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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 28, Number 11
BKCSDE 28(11)
November 20, 2007

Title	Synthesis of Silafluorene on Dendritic Periphery
Author	Chungkyun Kim*, Wonju Seo, Myeong-Jin Oh
Keywords	Dendrimer, Silane, Silafluorene, Hydrosilation, Luminescence
Abstract	Carbosilane dendrimers with silafluorenyl groups on the periphery were prepared by the reaction of 2,2'- dilithiumbiphenyl and dichlorosilyl groups on the carbosilane dendrimers at low temperature. The 1^st to 4^th generation of dendrimers with silafluorenyl groups were obtained with high yields and the products were purified by column chromatography. The unified properties of the dendrimers were measured by gel permeation chromatography (GPC) and displayed very low and regular polydispersity index (PDI) value. The silafluorenyl moieties on dendritic periphery accepted the potassium fluoride ions which were stabilized by criptand [222], and it proved strong photoluminescent properties.
Page	1963 - 1966
Full Text	PDF

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