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Ethyl 7-methyl-2-phenyl-pyrazolo-[1,5-a]pyrimidine-5-carboxyl-ate.

ABSTRACT: The fused pyrazole and pyrimidine rings in the title compound, C16H15N3O2, are almost coplanar, being inclined to one another by 1.31?(12)°. The mean plane of this fused ring system is nearly coplanar with the phenyl ring, as indicated by the dihedral angle between their planes of 1.31?(12)°. The fused-ring system and the phenyl ring are nearly coplanar, as indicated by the dihedral angle of 1.27?(10)°. In the crystal, mol-ecules form inversion dimers via pairs of C-H?O hydrogen bonds. C-H?N inter-actions connect the dimers into a three-dimensional network. In addition, ?-? contacts are observed, with centroid-centroid distances of 3.426?(2)?Å.

SUBMITTER: Bassoude I 

PROVIDER: S-EPMC3648271 | biostudies-literature | 2013 May

REPOSITORIES: biostudies-literature

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Ethyl 7-methyl-2-phenyl-pyrazolo-[1,5-a]pyrimidine-5-carboxyl-ate.

Bassoude Ibtissam I   Berteina-Raboin Sabine S   Essassi El Mokhtar el M   Guillaumet Gérald G   El Ammari Lahcen L  

Acta crystallographica. Section E, Structure reports online 20130417 Pt 5

The fused pyrazole and pyrimidine rings in the title compound, C16H15N3O2, are almost coplanar, being inclined to one another by 1.31 (12)°. The mean plane of this fused ring system is nearly coplanar with the phenyl ring, as indicated by the dihedral angle between their planes of 1.31 (12)°. The fused-ring system and the phenyl ring are nearly coplanar, as indicated by the dihedral angle of 1.27 (10)°. In the crystal, mol-ecules form inversion dimers via pairs of C-H⋯O hydrogen bonds. C-H⋯N int  ...[more]

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