A monoclinic polymorph of 3,7,7-trimethyl-1-phenyl-5,6,7,8-tetrahydro-1H-pyrazolo [3,4-b]quinolin-5-one

J  Mera; J  Quiroga; J  Cobo; J N  Low; C  Glidewell

doi:10.1107/S0108270105016501

A monoclinic polymorph of 3,7,7-trimethyl-1-phenyl-5,6,7,8-tetrahydro-1H-pyrazolo [3,4-b]quinolin-5-one

J Mera
, J Quiroga
, J Cobo
, J N Low
, C Glidewell

School of Chemistry

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

Abstract

A second, monoclinic, polymorph of the title compound, C19H19N3O, is reported. In this polymorph, the molecules are linked into chains by paired C - H center dot center dot center dot pi hydrogen bonds and the chains are linked into sheets by pi stacking interactions.

Original language	English
Number of pages	3
Journal	Acta Crystallographica Section C-Crystal Structure Communications
Volume	61
DOIs	https://doi.org/10.1107/S0108270105016501
Publication status	Published - Jul 2005

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HYDROGEN-BONDS

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@article{109b9afe75884d7dbf94175043663ad6,

title = "A monoclinic polymorph of 3,7,7-trimethyl-1-phenyl-5,6,7,8-tetrahydro-1H-pyrazolo [3,4-b]quinolin-5-one",

abstract = "A second, monoclinic, polymorph of the title compound, C19H19N3O, is reported. In this polymorph, the molecules are linked into chains by paired C - H center dot center dot center dot pi hydrogen bonds and the chains are linked into sheets by pi stacking interactions.",

keywords = "HYDROGEN-BONDS",

author = "J Mera and J Quiroga and J Cobo and Low, \{J N\} and C Glidewell",

year = "2005",

month = jul,

doi = "10.1107/S0108270105016501",

language = "English",

volume = "61",

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

issn = "1600-5759",

publisher = "International Union of Crystallography",

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TY - JOUR

T1 - A monoclinic polymorph of 3,7,7-trimethyl-1-phenyl-5,6,7,8-tetrahydro-1H-pyrazolo [3,4-b]quinolin-5-one

AU - Mera, J

AU - Quiroga, J

AU - Cobo, J

AU - Low, J N

AU - Glidewell, C

PY - 2005/7

Y1 - 2005/7

N2 - A second, monoclinic, polymorph of the title compound, C19H19N3O, is reported. In this polymorph, the molecules are linked into chains by paired C - H center dot center dot center dot pi hydrogen bonds and the chains are linked into sheets by pi stacking interactions.

AB - A second, monoclinic, polymorph of the title compound, C19H19N3O, is reported. In this polymorph, the molecules are linked into chains by paired C - H center dot center dot center dot pi hydrogen bonds and the chains are linked into sheets by pi stacking interactions.

KW - HYDROGEN-BONDS

U2 - 10.1107/S0108270105016501

DO - 10.1107/S0108270105016501

M3 - Article

SN - 1600-5759

SN - 0108-2701

VL - 61

JO - Acta Crystallographica Section C-Crystal Structure Communications

JF - Acta Crystallographica Section C-Crystal Structure Communications

ER -

A monoclinic polymorph of 3,7,7-trimethyl-1-phenyl-5,6,7,8-tetrahydro-1H-pyrazolo [3,4-b]quinolin-5-one

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