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(E)-3-(2-{2-[1-(3-Hy-droxy-phen-yl)ethyl-idene]hydrazin-yl}-1,3-thia-zol-4-yl)-2H-chromen-2-one.

ABSTRACT: In the title compound, C(20)H(15)N(3)O(3)S, the thia-zole ring is approximately planar, with a maximum deviation of 0.003?(1)?Å, and makes dihedral angles of 7.44?(6) and 1.88?(6)° with the hy-droxy-substituted phenyl ring and the pyran ring, respectively. The hydroxyl group is disordered over two sets of sites, with an occupancy ratio of 0.567?(3):0.433?(3). In the crystal, the major disorder component mol-ecules are connected via bifurcated (three-centre) O-H?O and C-H?O hydrogen bonds, generating R(1) (2)(6) motifs and resulting in supra-molecular chains along the a axis. In the minor occupancy component, however, mol-ecules are connected via C-H?O hydrogen bonds, forming supra-molecular chains along the b axis. Furthermore, the crystal structure is stabilized by ?-? inter-actions between the thia-zole rings [centroid-centroid distance = 3.5476?(7)?Å].

SUBMITTER: Arshad A

PROVIDER: S-EPMC3089171 | biostudies-literature | 2011 May

REPOSITORIES: biostudies-literature

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(E)-3-(2-{2-[1-(3-Hy-droxy-phen-yl)ethyl-idene]hydrazin-yl}-1,3-thia-zol-4-yl)-2H-chromen-2-one.

Arshad Afsheen A Osman Hasnah H Lam Chan Kit CK Hemamalini Madhukar M Fun Hoong-Kun HK

Acta crystallographica. Section E, Structure reports online 20110407 Pt 5

In the title compound, C(20)H(15)N(3)O(3)S, the thia-zole ring is approximately planar, with a maximum deviation of 0.003 (1) Å, and makes dihedral angles of 7.44 (6) and 1.88 (6)° with the hy-droxy-substituted phenyl ring and the pyran ring, respectively. The hydroxyl group is disordered over two sets of sites, with an occupancy ratio of 0.567 (3):0.433 (3). In the crystal, the major disorder component mol-ecules are connected via bifurcated (three-centre) O-H⋯O and C-H⋯O hydrogen bonds, genera ...[more]

PMID: 21754396

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