Zobrazeno 1 - 10
of 37
pro vyhledávání: '"H. Loeliger"'
Publikováno v:
Journal of Polymer Science: Polymer Symposia. 57:225-228
Photolysis products of 4-t-butyl-peroxy-4-methyl-2, 6-di-t-butyl cyclohexadienone have been identified and a mechanism of their formation is given.
Publikováno v:
Applied Magnetic Resonance. 1:101-112
NMR signals of19F have been measured in the polycrystalline inorganic conductor Ag2F and in the polycrystalline insulators AgF, YOF, EuOF, YF3, CuF2, BaF2 and KF to compare them to the signals found in the so-called «1-2-3-type» compounds with clai
Publikováno v:
Helvetica Chimica Acta. 64:2544-2554
Single crystals of the title compound are monoclinic, space group P21/n with two formula units per cell of the following dimensions: a = 18.209, b = 19.076, c = 4.075 A, β = 92.43°. The crystals show metallic conductivity along the needle axis from
Publikováno v:
Tetrahedron Letters. 19:1571-1574
Publikováno v:
Helvetica Chimica Acta. 61:488-500
The theory of solvent-induced shifts of the absorption and fluorescence band spectra of a solute is well known and has been tested for a multitude of systems. However, there are only few applications to polymers. By a direct comparison of the spectra
Autor:
H. Loeliger
Publikováno v:
Helvetica Chimica Acta. 52:1516-1520
The production of ·CF3 radicals during the photolytical decomposition of Pb (IV) trifluoracetat is demonstrated by ESR. measurements.
Autor:
K. Heusler, H. Loeliger
Publikováno v:
Helvetica Chimica Acta. 52:1495-1516
The position of the asymmetric COO- vibration of lead4+ carboxylates (at 6.50 to 6.58 μ) clearly indicates the absence of covalent bonding between oxygen and lead. These salts show strong UV. absorption in the region of 220 to 270 nm which is assign
Publikováno v:
Tetrahedron Letters. 6:2847-2854
Publikováno v:
Helvetica Chimica Acta. 55:1467-1477
Photolysis of 2-dicyanomethylene-1, 3-indandione-monophenylhydrazone 1 during several days yielded 3-(N-chlorimino)-5-oxo-2-phenyl-2.3-dihydro-5H-indeno[1.2-c]pyridazine-4-carbonitrile 2. Isomerization to 3-imino-5-oxo-2-phenyl-2.3-dihydro-5H-indeno[
Publikováno v:
Experientia. 20:599-601
Cu2+-complexes with different monodentate ligands PYR, e.g. pyridine, 2,4,6-collidine and imidazole, catalyse the oxidation ofo-phenylenediamine (H2B) to 3,5-dihydro-2-amino-3-iminophenazine (PHEN) by O2. Investigation of the electron paramagnetic re