Four 1-aryl-1H-pyrazole-3,4-dicarboxylate derivatives: synthesis, molecular conformation and hydrogen bonding

Four 1-aryl-1H-pyrazole-3,4-dicarboxylate derivatives: synthesis, molecular conformation and hydrogen bonding

Four 1-aryl-1H-pyrazole-3,4-dicarboxylate derivatives, one acid, two esters and a dicarbohydrazide have been synthesized starting from 3-aryl sydnones, and structurally characterized. There is an intramolecular O—H...O hydrogen bond in 1-phenyl-1H-pyrazole-3,4-dicarboxylic acid, C11H8N2O4, (I), and...

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Bibliographic Details
Main Authors:	Asma, Balakrishna Kalluraya, Hemmige S. Yathirajan, Ravindranath S. Rathore, Christopher Glidewell
Format:	Article
Language:	English
Published:	International Union of Crystallography 2018-12-01
Series:	Acta Crystallographica Section E: Crystallographic Communications
Subjects:	synthesis 1,3-dipolar addition crystal structure molecular conformation disorder hydrogen bonding supramolecular assembly
Online Access:	http://scripts.iucr.org/cgi-bin/paper?S2056989018015864

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