Citation: . SYNTHESIS OF POLYBINAPHTHYLS INCORPORATING CHIRAL (R)-1,1'-BI-2,2'-NAPHTHOL ENTITIES WITH p-DIVINYLBENZENE BY Pd-CATALYZED HECK REACTION[J]. Chinese Journal of Polymer Science, ;2004, 22(4): 327-331. shu

SYNTHESIS OF POLYBINAPHTHYLS INCORPORATING CHIRAL (R)-1,1'-BI-2,2'-NAPHTHOL ENTITIES WITH p-DIVINYLBENZENE BY Pd-CATALYZED HECK REACTION

Received Date: 6 March 2003
Revised Date: 12 May 2003

Polymer(I)and polymer(Ⅱ) were obtained by the polymerization of (R)-6,6'-dibromo-2,2'-binaphtho-20-crown-6(M-1) and (R)-6,6'-dibromo-2,2'-di(methoxyethoxymethyloxy)-1,1'-binaphthyl (M-2) with p-divinylbenzene under Pd-catalyzed Heck reaction. The UV, fluorescence and CD spectra of polymer(I) and(Ⅱ) are similar due to the same linkers present in their polymer chain. Polymers (I) and(Ⅱ) can emit strong blue fluorescence and are expected to have potential applications in polarized blue-light emitting sensors. The chiral conjugated polymers (I) and(Ⅱ) exhibit a strong Cotton effect in their circular dichroism (CD) spectra, indicating a high rigidity of polymer backbone.
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