Abstract
The alkyne-functionalized Fréchet-type dendrons 2-Dm containing benzamine were synthesized by N-alkylation of the corresponding dendritic benzyl chlorides with 4-ethynylaniline. The oxidative homo-coupling reaction of the alkyne-functionalized Fréchet-type dendrons 2-Dm was allowed to provide the first through fourth generation dendrimers 3-Gm with 1,4-diphenylbuta-1,3-diynes at chromophore core in high yields. Their structure of dendrimers was confirmed by 1H and 13C NMR spectroscopy, IR spectroscopy, mass spectrometry, and GPC analysis. The photophysical properties of the synthesized dendrimers was investigated.
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This research was supported by the Dong-A University Research Fund.
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Han, S.C., Song, T.G., Jin, SH. et al. Synthesis of Chromophore Core Fréchet-Type Dendrimer by Oxidative Homo-Coupling of Terminal Alkyne. Macromol. Res. 29, 430–434 (2021). https://doi.org/10.1007/s13233-021-9051-2
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DOI: https://doi.org/10.1007/s13233-021-9051-2