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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 32, Number 11
BKCSDE 32(11)
November 20, 2011

Title	Convergent Synthesis and Characterization of Dumbbell Type Dendritic Materials by Click Chemistry
Author	Sae Reum Sung, Seung Choul Han, Sung-Ho Jin,, Jae Wook Lee,,
Keywords	Alkyne, Azide, Click reaction, Dendritic-linear-dendritic materials, Dendrimer
Abstract	General, fast, and efficient stitching methods for the synthesis of dendrimers with linear PEG units at a core, as dendritic-linear-dendritic materials, were developed. The synthetic strategy involved the click reaction between an alkyne and an azide. The linear core building blocks, three dialkyne-PEG units, were chosen to serve as the alkyne functionalities for dendrimer growth via click reactions with the azide-dendrons. These three building blocks were employed together with the azide-functionalized Fréchet-type dendrons in a convergent strategy to synthesize the Fréchet-type dendrimers with different linear core units. Their structure of dendrimers was confirmed by 1H and 13C NMR spectroscopy, IR spectroscopy, mass spectrometry, and GPC analysis.
Page	3933 - 3940
Full Text	PDF

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