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Beilstein J. Org. Chem. 2013, 9, 1589–1600, doi:10.3762/bjoc.9.181
Graphical Abstract
Figure 1: Structure of the SG1, TEMPO and DBN nitroxides and the BlocBuilder MA alkoxyamine.
Figure 2: Key equilibrium between active and dormant species involved in the nitroxide-mediated (NMP) polymer...
Figure 3: Degradation of the SG1 nitroxide versus time in the presence of 0 (empty stars), 1 (filled squares)...
Figure 4: Degradation of the SG1 (triangles) and TEMPO (squares) nitroxides versus time in the presence of 0 ...
Figure 5: Degradation of the SG1 nitroxide versus time in DMA (filled squares), DMF (filled triangles), MeOH ...
Figure 6: Degradation of the SG1 nitroxide versus time in the presence of 0% of lithium salt in DMA (empty sq...
Figure 7: Degradation of the TEMPO nitroxide versus time in DMA in the presence of 0% lithium salt (empty squ...
Figure 8: NMP of styrene initiated by the BlocBuilder MA alkoxyamine at 120 °C in DMA without LiCl salt. (a) ...
Scheme 1: Synthesis of the cellobiose and SG1-based alkoxyamine (cello-SG1). The shown regioisomer exhibits a...
Figure 9: (a) Evolution of the number-average molar mass (Mn: filled symbol, linear fit: dash lines) and poly...
Scheme 2: (Reversible) redox system of nitroxide.
Figure 10: Cyclic voltammograms in DMF of (a) SG1 (10−2 M)/ NaClO4 (10−1 M) and (b) LiCl (10−2 M)/TBAPF6 (10−1...
Figure 11: Cyclic voltammograms of DMF/4.5 wt % LiBr solution heated at 80 °C for 30 min (plain line) and 14 h...
Scheme 3: Hydrolysis of DMA in the presence of LiCl.
Scheme 4: Disproportionation of nitroxide 1 by acid treatment.
Figure 12: Degradation of the nitroxides (SG1 and TEMPO) in the presence of HCl. (a) TEMPO ESR signal in the p...