6-Amino-3-methyl-4-(4-nitro-phen-yl)-1-phenyl-pyrazolo[3,4-b]pyridine-5-carbonitrile.
Acta Crystallogr Sect E Struct Rep Online
; 64(Pt 4): o689, 2008 Mar 12.
Article
em En
| MEDLINE
| ID: mdl-21202081
ABSTRACT
The title compound, C(20)H(14)N(6)O(2), contains four rings. The dihedral angle between the pyridine ring and the pyrazole ring is 1.9â
(1)°, i.e. almost coplanar, which gives rise to a conjugated structure. The dihedral angle between the nitro-substituted phenyl ring and the pyridine ring is 76.3â
(1)° and that between the pyrazole ring and the non-substituted phenyl ring is 40.5â
(1)°. In the crystal structure, symmetry-related mol-ecules are linked by N-Hâ¯O and C-Hâ¯N hydrogen bonds.
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MEDLINE
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En
Ano de publicação:
2008
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Article