Journal
BEILSTEIN JOURNAL OF ORGANIC CHEMISTRY
Volume 11, Issue -, Pages 1037-1042Publisher
BEILSTEIN-INSTITUT
DOI: 10.3762/bjoc.11.116
Keywords
3-azido-1-propyne oligomer; CuAAC polymerization; hydrodynamic radius; methyl iodide; pulse-field-gradient spin-echo NMR; quarternization
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Funding
- Japan Society for the Promotion of Science [23550137, 26288061]
- Grants-in-Aid for Scientific Research [26288061, 23550137] Funding Source: KAKEN
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3-Azido-1-propyne oligomer (oligoAP) samples, prepared by copper( I)-catalyzed azide-alkyne cycloaddition (CuAAC) polymerization, were quarternized quantitatively with methyl iodide in sulfolane at 60 degrees C to obtain soluble oligomers. The conformation of the quarternized oligoAP in dilute DMSO-d(6) solution was examined by pulse-field-gradient spin-echo NMR based on the touched bead model.
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