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  IR-spektroskopische Untersuchungen an NH- und ND-Formazanen

Otting, W., & Neugebauer, F. A. (1968). IR-spektroskopische Untersuchungen an NH- und ND-Formazanen. Zeitschrift für Naturforschung, B: A Journal of Chemical Sciences, 23(8), 1064-1071. doi:10.1515/znb-1968-0809.

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ChemBerichte_102_1969_2520.pdf (Any fulltext), 618KB
 
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 Creators:
Otting, Walter1, Author           
Neugebauer, Franz A.2, Author           
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1Max Planck Institute for Medical Research, Max Planck Society, ou_1125545              
2Department of Organic Chemistry, Max Planck Institute for Medical Research, Max Planck Society, ou_1497706              

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 Abstract: The solid and solution IR spectra of the yellow formazans (1) show in most cases a strong J'(NH) or ν (ND) band. The ν (NH) absorption of the red formazans (2) is so weak (ε ≈ 1 [liter mole-1 cm-1]), that it is only observed in solutions and with long path length. In the case of C-ethoxycarbonyl-N.N′-diphenylformazan opening of the intramolecular N — H - - - N hydrogen bridge by light gives rise to a new intramolecular N — H - - - O hydrogen bridge. The nuclear N — H resonance of the red formazans is shifted far to low field (14 p. p.m.).

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Language(s): deu - German
 Dates: 1968-01-202014-06-021968-08
 Publication Status: Issued
 Pages: 8
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 Rev. Type: Peer
 Identifiers: DOI: 10.1515/znb-1968-0809
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Title: Zeitschrift für Naturforschung, B: A Journal of Chemical Sciences
  Abbreviation : Z. Naturforsch., B: J. Chem. Sci.
Source Genre: Journal
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Publ. Info: Berlin : Walter de Gruyter GmbH
Pages: - Volume / Issue: 23 (8) Sequence Number: - Start / End Page: 1064 - 1071 Identifier: ISSN: 0932-0776
CoNE: https://pure.mpg.de/cone/journals/resource/954927655916