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10-(2-Pyrid-yloxy)phenanthren-9-ol.

ABSTRACT: In the title compound, C(19)H(13)NO(2), the pyridyl ring makes a dihedral angle of 87.04 (6)° with the plane of the phenanthrene ring system. In the crystal, mol-ecules are linked through weak inter-molecular C-H⋯O hydrogen bonds and C-H⋯π inter-actions.

SUBMITTER: Huq CA

PROVIDER: S-EPMC3008099 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Tautomerism in 10-(hy-droxy-imino)-phenanthren-9-one.

Project description:In the title compound, C(14)H(9)NO(2), a static disorder exists between the keto-oxime and hy-droxy-nitroso tautomers, in an approximate ratio of 4.6:1, based on refined occupancies for disordered parts. No inter-molecular hydrogen bonding is present in the crystal structure. Instead, both tautomers exhibit similar intra-molecular O-H?O hydrogen bonds.

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