Correction: Synthesis, dynamic NMR characterization and XRD studies of novel N,N’-substituted piperazines for bioorthogonal labeling

Constantin Mamat; Marc Pretze; Matthew Gott; Martin Köckerling

doi:10.3762/bjoc.13.32

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Correction: Synthesis, dynamic NMR characterization and XRD studies of novel N,N’-substituted piperazines for bioorthogonal labeling

^{^1,2} ,
^³ ,
^¹ and
^⁴

¹Helmholtz-Zentrum Dresden-Rossendorf, Institut für Radiopharmazeutische Krebsforschung, Bautzner Landstraße 400, D-01328 Dresden, Germany

²Technische Universität Dresden, Fachrichtung Chemie und Lebensmittelchemie, D-01062 Dresden, Germany

³Medizinische Fakultät Mannheim der Universität Heidelberg, Institut für Klinische Radiologie und Nuklearmedizin, Theodor-Kutzner-Ufer 1-3, D-68167 Mannheim, Germany

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Associate Editor: J. A. Murphy
Beilstein J. Org. Chem. 2017, 13, 301–302. https://doi.org/10.3762/bjoc.13.32
Received 06 Feb 2017, Accepted 09 Feb 2017, Published 15 Feb 2017

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This correction refers to Beilstein J. Org. Chem. 2016, 12, 2478–2489. doi:10.3762/bjoc.12.242

Keywords: building blocks; coalescence; dynamic NMR; labeling; Staudinger ligation

In the original article an incorrect caption for Figure 1 was given. The assignment of the solvents to the capital letters was not correct. The correct caption of Figure 1 is: ¹H NMR spectra of compound 3a measured in five different solvents: (A) acetonitrile-d₃, (B) methanol-d₄, (C) acetone-d₆, (D) DMSO-d₆ and (E) CDCl₃ (orange: region of interest). Figure 1 with the corrected caption is given below.

[1860-5397-13-32-1] — **Figure 1:** ¹H NMR spectra of compound 3a measured in five different solvents: (A) acetonitrile-d₃, (B) methanol-d₄, (C) acetone-d₆, (D) DMSO-d₆ and (E) CDCl₃ (orange: region of interest).

**Figure 1:** ¹H NMR spectra of compound 3a measured in five different solvents: (A) acetonitrile-d₃, (B) methano...

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© 2017 Mamat et al.; licensee Beilstein-Institut.
This is an Open Access article under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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aromatic	the word “aromatic”
aromatic aldehyde	the word “aromatic” OR “aldehyde”
+aromatic +aldehyde	both words “aromatic” AND “aldehyde”
+aromatic -aldehyde	the word “aromatic” but NOT “aldehyde”
“aromatic aldehyde”	the exact phrase “aromatic aldehyde”
benz*	words which begin with “benz”, such as “benzene” or “benzyl”
benz*yl	words that begin with “benz” and end with “yl”, such as “benzyl” or “benzoyl”
benzyl~	words that are close to the word “benzyl”, such as “benzoyl” (i.e., fuzzy search)