Scan for full text
Yi-xiang Cheng, Ling-wu Chen, Xiao-wei Zou and Jin-feng Song College of Chemistry and Chemical Engineering, 等. SYNTHESIS OF CHIRAL CONJUGATED POLYBINAPHTHYLS BY SONOGASHIRA REACTION[J]. 高分子科学(英文版), 2006,(3):273-279.
Yi-xiang Cheng, Ling-wu Chen, Xiao-wei Zou and Jin-feng Song College of Chemistry and Chemical Engineering, et al. SYNTHESIS OF CHIRAL CONJUGATED POLYBINAPHTHYLS BY SONOGASHIRA REACTION[J]. 2006,(3):273-279.
Yi-xiang Cheng, Ling-wu Chen, Xiao-wei Zou and Jin-feng Song College of Chemistry and Chemical Engineering, 等. SYNTHESIS OF CHIRAL CONJUGATED POLYBINAPHTHYLS BY SONOGASHIRA REACTION[J]. 高分子科学(英文版), 2006,(3):273-279. DOI:
Yi-xiang Cheng, Ling-wu Chen, Xiao-wei Zou and Jin-feng Song College of Chemistry and Chemical Engineering, et al. SYNTHESIS OF CHIRAL CONJUGATED POLYBINAPHTHYLS BY SONOGASHIRA REACTION[J]. 2006,(3):273-279. DOI:
<正>Chiral polymers P-1 and P-2 were synthesized by the polymerization of (R)-3,3’-diiodo-2,2’-bisbutoxy-1,1’-binaphthyl (M-1) with 2,5-di(4-ethynylphenyl)-1,3,4-oxadiazole (M-3) and (R)-3,3’-diethylnyl-2,2’-bisbutoxy-1,1’-binaph-thyl (M-2) with 1,2-di(4-bromophenyl)acetylene (M-4) under Sonogashira reaction, respectively. Both monomers and polymers were analyzed by NMR, MS, FT-IR, UV-Vis spectroscopy, DSC-TGA, fluorescence spectroscopy, GPC and CD spectroscopy, CD spectra of P-1 and P-2 are similar due to the same chiral center units and main chain structure. The long wavelengths CD effect of P-1 and P-2 can be regarded as the more extended conjugated structure and a highly rigid backbone in the polymer chain. Polymers have strong blue fluorescence due to the efficient energy migration from the extendedπ-electronic structure of the polymers to the chiral binaphthyl core and are expected to provide understanding of the relationship between molecular structure and fluorescent property of the chiral polymers.正>
Chiral polymers P-1 and P-2 were synthesized by the polymerization of (R)-3,3’-diiodo-2,2’-bisbutoxy-1,1’-binaphthyl (M-1) with 2,5-di(4-ethynylphenyl)-1,3,4-oxadiazole (M-3) and (R)-3,3’-diethylnyl-2,2’-bisbutoxy-1,1’-binaph-thyl (M-2) with 1,2-di(4-bromophenyl)acetylene (M-4) under Sonogashira reaction, respectively. Both monomers and polymers were analyzed by NMR, MS, FT-IR, UV-Vis spectroscopy, DSC-TGA, fluorescence spectroscopy, GPC and CD spectroscopy, CD spectra of P-1 and P-2 are similar due to the same chiral center units and main chain structure. The long wavelengths CD effect of P-1 and P-2 can be regarded as the more extended conjugated structure and a highly rigid backbone in the polymer chain. Polymers have strong blue fluorescence due to the efficient energy migration from the extendedπ-electronic structure of the polymers to the chiral binaphthyl core and are expected to provide understanding of the relationship between molecular structure and fluorescent property of the chiral polymers.
0
浏览量
59
Downloads
1
CSCD
关联资源
相关文章
相关作者
相关机构
京公网安备11010802024621