Zobrazeno 1 - 10
of 36
pro vyhledávání: '"Hans-G. Biedermann"'
Autor:
Peter H. Seidl, Hans-G. Biedermann
Publikováno v:
Die Makromolekulare Chemie. 177:631-643
Ataktisches Poly(4-pyridylathylen) (1) bildet mit zahlreichen Metallchloriden in Athanol Komplexe mit verschiedenen Koordinationszahlen in Abhangigkeit vom eingesetzten Metallion. Komplexierungsreaktionen mit zwei Metallchloriden gleichzeitig fuhren
Publikováno v:
Zeitschrift für Naturforschung B. 29:371-375
A series of complexes formed between transition metal chelates and the ligands vinylpyridine and cyanopyridine has been prepared. By analysis of the IR spectra of the complexes the coordinated ligand atoms were determined.
Publikováno v:
Zeitschrift für Naturforschung B. 32:1455-1460
Acrylic acid copolymers with styrene, acryloylchloride, acryloylpyrrolidinone, acryloyloxypyridine, acryloylsuccinimid and acryloyltriazole are prepared and coupled with insulin. Metal complexes with BaCl2, Cu(CH3COO)2, La(NO3)2, Pb(NO3)2 and Hg(NO3)
Publikováno v:
Die Makromolekulare Chemie. 172:49-55
Ataktisches Poly(2-pyridylathylen) [Poly(2-vinylpyridin)] bildet mit Ubergangsmetallverbindungen in Athanol die folgenden Komplexe: [Mt(II)L2(C7H7N)2]n (1b, 1c), [MtJ2(C7H7N)3]n (2b, 2c), [NiJ2(C7H7N)4]n (3b), [FeCl2(C7H7N)2]n (1a), [CoCl2(C7H7N)3]n
Publikováno v:
Zeitschrift für Naturforschung B. 27:1332-1335
Atactic poly-4-vinylpyridine forms with transition metal compounds in ethyl alcohol the following complexes: Me (II) L2 (P-4-VP-m)2 and Me (II) J2 (P-4-VP-m)3, Me = Fe, Co, Ni. L = Cl⁻, acetylacetonate, salicylaldehydate and o-nitrophenolate. The I
Publikováno v:
Zeitschrift für Naturforschung B. 26:531-534
Cobalt (II) and Nickel (II) complexes of guajacole, vanilline and isovanilline were prepared. The coordinated ligand atoms were determined by IR- and NMR-spectroscopy. Spin densities indicating reactive ligand sites to which radicals can be attached
Publikováno v:
Zeitschrift für Naturforschung B. 31:321-323
Pyridine π-complexes are prepared by treating 2,6-dimethylpyridine and 2,3,5,6-tetramethylpyridine with Cr(CO)6. Thus, tricarbonyl(2,6-dimethylpyridine)chromium(0) and tricarbonyl(2,3,5,6-tetramethylpyridine)chromium(0) are obtained. IR and 1H NMR s
Autor:
Klaus Wichmann, Hans-G. Biedermann
Publikováno v:
Zeitschrift für Naturforschung B. 29:360-362
2,4,6-Tri(4-pyridyl)-s-triazine is prepared from 4-cyanopyridine by a cationic and anionic mechanism. It forms with transition metal chlorides in toluene or benzene the complexes: (FeCl3)3(TPyT)2, and (MeCl2)3(TPyT)2 with Me = Ni, Co, Cu. The IR spec
Autor:
Wolfgang Graf, Hans-G. Biedermann
Publikováno v:
Zeitschrift für Naturforschung B. 29:65-67
Poly-1-vinyl-2-pyrrolidinone of various molecular weight forms with transition metal chlorides in specific mixtures of solvents the following complexes: [Me(II)Cl2(C6H9NO)2]100, [NiCl2(C6H9NO)1]100, [Co(C6H9NO)2]n, Me = Fe, Co, Ni, Cu, Zn, n = 220, 3
Publikováno v:
Zeitschrift für Naturforschung B. 27:1329-1331
Reactions of acetylacetonate-, salicylaldehydate- and methylsalicylate-metal compounds with oxygen, bromine and sulfurylchloride were investigated. It was found, that these reactions yield to a variety of products depending on the used central metal