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3,5-Dimethyl-1-(2-pyridylcarbon-yl)-5-[(2-pyridylcarbon-yl)hydrazino]-2-pyrazoline methanol hemisolvate.


ABSTRACT: The title compound, C(17)H(18)N(6)O(2)·0.5CH(3)OH, exists in the double keto form and adopts a highly puckered geometry, stabilized by intra-molecular N-H?O and N-H?N hydrogen bonds. Inter-molecular N-H?N hydrogen bonds and ?-? stacking inter-actions [centroid-centroid separation = 3.654?(1)?Å] assemble the mol-ecules into chains running in the [111] direction. The methanol solvent mol-ecule is disordered over two sites related by inversion and forms a bifurcated O-H?(N,O) hydrogen bond.

SUBMITTER: Chen Y 

PROVIDER: S-EPMC2960697 | biostudies-literature | 2008 Aug

REPOSITORIES: biostudies-literature

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3,5-Dimethyl-1-(2-pyridylcarbon-yl)-5-[(2-pyridylcarbon-yl)hydrazino]-2-pyrazoline methanol hemisolvate.

Chen Yuting Y   Yang Hua H   Li Dacheng D   Wang Daqi D  

Acta crystallographica. Section E, Structure reports online 20080830 Pt 9


The title compound, C(17)H(18)N(6)O(2)·0.5CH(3)OH, exists in the double keto form and adopts a highly puckered geometry, stabilized by intra-molecular N-H⋯O and N-H⋯N hydrogen bonds. Inter-molecular N-H⋯N hydrogen bonds and π-π stacking inter-actions [centroid-centroid separation = 3.654 (1) Å] assemble the mol-ecules into chains running in the [111] direction. The methanol solvent mol-ecule is disordered over two sites related by inversion and forms a bifurcated O-H⋯(N,O) hydrogen bond. ...[more]

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