Intramolecular Hydroamination with Homogeneous Zinc Catalysts: Evaluation of Substituent Effects inN,N′-Disubstituted Aminotroponiminate Zinc Complexes
作者:Maximilian Dochnahl、Karolin Löhnwitz、Jens-Wolfgang Pissarek、Mustafa Biyikal、Sabrina R. Schulz、Sebastian Schön、Nils Meyer、Peter W. Roesky、Siegfried Blechert
DOI:10.1002/chem.200601765
日期:2007.8.6
ethers, and aryl groups were employed. The corresponding aminotroponiminatezinccomplexes were then synthesized and characterized by a number of techniques, including by X-ray crystallography. Herein we report on the investigations into their activity in the intramolecular hydroamination of nonactivated alkenes. We also demonstrate that complexes bearing ligands with cyclic alkyl groups show superior
Novel fluorophores: Syntheses and photophysical studies of boron-aminotroponimines
作者:Chenikkayala Balachandra、Nagendra K. Sharma
DOI:10.1016/j.dyepig.2016.10.051
日期:2017.2
The syntheses and photophysical study of novel fluorescent boron-aminotroponimine complexes are described. The chemical structure of one of the boron complexes was confirmed by single crystal X-ray analysis, which shows the appearance of the distorted tetrahedral geometry at boron. The photophysical studies of these complexes revealed that the boron-aminotroponimines are fluorescent molecules with
of Ti complex having a pair of chelating aminotropone [O–N] ligand have been reported. Calculations of density functional theory (DFT) studies suggest that bis(aminotropone) Ti complex, when activated with methylaluminoxane (MAO), have high potential for the polymerization of olefinic monomers. These theoretical studies also show that the active species derived from bis(aminotropone) Ti catalyst normally
Provided herein are methods for the obtention of an active HBV RNaseH preparation and its use in screening methods to identify potential inhibitors of the enzyme for possible use as therapeutic agents. Also provided are methods of treatment using agents identified according to the screen.
Selected nickel complexes of the anions of certain 2-aminotropones are olefin polymerization catalysts. Novel 2-aminotropones and their nickel complexes are also disclosed together with methods of making these 2-aminotropones.