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Issue 47, 2017
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Boric acid co-crystals in guar gelation

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A series of bis(pyrrolidone) and ε-caprolactam co-crystals of boric acid and 1,4-phenylenediboronic acid are reported. The high polarity of the lactam carbonyl group is highly complementary to the boronic acid hydrogen bond donor functionalities and co-crystals are based on cyclic boronic acid tape motifs, including an unusual donor–donor motif, with strong perpendicular interactions to the lactam functionalities. All of the co-crystals are able to act as a source of boric or boronic acid cross-linker in guar gelation.

Graphical abstract: Boric acid co-crystals in guar gelation

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Article information

25 Oct 2017
16 Nov 2017
First published
16 Nov 2017

CrystEngComm, 2017,19, 7125-7131
Article type

Boric acid co-crystals in guar gelation

A. Perrin, M. J. Goodwin, O. M. Musa, D. S. Yufit and J. W. Steed, CrystEngComm, 2017, 19, 7125
DOI: 10.1039/C7CE01858D

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