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'13 C NMR Spectra' in keywords Facet   Publication Year 1982  [X]
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1982[X]
1Author    MohammadAtaullah Khan, Hans Horn, Wolfgang VoelterRequires cookie*
 Title    Isolierungen und 11 C-NMR-Spektroskopie von Indoleninalkaloiden Isolation and 13 C NMR Spectroscopy of Indolenine Alkaloids  
 Abstract    The indolenine alkaloids raucaffricine and perakine were isolated from Rauwolfia caffra Sonder and their PFT 13 C{ 1 H}-NMR spectra studied for the first time. The interpretations of their spectra were accomplished in correlating with those of quinuclidine, indole, methyl-a-D-galactopyranoside, methyl-ß-D-galactopyranoside, methyl-2,6-di-0-methyl-a-D-galactopyranoside and methyl-3-O-methyl-/S-D-galactopyranoside. 
  Reference    Z. Naturforsch. 37b, 494—498 (1982); eingegangen am 13. Oktober 1981 
  Published    1982 
  Keywords    13 C NMR Spectra, Indolenine Alkaloids, Rauaffricine, Perakine 
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 TEI-XML for    default:Reihe_B/37/ZNB-1982-37b-0494.pdf 
 Identifier    ZNB-1982-37b-0494 
 Volume    37 
2Author    Hans Geiger, Sven Reichert, KenR. MarkhamRequires cookie*
 Title    Herbacetin-3-/9-D-(2-0-/?-D-glucopyranosidoglucopyranosid)- 8-/?-D-glucopyranosid und Gossypetin-3-^-D-(2-0-^-D-glucopyranosido- glucopyranosid)-8-ß-D-glucopyranosid, zwei neue Flavonolglykoside aus Equisetum hyemale L. (Equisetaceae) Herbacetin-3-/S-D-(2-0-/3-D-glucopyranosidoglucopyranoside)-8-/?-D-glucopyranoside and Gossypetin-3-/3-D-(2-0-/9-D-glucopyranosidoglucopyranoside)-8-/3-D-glucopyTanoside, two New Flavonol-glycosides from Equisetum hyemale L. (Equisetaceae)  
 Abstract    Two new flavonol glycosides, herbacetin-and gossypetin-3-/3-D-(2-0-/3-D-glucopyrano-sidoglucopyranoside)-8-ß-D -glucopyranoside have been isolated from the aerial parts of Equisetum hyemale L. together with the known kaempferol-3-/?-D-(2-0-/S-D-glucopyrano-sidoglucopyranoside) -7-ß-D -glucopyranoside. 
  Reference    Z. Naturforsch. 37b, 504—507 (1982); eingegangen am 12. November 1981 
  Published    1982 
  Keywords    Equisetum hyemale, Equisetaceae, Herbacetin-glycosides, Gossypetin-glycosides, 13 C NMR Spectra 
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 TEI-XML for    default:Reihe_B/37/ZNB-1982-37b-0504.pdf 
 Identifier    ZNB-1982-37b-0504 
 Volume    37 
3Author    Bernd WrackmeyerRequires cookie*
 Title    Austauschreaktionen von Tri-/i -butylethinylstannan mit Zinntetrachlorid und Zinntetrabromid -Anwendung der 119 Sn-NMR Spektroskopie Exchange Reactions between Tri-n-butyl Ethynyl Stannane and Tintetrachloride and Tintetrabromide -Application of U9 Sn NMR Spectroscopy  
 Abstract    The formation of ethynyl stannanes Xra Sn(C = C-H)4 -n (X = Cl, Br; n — 0—3) via ex-change reactions between tri-n-butvl ethynyl stannane and SnX4 is readily monitored by 119 Sn NMR spectroscopy. Advantages of il9 Sn NMR as compared with iH or 13 C NMR are discussed. The 119 Sn and 13 C NMR parameters (<5 119 Sn, <5 13 C, W (119 Sn 13 C), WpCiH)) for these reaction mixtures are reported. Tri-n-butyl ethynyl stannane and bis(tri-n-butyl-stannyl)ethyne are both obtained from the reaction of tri-n-butylstannylchloride with L^Ca in hexane in the presence of excess ethyne. 
