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Sabino JR, Oliveira CM, Fraga CA, et al. 1-Methyl-7-(4-nitro-phen-yl)-3-phenyl-pyrazolo[3,4-b]pyrrolo[3,4-d]pyridine-6,8(3H,7H)-dione. Acta Crystallogr Sect E Struct Rep Online. 2008;64:o2356doi: 10.1107/S1600536808037240.
Sabino, J. R., Oliveira, C. M., Fraga, C. A., Barreiro, E. J., de Oliveira, V., & Menegatti, R. (2008). 1-Methyl-7-(4-nitro-phen-yl)-3-phenyl-pyrazolo[3,4-b]pyrrolo[3,4-d]pyridine-6,8(3H,7H)-dione. Acta crystallographica. Section E, Structure reports online, 64o2356. https://doi.org/10.1107/S1600536808037240
Sabino, Jose R, et al. "1-Methyl-7-(4-nitro-phen-yl)-3-phenyl-pyrazolo[3,4-b]pyrrolo[3,4-d]pyridine-6,8(3H,7H)-dione." Acta crystallographica. Section E, Structure reports online vol. 64 (2008): o2356. doi: https://doi.org/10.1107/S1600536808037240
Sabino JR, Oliveira CM, Fraga CA, Barreiro EJ, de Oliveira V, Menegatti R. 1-Methyl-7-(4-nitro-phen-yl)-3-phenyl-pyrazolo[3,4-b]pyrrolo[3,4-d]pyridine-6,8(3H,7H)-dione. Acta Crystallogr Sect E Struct Rep Online. 2008 Nov 13;64:o2356. doi: 10.1107/S1600536808037240. PMID: 21581329; PMCID: PMC2959918.
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Acta Crystallogr Sect E Struct Rep Online. 2008 Nov 13;64:o2356. doi: 10.1107/S1600536808037240.

1-Methyl-7-(4-nitro-phen-yl)-3-phenyl-pyrazolo[3,4-b]pyrrolo[3,4-d]pyridine-6,8(3H,7H)-dione.

Acta crystallographica. Section E, Structure reports online

Jose R Sabino, Cecília M A Oliveira, Carlos A M Fraga, Eliezer J Barreiro, Valéria de Oliveira, Ricardo Menegatti

PMID: 21581329 PMCID: PMC2959918 DOI: 10.1107/S1600536808037240

Abstract

In the title compound, C(21)H(13)N(5)O(4), the dihedral angles formed between the planes of the phenyl and nitro-phenyl rings and that of the heterotricyclic plane are 41.29 (7) and 61.35 (6)°, respectively. In the crystal, weak C-H⋯O interactions help to establish the packing.

References

  1. Bioorg Med Chem. 2006 Feb 1;14(3):632-40 - PubMed
  2. Acta Crystallogr A. 2008 Jan;64(Pt 1):112-22 - PubMed

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