2-Heteroatom-1,3-diazoles and quinoxaline as bridging p-acceptor ligands for Group VIB metal carbonyl fragments M(CO)5 (M = Cr, Mo, W). Synthesis, electrochemistry, absorption and emission spectroscopy. Zeitschrift fuer Anorganische und Allgemeine Chemie, (575):97--114, 1989. [PUMA: Group VIB carbonyl chalcogenadiazole chalcogenadiazole;selenadiazole chromium complex complex;Group complex;oxadiazole complex;quinoxaline complex;redn complex;thiadiazole complex;tungsten potential quinoxaline;molybdenum tungsten]
Coordination chemistry of reduced nitrogen heterocycles. Dinuclear pentacarbonyl complexes of molybdenum and tungsten with paramagnetic bridging ligands. Chemische Berichte, (115)3:910--918, 1982. [PUMA: binuclear carbonyl complex nitrogen tungsten bipyridine complex;carbonyl complex;molybdenum complex;pyrazine complex;quinoxaline complex;tungsten heterocycle heterocycle;dipyridylethene heterocycle;phenazine molybdenum]