Abstract
The title compound, C19H19N5O3S2, crystallizes in the triclinic space group P-1, with two independent molecules (A and B) in the asymmetric unit (Z′ = 2). The imidazo[2,1-b][1,3]thiazole ring systems in molecules A and B are essentially planar (r.m.s deviations = 0.004 and 0.005 Å, respectively), with dihedral angles of 1.1 (3) and 0.8 (3)°, respectively, between the thiazole and imidazole rings. The mean planes of these ring systems make dihedral angles of 16.0 (2) and 61.9 (2)° for molecule A, and 11.8 (2) and 74.3 (2)° for molecule B, with the 1,3-thiazolidine and methoxy-substituted benzene rings, respectively. In the crystal, molecules are linked via N—H...O hydrogen bonds, forming –A–B–A–B– chains along [100]. The chains are linked by C—H...O hydrogen bonds, forming layers parallel to the ab plane.
Highlights
The title compound, C19H19N5O3S2, crystallizes in the triclinic space group P1, with two independent molecules (A and B) in the asymmetric unit (Z0 = 2)
The chains are linked by C—HÁ Á ÁO hydrogen bonds, forming layers parallel to the ab plane
Continuing our work on the synthesis and crystal structure analyses of imidazo[2,1b]thiazole derivatives (Akkurt et al, 2007, 2008, 2011, 2012), we report on the synthesis and crystal structure of the title compound
Summary
Continuing our work on the synthesis and crystal structure analyses of imidazo[2,1b]thiazole derivatives (Akkurt et al, 2007, 2008, 2011, 2012), we report on the synthesis and crystal structure of the title compound. The asymmetric unit (Fig. 1) includes two crystallographically independent molecules (A and B). In molecules A and B, the thiazole and imidazole rings of the imidazo[2,1b][1,3]thiazole group make dihedral angles of 1.1 (3) and 0.8 (3), respectively. The mean planes of the imidazo[2,1-b][1,3]thiazole ring systems make dihedral angles of 16.0 (2) and 61.9 (2) for molecule A, and 11.8 (2) and 74.3 (2) for molecule B, with the 1,3-
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