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Issue 29, 2016
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Unusual seeding effect in the liquid-assisted high-pressure polymorphism of chlorpropamide

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Abstract

When crystals of four polymorphs – a stable α-form and three metastable ones (β-, γ-, δ-forms) – are simultaneously present in a pressure cell, immersed in a 1 : 1 pentane–isopentane mixture, the least stable β-form recrystallises exclusively into the γ-form (if no δ-form seed is present) or concomitantly into the γ- and δ-forms (if a seed of the δ-form is present). However, the β-form never recrystallises to the stable α-form, even if the latter is also present as a potential seed.

Graphical abstract: Unusual seeding effect in the liquid-assisted high-pressure polymorphism of chlorpropamide

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Supplementary files

Article information


Submitted
30 Mar 2016
Accepted
06 Jun 2016
First published
06 Jun 2016

This article is Open Access

CrystEngComm, 2016,18, 5423-5428
Article type
Communication

Unusual seeding effect in the liquid-assisted high-pressure polymorphism of chlorpropamide

B. A. Zakharov, S. V. Goryainov and E. V. Boldyreva, CrystEngComm, 2016, 18, 5423
DOI: 10.1039/C6CE00711B

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