Issue 41, 2010
From the journal:

Chemical Communications

From unexpected reactions to a new family of ionic co-crystals: the case of barbituric acid with alkali bromides and caesium iodide†

Dario Braga,a   Fabrizia Grepioni,*a   Lucia Maini,*a   Susanna Prosperi,a   Roberto Gobettob  and  Michele R. Chierottib  

* Corresponding authors

a Dipartimento di Chimica G. Ciamician, Università degli Studi di Bologna, via Selmi 2, 40126 Bologna, Italy
E-mail: fabrizia.grepioni@unibo.it
Fax: +39 051 2099456

b Dipartimento di Chimica I.F.M., Università di Torino, via Giuria 7, 10125 Torino, Italy
E-mail: roberto.gobetto@unito.it

Abstract

Pressing solid barbituric acid with KBr to prepare samples for IR spectroscopy leads to the formation of an ionic co-crystal, in which the co-former is a classical ionic salt; co-crystal formation is also obtained with the other alkali bromides (LiBr, NaBr, RbBr and CsBr) and with caesium iodide. The simultaneous presence of alkali and halide ions affects the dissolution properties of barbituric acid in water.

Graphical abstract: From unexpected reactions to a new family of ionic co-crystals: the case of barbituric acid with alkali bromides and caesium iodide

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Article information

DOI
https://doi.org/10.1039/C0CC02701D
Article type
Communication
Submitted
21 Jul 2010
Accepted
01 Sep 2010
First published
20 Sep 2010

Chem. Commun., 2010,46, 7715-7717

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From unexpected reactions to a new family of ionic co-crystals: the case of barbituric acid with alkali bromides and caesium iodide

D. Braga, F. Grepioni, L. Maini, S. Prosperi, R. Gobetto and M. R. Chierotti, Chem. Commun., 2010, 46, 7715 DOI: 10.1039/C0CC02701D

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