Issue 37, 2013
From the journal:

CrystEngComm

Concomitant cocrystallization on engineered surfaces

Xingyi Shi,†a   Shin Yee Wong,†a   Xiaochuan Yanga  and  Allan S. Myerson*a  

* Corresponding authors

a Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, 66-568, Cambridge, Massachusetts 02139, USA
E-mail: myerson@mit.edu
Fax: +1-617-253-2072
Tel: +1-617-452-3790

Abstract

Engineered self-assembled monolayer (SAM) substrates were successfully illustrated as a high throughput polymorph screening method for cocrystals. In this study, we have obtained new polymorphs of the cocrystals of caffeine and oxalic acid (2 : 1 molar ratio). This is evidenced by the Raman spectra, which showed new peaks at 1076, 1588 and 1602 cm−1. In addition, the XRD diffraction pattern exhibited a new peak at 30.0°, further confirming the presence of new polymorphs.

Graphical abstract: Concomitant cocrystallization on engineered surfaces

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Article information

DOI
https://doi.org/10.1039/C3CE40899J
Article type
Communication
Submitted
22 May 2013
Accepted
01 Aug 2013
First published
02 Aug 2013

CrystEngComm, 2013,15, 7450-7455

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Concomitant cocrystallization on engineered surfaces

X. Shi, S. Y. Wong, X. Yang and A. S. Myerson, CrystEngComm, 2013, 15, 7450 DOI: 10.1039/C3CE40899J

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