Some novel polypyridine ligands containing adsorbing groups were synthesized with the purpose of developing new ruthenium(II) polypyridine complexes to be used in solar cell based on dye-sensitized nanocrystilline TiO...Some novel polypyridine ligands containing adsorbing groups were synthesized with the purpose of developing new ruthenium(II) polypyridine complexes to be used in solar cell based on dye-sensitized nanocrystilline TiO2 film electrode.展开更多
A ditopic ligand bpy-cyclam(L)and its heterometallo-binuclear complex Ru(bpy)_2(bpy-cyclam-Ni)(ClO_4)_43H_2O(3)designed for use in the catalytic photoreduction of carbon dioxide have been newly synthesized and charact...A ditopic ligand bpy-cyclam(L)and its heterometallo-binuclear complex Ru(bpy)_2(bpy-cyclam-Ni)(ClO_4)_43H_2O(3)designed for use in the catalytic photoreduction of carbon dioxide have been newly synthesized and characterized.The protonation constants of L were also determined.展开更多
Reaction of dimers of (R) thionophosphine sulfide (R = P - C6H4OMe,SMe ) with Co, (CO), yields the novel hexacobalt cluster [Co'(μ3, -S)2, (CO) 14 (μ4 -μ4- and the trinuclear clusterPSCH,)J 2' In 1, tw0 Co3...Reaction of dimers of (R) thionophosphine sulfide (R = P - C6H4OMe,SMe ) with Co, (CO), yields the novel hexacobalt cluster [Co'(μ3, -S)2, (CO) 14 (μ4 -μ4- and the trinuclear clusterPSCH,)J 2' In 1, tw0 Co3S(C0)7 units linked by a novel phosphido-thio1ato bifunc-tiona1 bridging p'-SPR ligand as backbone.展开更多
This article deals that the rare earth metal complexes along with Al(i'-Bu),can catalyze the polymerization of methyl-methacrylate (MMA) into high molecular weight poly(MMA) along with narrow molecular weight dist...This article deals that the rare earth metal complexes along with Al(i'-Bu),can catalyze the polymerization of methyl-methacrylate (MMA) into high molecular weight poly(MMA) along with narrow molecular weight distributions (MWD).A typical example was mentioned in the case of {Cp(Cl) Sm-Schiff-base(THF)} which expresses maximum (conv.% = 55.46 and Mn=354×103) efficiency along with narrow MWD (Mw/Mn<2) at 60℃.The resulting polymer was partially syndiotactic (>60%).The effect of the catalyst,temperature,catalyst/MMA molar ratio,catalyst/Al( i-Bu)3 molar ratio on the polymerization of MMA at 60℃ were also investigated.展开更多
Photoaffinity cross-linking is a fast developing technology for biomolecular interactions,including receptor-ligand binding.The chemical mechanisms of the most commonly used photoactivatable probes and their respectiv...Photoaffinity cross-linking is a fast developing technology for biomolecular interactions,including receptor-ligand binding.The chemical mechanisms of the most commonly used photoactivatable probes and their respective photochemistry are summarized.This review focuses on the expanding utilities of this technology as a result of recent advances in the(i)identification of receptor contact sites,(ii)monitoring ligand-induced receptor conformational changes,(iii)identification of global binding surfaces,(iv)binding mode analysis using bifunctional photo-probes,(v)application of biosynthetic photo-probes,and(vi)examples of novel target discovery using this technology.Limitations and future potential of this approach are also discussed.展开更多
文摘Some novel polypyridine ligands containing adsorbing groups were synthesized with the purpose of developing new ruthenium(II) polypyridine complexes to be used in solar cell based on dye-sensitized nanocrystilline TiO2 film electrode.
文摘A ditopic ligand bpy-cyclam(L)and its heterometallo-binuclear complex Ru(bpy)_2(bpy-cyclam-Ni)(ClO_4)_43H_2O(3)designed for use in the catalytic photoreduction of carbon dioxide have been newly synthesized and characterized.The protonation constants of L were also determined.
文摘Reaction of dimers of (R) thionophosphine sulfide (R = P - C6H4OMe,SMe ) with Co, (CO), yields the novel hexacobalt cluster [Co'(μ3, -S)2, (CO) 14 (μ4 -μ4- and the trinuclear clusterPSCH,)J 2' In 1, tw0 Co3S(C0)7 units linked by a novel phosphido-thio1ato bifunc-tiona1 bridging p'-SPR ligand as backbone.
基金Project supported by the National Natural Science Foundation of ChinaSino-Pectroleum Company (No. 29734145), the National Natural Science Foundation of China (No. 29871919).
文摘This article deals that the rare earth metal complexes along with Al(i'-Bu),can catalyze the polymerization of methyl-methacrylate (MMA) into high molecular weight poly(MMA) along with narrow molecular weight distributions (MWD).A typical example was mentioned in the case of {Cp(Cl) Sm-Schiff-base(THF)} which expresses maximum (conv.% = 55.46 and Mn=354×103) efficiency along with narrow MWD (Mw/Mn<2) at 60℃.The resulting polymer was partially syndiotactic (>60%).The effect of the catalyst,temperature,catalyst/MMA molar ratio,catalyst/Al( i-Bu)3 molar ratio on the polymerization of MMA at 60℃ were also investigated.
文摘Photoaffinity cross-linking is a fast developing technology for biomolecular interactions,including receptor-ligand binding.The chemical mechanisms of the most commonly used photoactivatable probes and their respective photochemistry are summarized.This review focuses on the expanding utilities of this technology as a result of recent advances in the(i)identification of receptor contact sites,(ii)monitoring ligand-induced receptor conformational changes,(iii)identification of global binding surfaces,(iv)binding mode analysis using bifunctional photo-probes,(v)application of biosynthetic photo-probes,and(vi)examples of novel target discovery using this technology.Limitations and future potential of this approach are also discussed.
