MALDI-TOF Mass Spectral Characterization of Polymers Containing an Azide Group: Evidence of Metastable Ions.

MALDI-TOF Mass Spectral Characterization of Polymers Containing an Azide Group: Evidence of Metastable Ions.
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DOI:
10.1021/ma100599n
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发表时间:
2010-07-27
期刊:
影响因子:
5.5
通讯作者:
Grayson SM
Grayson SM
中科院分区:
化学1区
文献类型:
--
作者:
Li Y;Hoskins JN;Sreerama SG;Grayson SM

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The copper catalyzed Huisgen 1, 3-dipolar cycloaddition” click” reaction, 1 has become an invaluable coupling reaction due to its uncommon combination of extremely high coupling yields and broad functional group tolerance. This versatility has been demonstrated in numerous applications2 including the labeling of biological molecules (DNA, proteins, cell surfaces, etc.) both in vitro and in vivo, 3, 4 synthesis of biomedical materials, 5 the crosslinking self assembled nanostructures, 6 and the functionalization of two-dimensional surfaces. 7In the field of macromolecular synthesis, the broad utility of click coupling has been proven through the assembly of an exceptional range of complex macromolecular architectures, 8 including diblock copolymers, 9 triblock copolymers, 10 star polymers, 11 miktoarm star polymers, 12 graft polymers, 13 hyperbranched polymers, 14 dendrimers, 15 dendronized linear polymers, 16 cyclic polymers, 17 cyclic block copolymers, 18 polyrotaxanes, 19 and even dendrimers with polymeric repeat units. 20 As a consequence, characterization of welldefined azide-functionalized macromolecules has become an increasingly important aspect of polymer chemistry.
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