A novel brideed bis(β-cvclodextrin), 4, 4'-diaminodiphenyl ether-bfiged-bis (6-aimino-6-deoxv-β-cyclodextrin) 3, has been synthesized and its inclusion complexation behavior with three linear'guest dyes (AR, ...A novel brideed bis(β-cvclodextrin), 4, 4'-diaminodiphenyl ether-bfiged-bis (6-aimino-6-deoxv-β-cyclodextrin) 3, has been synthesized and its inclusion complexation behavior with three linear'guest dyes (AR, NR and MB ) has been investigated by. means of fluorescence spectrometry. The-result obtained demonstrated that the novel bridged bis(β-cyclodextnn) showed much higher affinities towards guest dyes than native β-cyclodextrin.展开更多
A novel b-cyclodextrin dimer bearing 2, 9-diformyl-1, 10-phenanthroline tether 4 has been synthesized and its inclusion complexation behavior with two triangular model substrates (RhB and BG) has been investigated thr...A novel b-cyclodextrin dimer bearing 2, 9-diformyl-1, 10-phenanthroline tether 4 has been synthesized and its inclusion complexation behavior with two triangular model substrates (RhB and BG) has been investigated through fluorescence and ultraviolet spectrometry. The result obtained indicated that novel bridged bis(b-cyclodextrin)s could significantly enhance the original molecular binding ability of native b-cyclodextrin by cooperative binding of two hydrophobic cavities.展开更多
基金supported by the Yunnan Province Natural Science Foundation (Nos. 2003C009M and 2003B0014Q)
文摘A novel brideed bis(β-cvclodextrin), 4, 4'-diaminodiphenyl ether-bfiged-bis (6-aimino-6-deoxv-β-cyclodextrin) 3, has been synthesized and its inclusion complexation behavior with three linear'guest dyes (AR, NR and MB ) has been investigated by. means of fluorescence spectrometry. The-result obtained demonstrated that the novel bridged bis(β-cyclodextnn) showed much higher affinities towards guest dyes than native β-cyclodextrin.
基金This work was supported by the National Natural Science Foundation (No.299925908 and 29972029) of China Tianjin Natural Science Foundation (No.013613511) the Foundation of Ministry of Education, which are gratefully acknowledged.
文摘A novel b-cyclodextrin dimer bearing 2, 9-diformyl-1, 10-phenanthroline tether 4 has been synthesized and its inclusion complexation behavior with two triangular model substrates (RhB and BG) has been investigated through fluorescence and ultraviolet spectrometry. The result obtained indicated that novel bridged bis(b-cyclodextrin)s could significantly enhance the original molecular binding ability of native b-cyclodextrin by cooperative binding of two hydrophobic cavities.