2-(4-Chlorophenyl)-5-(4-nitrophenyl)-4,7-dihydropyrazolo[1,5-a]pyrimidine-3,6-dicarbaldehyde: a chain of rings built from N-H center dot center dot center dot O and C-H center dot center dot center dot O hydrogen bonds

Jorge Trilleras; Jairo Quiroga; John N. Low; Justo Cobo; Christopher Glidewell

doi:10.1107/S0108270108014509

2-(4-Chlorophenyl)-5-(4-nitrophenyl)-4,7-dihydropyrazolo[1,5-a]pyrimidine-3,6-dicarbaldehyde: a chain of rings built from N-H center dot center dot center dot O and C-H center dot center dot center dot O hydrogen bonds

Jorge Trilleras, Jairo Quiroga, John N. Low, Justo Cobo, Christopher Glidewell

School of Chemistry

Research output: Contribution to journal › Article › peer-review

Abstract

In the title compound, C20H13ClN4O4, the six-membered heterocyclic ring is planar and the molecular dimensions provide evidence for polarization of the molecular-electronic structure. Molecules are linked into a chain of rings by a combination of N-H center dot center dot center dot O and C-H center dot center dot center dot O hydrogen bonds, but the nitro group does not participate in the supramolecular aggregation. This study illustrates the marked influence of peripheral substituents on the pattern of hydrogen-bonded aggregation in compounds of this type.

Original language	English
Number of pages	3
Journal	Acta Crystallographica Section C-Crystal Structure Communications
Volume	64
DOIs	https://doi.org/10.1107/S0108270108014509
Publication status	Published - Jun 2008

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Trilleras, J., Quiroga, J., Low, J. N., Cobo, J., & Glidewell, C. (2008). 2-(4-Chlorophenyl)-5-(4-nitrophenyl)-4,7-dihydropyrazolo[1,5-a]pyrimidine-3,6-dicarbaldehyde: a chain of rings built from N-H center dot center dot center dot O and C-H center dot center dot center dot O hydrogen bonds. Acta Crystallographica Section C-Crystal Structure Communications, 64. https://doi.org/10.1107/S0108270108014509

@article{60d710357ff948ad9e7e35519fa46dea,

title = "2-(4-Chlorophenyl)-5-(4-nitrophenyl)-4,7-dihydropyrazolo[1,5-a]pyrimidine-3,6-dicarbaldehyde: a chain of rings built from N-H center dot center dot center dot O and C-H center dot center dot center dot O hydrogen bonds",

abstract = "In the title compound, C20H13ClN4O4, the six-membered heterocyclic ring is planar and the molecular dimensions provide evidence for polarization of the molecular-electronic structure. Molecules are linked into a chain of rings by a combination of N-H center dot center dot center dot O and C-H center dot center dot center dot O hydrogen bonds, but the nitro group does not participate in the supramolecular aggregation. This study illustrates the marked influence of peripheral substituents on the pattern of hydrogen-bonded aggregation in compounds of this type.",

author = "Jorge Trilleras and Jairo Quiroga and Low, {John N.} and Justo Cobo and Christopher Glidewell",

year = "2008",

month = jun,

doi = "10.1107/S0108270108014509",

language = "English",

volume = "64",

journal = "Acta Crystallographica Section C-Crystal Structure Communications",

issn = "1600-5759",

publisher = "International Union of Crystallography",

}

Trilleras, J, Quiroga, J, Low, JN, Cobo, J & Glidewell, C 2008, '2-(4-Chlorophenyl)-5-(4-nitrophenyl)-4,7-dihydropyrazolo[1,5-a]pyrimidine-3,6-dicarbaldehyde: a chain of rings built from N-H center dot center dot center dot O and C-H center dot center dot center dot O hydrogen bonds', Acta Crystallographica Section C-Crystal Structure Communications, vol. 64. https://doi.org/10.1107/S0108270108014509

2-(4-Chlorophenyl)-5-(4-nitrophenyl)-4,7-dihydropyrazolo[1,5-a]pyrimidine-3,6-dicarbaldehyde: a chain of rings built from N-H center dot center dot center dot O and C-H center dot center dot center dot O hydrogen bonds. / Trilleras, Jorge; Quiroga, Jairo; Low, John N. et al.
In: Acta Crystallographica Section C-Crystal Structure Communications, Vol. 64, 06.2008.

Research output: Contribution to journal › Article › peer-review

TY - JOUR

T1 - 2-(4-Chlorophenyl)-5-(4-nitrophenyl)-4,7-dihydropyrazolo[1,5-a]pyrimidine-3,6-dicarbaldehyde: a chain of rings built from N-H center dot center dot center dot O and C-H center dot center dot center dot O hydrogen bonds

AU - Trilleras, Jorge

AU - Quiroga, Jairo

AU - Low, John N.

AU - Cobo, Justo

AU - Glidewell, Christopher

PY - 2008/6

Y1 - 2008/6

N2 - In the title compound, C20H13ClN4O4, the six-membered heterocyclic ring is planar and the molecular dimensions provide evidence for polarization of the molecular-electronic structure. Molecules are linked into a chain of rings by a combination of N-H center dot center dot center dot O and C-H center dot center dot center dot O hydrogen bonds, but the nitro group does not participate in the supramolecular aggregation. This study illustrates the marked influence of peripheral substituents on the pattern of hydrogen-bonded aggregation in compounds of this type.

AB - In the title compound, C20H13ClN4O4, the six-membered heterocyclic ring is planar and the molecular dimensions provide evidence for polarization of the molecular-electronic structure. Molecules are linked into a chain of rings by a combination of N-H center dot center dot center dot O and C-H center dot center dot center dot O hydrogen bonds, but the nitro group does not participate in the supramolecular aggregation. This study illustrates the marked influence of peripheral substituents on the pattern of hydrogen-bonded aggregation in compounds of this type.

U2 - 10.1107/S0108270108014509

DO - 10.1107/S0108270108014509

M3 - Article

SN - 1600-5759

VL - 64

JO - Acta Crystallographica Section C-Crystal Structure Communications

JF - Acta Crystallographica Section C-Crystal Structure Communications

ER -

Trilleras J, Quiroga J, Low JN, Cobo J, Glidewell C. 2-(4-Chlorophenyl)-5-(4-nitrophenyl)-4,7-dihydropyrazolo[1,5-a]pyrimidine-3,6-dicarbaldehyde: a chain of rings built from N-H center dot center dot center dot O and C-H center dot center dot center dot O hydrogen bonds. Acta Crystallographica Section C-Crystal Structure Communications. 2008 Jun;64. doi: 10.1107/S0108270108014509