactions [centroid-centroid distance = 3.6928 (17) Å].
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