The air-and moisture-stable iron–sulfur carbonyl clusters Fe 3 S 2 (CO) 7 (dppm) (1) and Fe 3 S 2 (CO) 7 (dppf) (2) carrying the bisphosphine ligands bis(diphenylphosphanyl)methane (dppm) and 1,1Ј-bis(diphenylphosphanyl)ferrocene (dppf) were prepared and fully characterized. Two alternative synthetic routes based on different thionation reactions of triiron… (More)
An efficient photocatalytic two-electron reduction and protonation of nicotine amide adenine dinucleotide (NAD(+)), as well as the synthetic nucleotide co-factor analogue N-benzyl-3-carbamoyl-pyridinium (BNAD(+)), powered by photons in the long-wavelength region of visible light (λirr > 610 nm), is demonstrated for the first time. This functional artificial… (More)
The heteroaromatic polynitrile compound tetracyanopyridine (TCNPy) is introduced as a new electron acceptor for the formation of deeply colored charge-transfer complexes. In MeCN, TCNPy is characterized by a quasireversible one-electron-reduction process at -0.51 V (versus SCE). The tetracyanopyridine radical anion undergoes a secondary chemical reaction,… (More)
In this study, a completely water soluble tri-cationic porphyrin-EDTA conjugate was synthesized. We present data demonstrating the tumoristatic effects of the novel fully water soluble cationic porphyrin TMPy(3)PhenEDTA-P-Cl(4) in the dark, in the medullary thyroid carcinoma cell lines MTC-SK and SHER-I and weaker effects in the small intestinal… (More)
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In the crystal structure of the title compound, [Cu(C(18)H(15)As)(4)]PF(6), the Cu atom is coordinated by four As atoms of triphenyl-arsine ligands in a tetra-hedral geometry. The complex cation is located on a crystallographic threefold axis. Both PF(6) (-) anions are located on special positions of site symmetry . The Cu-As bond of the independent arsine… (More)