Academic literature on the topic 'NMR Struktur in Lösung'

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Journal articles on the topic "NMR Struktur in Lösung"

1

Lentz, Dieter. "Die Struktur von Undecacarbonyl-(μ-trifluormethylisocyanid)trieisen Fe3(μ-CNCF3)(CO)11 in Lösung". Zeitschrift für Naturforschung B 42, № 7 (1987): 839–42. http://dx.doi.org/10.1515/znb-1987-0708.

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Abstract According to its 13C NMR spectra, undecacarbonyl-(μ-trifluorom ethylisocyanide)triiron, Fe3(μ-CNCF3)(CO)11 , is only partly nonrigid in solution even at ambient temperature. However, on cooling to -100 °C the molecule is rigid on the NMR time scale.
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2

Wüthrich, Kurt. "Ermittlung räumlicher Protein-Strukturen in Lösung mittels NMR." Fresenius' Zeitschrift für analytische Chemie 327, no. 1 (1987): 65. http://dx.doi.org/10.1007/bf00474573.

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3

Jakobsmeier, Linda, Ingo Krossing, Heinrich Nöth, and Martin J. H. Schmidt. "Über einige Aluminiumbromid-Ether-Addukte: Strukturen in Lösung und im festen Zustand / Aluminium Bromide Ether Adducts: Structures in Solution and in the Solid State." Zeitschrift für Naturforschung B 51, no. 8 (1996): 1117–26. http://dx.doi.org/10.1515/znb-1996-0810.

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Monoglyme forms a molecular 1:1 adduct with AlBr3 which dissociates into the ions AlBr2(DME)2+ and AlBr4- in DME, CH2Br2 and CDCl3 as solvents. A hexacoordinated Al center is present in the solid adduct AlBr3·diglyme. The oxygen and bromine atoms are arranged in a meriodional configuration as shown by X-ray crystallography. However, in solution dissociation occurs into AlBr2(diglym)2+ and AlBr4-. Not unexpectedly, AlBr3 forms the adduct AlBr3·2THF with tetrahydrofuran. The dioxane adduct AlBr3·diox is polymeric in the solid state and has a chain structure with pentacoordinated trigonal-bipyram
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4

Schmidt, M., K. Albert, R. Brindle, C. Maichle-Mössmer, and K. Eger. "Zur Struktur von Hydroxy-5-phenyl-furanonen: Lösungs-NMR, Festkörper-13C-NMR und Röntgenstruktur im Vergleich / On the Structure of Hydroxy-5-phenyl-furanone Derivatives: NMR Spectroscopy in Solution and High Resolution Solid State 13C NMR Spectroscopy in Relation to X-Ray Crystallography." Zeitschrift für Naturforschung B 48, no. 10 (1993): 1372–80. http://dx.doi.org/10.1515/znb-1993-1011.

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The structure of (5H)-2-Amino-3-hydroxy-5-phenyl-furan-4-one (lb) was determined by NMR-spectroscopy in solution and in the solid state. The structure of its oxidation product, 3,4-Dihydro-3,3,4,4-tetrahydroxy-5-phenyl-furan-2(5H)-one (7), given in the literature as 5-Phenyl-2,3,4-(5H)-furan-trione, was determined by NMR spectroscopy and crystal structure analysis. The solid state NMR spectrum of 7 was compared to the spectrum of dehydroascorbic acid
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5

Daub, Jörg, Adelheid Hasenhündl, Erika Salbeck, Alfred Gieren, and Thomas Hübner. "N,N,N′,N′,N′,N″,N‴,N‴-Octamethyl-[bi-2,4,6-cycloheptatrien-1-yl]- 3,3′-dicarboxamidinium-Salze: Struktur der meso-Verbindung in Lösung und im Kristall [1] / N,N,N′,N′,N′,N″,N‴,N‴-Octamethyl-[bi-2,4,6-cycloheptatriene-1-yl]- 3,3′-dicarboxamidinium Salts: Structure of the meso-Compound in Solution and in Solid State [1]." Zeitschrift für Naturforschung B 40, no. 10 (1985): 1390–97. http://dx.doi.org/10.1515/znb-1985-1025.

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3,3′-Bicycloheptatrienylamidinium salts 3 have been prepared by oxidative dimerization of 8 ,8 -bis(dimethylamino)heptafulvene (1). An X-ray structure analysis of the meso-octamethyl[bi-2,4,6-cycloheptatrienyl]3,3'-dicarboxamidinium-bis(triiodide) (3b) has been carried out. The dication 3 is centrosymmetric (Ci-symmetry) with boat shaped cycloheptatriene rings. The amidinium groups are twisted out of the plane of the C3(C3′)-C2(C2′) double bonds. The structure of the dication in the solid state is discussed in comparison with the structure in solution by aid of 1H NMR techniques. The N-methyls
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6

Reich, Hans J., and Jonathan E. Holladay. "Struktur von silylsubstituierten Allenyl/Propargyllithiumreagentien in Lösung." Angewandte Chemie 108, no. 20 (1996): 2498–501. http://dx.doi.org/10.1002/ange.19961082008.

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7

Wiedenfeld, Helmut. "Zur Struktur des PyramidonR-Thioharnstoff-Komplexes in Lösung." Archiv der Pharmazie 320, no. 3 (1987): 193–98. http://dx.doi.org/10.1002/ardp.19873200302.

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8

Wrackmeyer, Bernd. "NMR-Spektroskopie von Metallkernen in Lösung." Chemie in unserer Zeit 28, no. 6 (1994): 309–20. http://dx.doi.org/10.1002/ciuz.19940280610.

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9

Zhang, Hongxia, and Ruth M. Gschwind. "Identifizierung der Struktur präkatalytischer Phosphoramidit-Kupfer-Komplexe in Lösung." Angewandte Chemie 118, no. 38 (2006): 6540–44. http://dx.doi.org/10.1002/ange.200601880.

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10

Konrat, Robert, Martin Tollinger, Georg Kontaxis, and Bernhard Kräutler. "NMR-Spektroskopie von Wasserstoffbrücken in wäßriger Lösung." Monatshefte fuer Chemie/Chemical Monthly 130, no. 8 (1999): 961. http://dx.doi.org/10.1007/s007060050258.

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