Issue 21, 2022
From the journal:

Chemical Communications

Monitoring dynamic pre-crystallization aggregation processes in solution by VT-DOSY-NMR spectroscopy†

Andreas Mix,a   Jan-Hendrik Lamm,a   Jan Schwabedissen,a   Erich Gebel,a   Hans-Georg Stammlera  and  Norbert W. Mitzel ORCID logo *a  

* Corresponding authors

a Universität Bielefeld, Fakultät für Chemie, Lehrstuhl für Anorganische Chemie und Strukturchemie (ACS) and Centre for Molecular Materials (CM2), Universitätsstr. 25, Bielefeld D-33615, Germany
E-mail: mitzel@uni-bielefeld.de

Abstract

Equimolar mixtures of pyridine (Py) with para-halotetrafluoropyridine (BrTFP and ITFP) were investigated by VT-diffusion NMR experiments. The formation of a halogen-bond-stabilized ITFP·Py complex was detected upon cooling a solution in methylcyclohexane-d14 to 260 K; this allows monitoring a halogen-bond-driven aggregation process preceding crystallization in solution.

Graphical abstract: Monitoring dynamic pre-crystallization aggregation processes in solution by VT-DOSY-NMR spectroscopy

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Article information

DOI
https://doi.org/10.1039/D1CC05925D
Article type
Communication
Submitted
20 Oct 2021
Accepted
24 Dec 2021
First published
24 Dec 2021

Chem. Commun., 2022,58, 3465-3468

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Monitoring dynamic pre-crystallization aggregation processes in solution by VT-DOSY-NMR spectroscopy

A. Mix, J. Lamm, J. Schwabedissen, E. Gebel, H. Stammler and N. W. Mitzel, Chem. Commun., 2022, 58, 3465 DOI: 10.1039/D1CC05925D

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