A series of Sc,Y,Ce,Pr,Nd,Sm,Eu,Gd,Tb,Ho,Er,Tm and Yb complexes with oxybenzoquinoline ligands(BQ) was synthesized by the reactions of 10-hydroxybenzo[h]quinoline with cyclopentadienides or tris(trimethylsilyl)amides ...A series of Sc,Y,Ce,Pr,Nd,Sm,Eu,Gd,Tb,Ho,Er,Tm and Yb complexes with oxybenzoquinoline ligands(BQ) was synthesized by the reactions of 10-hydroxybenzo[h]quinoline with cyclopentadienides or tris(trimethylsilyl)amides of rare earth metals.The structure,as well as the photo-and electroluminescent(PL,EL) properties of these complexes in solutions and solid state were studied.In solutions,complexes of sodium and lanthanides exhibit double peaked ligand-centered PL of enol and keto forms of BQ with a quantum yield of 1%-8%.In the solid state the complexes of Sm,Eu,Ho,Nd,Er,and Yb along with the ligand-centered PL also exhibit a moderate-intensity metal-centered PL which is characteristic of the corresponding Ln^(3+) ions.Sc(BQ)_(3) complex shows bright green EL which has intensity comparable to the best results observed for scandium complexes with other organic ligands.展开更多
Comprehensive Summary Herein,we present a facile synthesis of amide-type water-soluble fullerene derivatives decorated with five residues of amino acids.As compared to the previously developed approaches,the proposed ...Comprehensive Summary Herein,we present a facile synthesis of amide-type water-soluble fullerene derivatives decorated with five residues of amino acids.As compared to the previously developed approaches,the proposed method enables usage of a broad range of amino acids,including those unstable under Friedel-Crafts reaction conditions.Furthermore,it is fully tolerant to the nature of the sixth addend X in C60R5X precursor compounds and allows one to obtain fullerene derivatives with X=Cl,H,alkyl.The synthesized amide-type water-soluble fullerene derivatives demonstrated promising antiviral activities against rimantadine-resistant influenzaА/Puerto Rico/8/34(Н1N1)virus in vitro.展开更多
基金supported by the Russian Science Foundation (2073-10115)。
文摘A series of Sc,Y,Ce,Pr,Nd,Sm,Eu,Gd,Tb,Ho,Er,Tm and Yb complexes with oxybenzoquinoline ligands(BQ) was synthesized by the reactions of 10-hydroxybenzo[h]quinoline with cyclopentadienides or tris(trimethylsilyl)amides of rare earth metals.The structure,as well as the photo-and electroluminescent(PL,EL) properties of these complexes in solutions and solid state were studied.In solutions,complexes of sodium and lanthanides exhibit double peaked ligand-centered PL of enol and keto forms of BQ with a quantum yield of 1%-8%.In the solid state the complexes of Sm,Eu,Ho,Nd,Er,and Yb along with the ligand-centered PL also exhibit a moderate-intensity metal-centered PL which is characteristic of the corresponding Ln^(3+) ions.Sc(BQ)_(3) complex shows bright green EL which has intensity comparable to the best results observed for scandium complexes with other organic ligands.
基金Russian Science Foundation(19-13-00411-P)O.A.K.acknowledges the support from the Stipend of the President of Russian Federation(SP-2022).
文摘Comprehensive Summary Herein,we present a facile synthesis of amide-type water-soluble fullerene derivatives decorated with five residues of amino acids.As compared to the previously developed approaches,the proposed method enables usage of a broad range of amino acids,including those unstable under Friedel-Crafts reaction conditions.Furthermore,it is fully tolerant to the nature of the sixth addend X in C60R5X precursor compounds and allows one to obtain fullerene derivatives with X=Cl,H,alkyl.The synthesized amide-type water-soluble fullerene derivatives demonstrated promising antiviral activities against rimantadine-resistant influenzaА/Puerto Rico/8/34(Н1N1)virus in vitro.
