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Crystal structure of (2E)-1-(4-hy-droxy-1-methyl-2-oxo-1,2-di-hydro-quinolin-3-yl)-3-(4-hy-droxy-3-meth-oxy-phen-yl)prop-2-en-1-one.

ABSTRACT: In the title compound, C20H17NO5, the dihedral angle between the mean plane of the di-hydro-quinoline ring system (r.m.s. deviation = 0.003 Å) and the benzene ring is 1.83 (11)°. The almost planar conformation is a consequence of an intra-molecular O-H⋯O hydrogen bond and the E configuration about the central C=C bond. In the crystal structure, O-H⋯O hydrogen bonds generate chains of mol-ecules along the [10-1] direction. These chains are linked via π-π inter-actions [inter-centroid distances are in the range 3.6410 (16)-3.8663 (17) Å].

SUBMITTER: Mangwala Kimpende P 

PROVIDER: S-EPMC4438805 | biostudies-literature | 2015 Apr

REPOSITORIES: biostudies-literature

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Crystal structure of (2E)-1-(4-hy-droxy-1-methyl-2-oxo-1,2-di-hydro-quinolin-3-yl)-3-(4-hy-droxy-3-meth-oxy-phen-yl)prop-2-en-1-one.

Mangwala Kimpende Peter P   Nguyen Ngoc Thanh NT   Nguyen Minh Thao MT   Vu Quoc Trung QT   Van Meervelt Luc L  

Acta crystallographica. Section E, Crystallographic communications 20150328 Pt 4

In the title compound, C20H17NO5, the dihedral angle between the mean plane of the di-hydro-quinoline ring system (r.m.s. deviation = 0.003 Å) and the benzene ring is 1.83 (11)°. The almost planar conformation is a consequence of an intra-molecular O-H⋯O hydrogen bond and the E configuration about the central C=C bond. In the crystal structure, O-H⋯O hydrogen bonds generate chains of mol-ecules along the [10-1] direction. These chains are linked via π-π inter-actions [inter-centroid distances ar  ...[more]

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