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Polymorphism in the structure of N-(5-methylthiazol-2-yl)-4-oxo-4H-chromene-3-carboxamide

Title
Polymorphism in the structure of N-(5-methylthiazol-2-yl)-4-oxo-4H-chromene-3-carboxamide
Type
Article in International Scientific Journal
Year
2017
Authors
Gomes, LR
(Author)
Other
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Low, JN
(Author)
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Fernando Cagide
(Author)
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Fernanda Borges
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Authenticus ID: P-00M-XDW
Abstract (EN): Chromone derivatives have been extensively studied recently because of to their promising biological activities. The new title chromone-thiazole hybrid presented here, C14H10N2O3S, is a candidate as a selective ligand for adenosine receptors. The compound has been synthesized and characterized by the usual spectroscopic means (NMR and EM/IE) and its structure elucidated by X-ray crystallography, which revealed the presence of packing polymorphism. The two polymorphs (one with space group P2(1)/n and one with P2(1)/c) show slightly different conformations and the major change induced by crystallization regards the intramolecular contacts defining the supramolecular structure. Those differences been highlighted by Hirshfeld surface analysis mapped over d(norm) and ESP.
Language: English
Type (Professor's evaluation): Scientific
No. of pages: 18
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