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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 28, Number 5
BKCSDE 28(5)
May 20, 2007

Title	Preparation of Red Perylene Fluoroionophore Containing Calix[4]azacrown Ether and Their Ionophoric Properties
Author	Young-Min Jeon, Tae-Ho Lim, Jong-Gyu Kim, Jong-Seung Kim, Myoung-Seon Gong*
Keywords	Polymeric fluoroionophore, Perylene, PCT, Calix[4]-bisazacrown-5
Abstract	Novel new red-light emitting perylene fluoroionophore N,N'-dipropyl-1,7-bis(calix[4]azacrown-5-crown-5)- 3,4,9,10-perylene tetracarboxy diimide (3) was prepared by reacting N,N'-dipropyl-1,7-dibromo-3,4,9,10- perylene tetracarboxy diimide (1) with calix[4]azacrown-5-crown-5. Also the alternating copolymer (4) with similar repeating unit was prepared reacting by calix[4]bisazacrown-5 with 1. Metal ion binding by 3 and 4 leads to a blue-shift of absorption band and emission spectra. When ionophoric characteristics were investigated by binding alkali, alkali earth metal and various metal ions, polymeric ionophores displayed large fluorescence decreasing effects with K⁺, Ag⁺ and Ba²⁺, which was rationalized by photo-induced charge transfer (PCT).
Page	816 - 820
Full Text	PDF

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