نتایج جستجو برای: terpyridine

تعداد نتایج: 900  

Journal: :Chemical synthesis 2023

A series of alkynylplatinum(II) terpyridine complexes and terpyridine-containing conjugated polymers with different polymer backbones has been synthesized, their spectroscopic properties Förster resonance energy transfer (FRET) processes investigated. The platinum(II)-containing exhibit dual emissive features emission maxima at ca. 416-465 nm 671-673 nm, which are assigned to be originated from...

2017
Sammual Yu-Lut Leung Sloane Evariste Christophe Lescop Muriel Hissler Vivian Wing-Wah Yam

A new class of platinum(II) terpyridine complexes with a phosphole-derived bridging alkynyl ligand have been prepared. The X-ray crystal structure of complex 2 has been determined, and reveals a polymeric zig-zag chain structure with the existence of p–p stacking interactions. The photophysical properties have also been studied, with MLCT/LLCT phosphorescence exhibited in degassed CH2Cl2; the e...

Journal: :Chemical science 2017
Sammual Yu-Lut Leung Sloane Evariste Christophe Lescop Muriel Hissler Vivian Wing-Wah Yam

A new class of platinum(ii) terpyridine complexes with a phosphole-derived bridging alkynyl ligand have been prepared. The X-ray crystal structure of complex 2 has been determined, and reveals a polymeric zig-zag chain structure with the existence of π-π stacking interactions. The photophysical properties have also been studied, with 3MLCT/3LLCT phosphorescence exhibited in degassed CH2Cl2; the...

Journal: :Organic & biomolecular chemistry 2007
Jin-Dong Cheon Toshiki Mutai Koji Araki

Several N-alkyl and N-phenyl derivatives of 6-amino- () and 6,6'-diamino-2,2':6',2''-terpyridine () were synthesized, and their fluorescence properties were studied. A successive red-shift was observed as the number of the N-substituted groups increased. It was also shown that the susceptivity of the fluorophores to a solvent varied considerably according to the mode of the N-substitution. Whil...

2014
Frankie White Richard E. Sykora

The title compound, [Ni(C15H11N3)2][Au(CN)2]2, is an ionic compound composed of bis-(2,2':6',2''-terpyridine)-nickel(II) dications and dicyanidoaurate(I) anions in a 1:2 ratio. The two tridentate terpyridine ligands define the coordination of the Ni(2+) cation, resulting in a nearly octa-hedral coordination sphere, although there is not any imposed crystallographic symmetry about the Ni(2+) sit...

Journal: :Dalton transactions 2014
Soumen K Samanta Anup Rana Michael Schmittel

The sterically shielded terpyridine was prepared, both as a new ligand and as part of the four-station nanoscaffold . Mixing of terpyridine , the parent phenanthroline and the shielded phenanthroline in the presence of Zn(2+) (1 : 1 : 1 : 1) furnished quantitatively the inverse HETTAP complex [Zn()()](2+) by self-sorting, while in the presence of Cu(+) the HETPHEN complex [Cu()()](+) was prefer...

Journal: :Molbank 2022

A new terpyridine molecule, bearing a N-propargylated pyrrole, was prepared and characterized. Its synthesis based on Krohnke-type reaction between 2-acetylpyridine N-propargylpyrrole-2-carboxaldehyde in basic medium. An allene-containing also obtained as by-product.

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2013
Sammual Yu-Lut Leung Wai Han Lam Vivian Wing-Wah Yam

Platinum(II)-containing complexes with inherently chiral binaphthol derivatives display a versatile scaffold between random coils and single-turn helical strands, in which the conformational transition is controlled by the Pt···Pt and π-π interactions of alkynylplatinum(II) terpyridine moiety upon solvent and temperature modulation. The bisignate Cotton effect in the circular dichroism spectra ...

2016
Yue Tian Sha-Sha Xu Jian Su Yang Zhang Shao-Shuai Zhao Yu-Peng Tian

In the title polymeric ZnII complex, [Zn2(C10H4O8)Cl2(C20H14N4)2] n , the ZnII cations are bridged by both 2,5-di-carb-oxy-benzene-1,4-di-carboxyl-ate dianions and 4'-(pyridin-3-yl)-4,2':6',4''-terpyridine ligands, forming ladder-like polymeric chains propagating along [1-10]. The Cl- anion further coordinates the ZnII cation to complete a distorted tetra-hedral environment. In the 4'-(pyridin-...

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