  Reference    Z. Naturforsch. 37b, 1524—1528 (1982); eingegangen am 7. Juli 1982 
  Published    1982 
  Keywords    Exchange Reactions, Ethynyl Stannanes, 119 Sn NMR Spectra, 13 C NMR Spectra 
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 TEI-XML for    default:Reihe_B/37/ZNB-1982-37b-1524.pdf 
 Identifier    ZNB-1982-37b-1524 
 Volume    37 
4Author    Martin Feigel+, Gerhard Hägele, >.* Axel Hinke, Gudrun TossingRequires cookie*
 Title    Beispiel: L-Menthyldichlorphosphan Applications of the 2D NMR Spectroscopy in the Organophosphorus Chemistry Example: L-Menthyldichlorophosphine  
 Abstract    2D NMR ist used to determine the X H NMR parameters of L-Menthyldichlorophosphine. 13 C NMR data are given. 
  Reference    Z. Naturforsch. 37b, 1661—1664 (1982); eingegangen am 10. August 1982 
  Published    1982 
  Keywords    m NMR Spectra, 13 C NMR Spectra, 2D NMR Spectra, L-Menthyldichlorophosphine 
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 TEI-XML for    default:Reihe_B/37/ZNB-1982-37b-1661_n.pdf 
 Identifier    ZNB-1982-37b-1661_n 
 Volume    37 
5Author    Christian Reichardt, Ulrich RustRequires cookie*
 Title    Synthesen mit aliphatischen Dialdehyden, XXXII [1] Darstellung und Reaktionen N-substituierter 2-Aminomalondialdehyde Syntheses with Aliphatic Dialdehydes, XXXII [1] Syntheses and Reactions of N-Substituted 2-Aminomalondialdehydes  
 Abstract    The 2-amino malondialdehyde bis[dimethylacetal] 2 and some of its N-monosubstituted derivatives 7 a-d as well as the o-carboxy benzoyl malondialdehyde 12 have been prepared. With heterocyclic imonium salts these amino malondialdehyde derivatives form, by a twofold condensation reaction, the y-acylamino-substituted pentamethine cyanine dyes 15 a-c, 17, and 18a-b, the UV/Vis and 13 C NMR spectra of which are recorded with respect to the influence of the y-substituent on these spectra. 
  Reference    Z. Naturforsch. 37b, 236—245 (1982); eingegangen am 22. September 1981 
  Published    1982 
  Keywords    2-Aminomalondialdehyde Derivatives, y-Acylaminopentamethinecyanine Dyes, UV/Vis Spectra, 13 C NMR Spectra 
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 TEI-XML for    default:Reihe_B/37/ZNB-1982-37b-0236.pdf 
 Identifier    ZNB-1982-37b-0236 
 Volume    37 
6Author    Bernd WrackmeyerRequires cookie*
 Title    U B-und 18 C-NMR-Spektroskopie von riic7o-Hexaalkyl-2.3.4.5-tetracarbahexaboranen(6) n B and 13 C NMR Spectroscopy of 7iüZo-Hexaalkyl-2,3,4,5-tetracarbahexaboranes(6)  
  Reference    Z. Naturforsch. 37b, 412—419 (1982); eingegangen am 26. Oktober 1981 
  Published    1982 
  Keywords    U B NMR Spectra, 13 C NMR Spectra, nido -Hexaalky 1 -2, 3, 4, 5-tetracarbahexaboranes( 6) 
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 TEI-XML for    default:Reihe_B/37/ZNB-1982-37b-0412.pdf 
 Identifier    ZNB-1982-37b-0412 
 Volume    37