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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 33, Number 12
BKCSDE 33(12)
December 20, 2012 

Synthesis of Diblock Codendrimer by Double Click Chemistry
Jae Wook Lee*, Seung Choul Han, Won Ho Ji, Sung-Ho Jin*, Ji Hyeon Kim*
Alkyne, Azide, Click reaction, Diblock dendrimer, Triazole
Efficient double click methods for the synthesis of diblock codendrimers were developed. The synthetic strategy involved the sequential click reactions between an alkyne and an azide. The short core building block, 1,4-diazidobutane, was chosen to serve as the azide functionalities for dendrimer growth via click reactions with the alkyne-functionalized PAMAM dendrons as hydrophilic dendron and alkyne-functionalized Fréchettype dendrons as hydrophobic dendron. The structure of diblock codendrimers was confirmed by 1H and 13C NMR spectroscopy, IR spectroscopy, mass spectrometry, and GPC analysis.
4103 - 4108
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