Substituent Influences on the NMR Signal Amplification of Ir Complexes with Heterocyclic Carbene Ligands
- 作者: Hadjiali S.1, Savka R.2, Plaumann M.3, Bommerich U.3, Bothe S.1, Gutmann T.1, Ratajczyk T.4, Bernarding J.3, Limbach H.5, Plenio H.2, Buntkowsky G.1
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隶属关系:
- Institute of Physical Chemistry, Technical University Darmstadt
- Institute of Inorganic Chemistry, Technical University Darmstadt
- Medical Faculty, Institute for Biometrics and Medical Informatics, Otto-Von-Guericke University Magdeburg
- Institute of Physical Chemistry, Polish Academy of Sciences
- Institute of Chemistry, Freie Universität Berlin
- 期: 卷 50, 编号 7 (2019)
- 页面: 895-902
- 栏目: Original Paper
- URL: https://journals.rcsi.science/0937-9347/article/view/248595
- DOI: https://doi.org/10.1007/s00723-019-01115-x
- ID: 248595
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详细
A number of Ir–N-heterocyclic carbene (Ir–NHC) complexes with asymmetric N-heterocyclic carbene (NHC) ligands have been prepared and examined for signal amplification by reversible exchange (SABRE). Pyridine was chosen as model compound for hyperpolarization experiments. This substrate was examined in a solvent mixture using several Ir–NHC complexes, which differ in their NHC ligands. The SABRE polarization was created at 6 mT and the 1H nuclear magnetic resonance signals were detected at 7 T. We show that asymmetric NHC ligands, because of their favorable chemistry, can adapt the SABRE active complexes to different chemical scenarios.
作者简介
Sara Hadjiali
Institute of Physical Chemistry, Technical University Darmstadt
Email: gerd.buntkowsky@chemie.tu-darmstadt.de
德国, Alarich-Weiss-Straße 8, Darmstadt, 64287
Roman Savka
Institute of Inorganic Chemistry, Technical University Darmstadt
Email: gerd.buntkowsky@chemie.tu-darmstadt.de
德国, Alarich-Weiss-Straße 12, Darmstadt, 64287
Markus Plaumann
Medical Faculty, Institute for Biometrics and Medical Informatics, Otto-Von-Guericke University Magdeburg
Email: gerd.buntkowsky@chemie.tu-darmstadt.de
德国, Leipziger Str. 44, Magdeburg, 39120
Ute Bommerich
Medical Faculty, Institute for Biometrics and Medical Informatics, Otto-Von-Guericke University Magdeburg
Email: gerd.buntkowsky@chemie.tu-darmstadt.de
德国, Leipziger Str. 44, Magdeburg, 39120
Sarah Bothe
Institute of Physical Chemistry, Technical University Darmstadt
Email: gerd.buntkowsky@chemie.tu-darmstadt.de
德国, Alarich-Weiss-Straße 8, Darmstadt, 64287
Torsten Gutmann
Institute of Physical Chemistry, Technical University Darmstadt
Email: gerd.buntkowsky@chemie.tu-darmstadt.de
德国, Alarich-Weiss-Straße 8, Darmstadt, 64287
Tomasz Ratajczyk
Institute of Physical Chemistry, Polish Academy of Sciences
Email: gerd.buntkowsky@chemie.tu-darmstadt.de
波兰, Kasprzaka 44/52, Warsaw, 01-224
Johannes Bernarding
Medical Faculty, Institute for Biometrics and Medical Informatics, Otto-Von-Guericke University Magdeburg
Email: gerd.buntkowsky@chemie.tu-darmstadt.de
德国, Leipziger Str. 44, Magdeburg, 39120
Hans-Heinrich Limbach
Institute of Chemistry, Freie Universität Berlin
Email: gerd.buntkowsky@chemie.tu-darmstadt.de
德国, Takustrasse 3, Berlin, 14195
Herbert Plenio
Institute of Inorganic Chemistry, Technical University Darmstadt
Email: gerd.buntkowsky@chemie.tu-darmstadt.de
德国, Alarich-Weiss-Straße 12, Darmstadt, 64287
Gerd Buntkowsky
Institute of Physical Chemistry, Technical University Darmstadt
编辑信件的主要联系方式.
Email: gerd.buntkowsky@chemie.tu-darmstadt.de
ORCID iD: 0000-0003-1304-9762
德国, Alarich-Weiss-Straße 8, Darmstadt, 64287
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