Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Vincent J Chebny"'
Publikováno v:
Journal of the American Chemical Society. 139:4334-4337
Typical poly-p-phenylene wires are characterized by strong interchromophoric electronic coupling with redox and optical properties being highly length-dependent. Herein we show that an incorporation of a pair of para-methoxy groups at each p-phenylen
Publikováno v:
Organic Letters. 11:1939-1942
The one-electron oxidation of tetramethoxydibenzobicyclo[4.4.1]undecane (4) prompts it to undergo a clam-like electromechanical actuation into a cofacially pi-stacked conformer as established by (i) electrochemical analysis, (ii) by the observation o
Publikováno v:
Tetrahedron Letters. 49:4869-4872
Simple syntheses of a variety of soluble hexa- peri -hexabenzocoronenes are accomplished using an easily prepared hexakis (4-acetylphenyl)benzene as a common precursor. The concentration-dependent emissions of various HBC’s in solution indicate tha
Simultaneous Ejection of Six Electrons at a Constant Potential by Hexakis(4-ferrocenylphenyl)benzene
Publikováno v:
Organic Letters. 8:5041-5044
A simple synthesis of a dendritic hexaferrocenyl electron donor (5) is described in which six ferrocene moieties are connected at the vertices of the propeller of the hexaphenylbenzene core. The molecular structure of 5 is confirmed by X-ray crystall
Autor:
Vincent J Chebny, Matthew K. Kiesewetter, Cheryl D. Stevenson, Richard C. Reiter, Rajendra Rathore
Publikováno v:
The Journal of Physical Chemistry A. 110:9602-9606
EPR studies in tetrahydrofuran, reveal that the one electron reduction of 1-(9-methyl-9H-fluoren-9-yl)-4-methylbenzene via electron transfer from cesium metal produces an anion radical that has a large affinity for the cesium cation. The affinity of
Autor:
Chao Xu, Viktor Csokai, Katarzyna Wygladacz, Adam Malon, Ernö Pretsch, Vincent J. Chebny, Eric Bakker, Alajos Grün, Tamás Vigassy, Zsófia Szigeti, István Bitter, Rajendra Rathore, Nan Ye
Publikováno v:
Analytica Chimica Acta. 572:1-10
Ten Ag+-selective ionophores have been characterized in terms of their potentiometric selectivities and complex formation constants in solvent polymeric membranes. The compounds with pi-coordination show much weaker interactions than those with thioe
Publikováno v:
Angewandte Chemie. 117:2831-2834
Publikováno v:
The journal of physical chemistry. B. 114(45)
With the aid of laser-flash photolysis, the one-electron oxidation of conformationally mobile tetramethoxydibenzobicyclo[4.4.1]undecane (1), using photoexcited chloranil as an oxidant, allows us to show that extended 1(+•) undergoes a conformationa
Publikováno v:
Organic letters. 11(11)
Definitive X-ray crystallographic evidence is obtained for a single hole (or a polaron) to be uniformly distributed on the three equivalent 1,2-dimethoxybenzenoid (or veratrole) rings in the hexamethoxytriptycene cation radical. This conclusion is fu
Autor:
Rajendra Rathore, Vincent J. Chebny
Publikováno v:
Journal of the American Chemical Society. 129(27)
Convergent synthetic routes for the preparation of hitherto unknown fluorene-p-xylene oligomers (containing up to 10 fluorene moieties) from readily available starting materials are described. The conformationally adaptable monomeric receptor (which