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1986 (1)
1Author    Alfred Schmidpeter, Bernd WrackmeyerRequires cookie*
 Title    14N and 15N-NMR Spectroscopy of Diazaphospholes and the Linear Correlation of the Chemical Shift of Two-Coordinate N and P  
 Abstract    A systematic natural abundance 15N NM R study o f diazaphospholes is presented for the first tim e, giving accurate values for chemical shifts, 6 N , and coupling constants / (31P 15N), /(^ N 'H). 14N N M R spectra can be used to predict the magnitude o f '/ (31P 14N) if the broadening o f the 31P resonance by scalar relaxation is known. The relaxation behaviour o f the 14N nuclei corresponds to that found in azoles indicating a comparable electronic ground state structure. The com parison o f the chem ical shifts, <5N, in the diazaphospholes with (5N o f corresponding triazoles reveals differences which can be traced to the N —P cr-bonds and to the influence o f the phosphorus atom on the jr-system. A linear correlation (5N/<5P exists coordinate nitrogen and phosphorus, respectively. 
  Reference    Z. Naturforsch. 41b, 553 (1986); eingegangen am 20. Januar 1986 
  Published    1986 
  Keywords    Diazaphospholes, 15N NMR Spectra, PN Coupling Constants, ö N /ö P Correlation 
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 TEI-XML for    default:Reihe_B/41/ZNB-1986-41b-0553.pdf 
 Identifier    ZNB-1986-41b-0553 
 Volume    41