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(3E,5E)-3,5-Bis(4-hy-droxy-benzyl-idene)oxan-4-one.

ABSTRACT: In the title compound, C(19)H(16)O(4), there are two 4-hy-droxy-benzyl substituents on the oxan-4-one (tetra-hydro-pyran-4-one) ring, which exhibits an envelope conformation. The dihedral angles between pyran-one ring and the two benzene rings are 26.69?(9) and 36.01?(9)° while the benzene rings make a dihedral angle of 20.88?(10)°. In the crystal, mol-ecules are linked by inter-molecular O-H?O hydrogen bonds into a supra-molecular three-dimensional twofold inter-penetrating hydrogen-bonded network.

SUBMITTER: Du ZY 

PROVIDER: S-EPMC3050132 | biostudies-literature | 2010 Dec

REPOSITORIES: biostudies-literature

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(3E,5E)-3,5-Bis(4-hy-droxy-benzyl-idene)oxan-4-one.

Du Zhi-Yun ZY   Huang Hua-Rong HR   Lu Yu-Jun YJ   Zhang Kun K   Fang Yan-Xiong YX  

Acta crystallographica. Section E, Structure reports online 20101211 Pt 1

In the title compound, C(19)H(16)O(4), there are two 4-hy-droxy-benzyl substituents on the oxan-4-one (tetra-hydro-pyran-4-one) ring, which exhibits an envelope conformation. The dihedral angles between pyran-one ring and the two benzene rings are 26.69 (9) and 36.01 (9)° while the benzene rings make a dihedral angle of 20.88 (10)°. In the crystal, mol-ecules are linked by inter-molecular O-H⋯O hydrogen bonds into a supra-molecular three-dimensional twofold inter-penetrating hydrogen-bonded netw  ...[more]

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