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'Cyclic Heterodienes' in keywords Facet   Publication Year 1995  [X]
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1995[X]
1Author    Bernd Wrackmeyer, Roland Köster, G. Ünter SeidelRequires cookie*
 Title    Tricarbonyliron Complexes - Observation of 13C(CO) NMR Signals via Polarization Transfer  
 Abstract    Improvements in the detection of 13C(CO) res­ onances by using polarization transfer techniques, based on long-range coupling constants "7(13C (C O)1H) = 1 ± 0.1 Hz (n > 3), are reported. Coupling constants between 13C(CO) and other rare spin-1/2 nuclei have been observed, and long-range 13C (C O)-'H coupling have been traced by two-dimensional (2 D) 13C/'H heteronuclear shift correlations (H ETC O R). Seven tricarbonyliron com plexes 1 to 5 serve as examples in which the [Fe(C O)3] fragment is linked to cyclic dienes (si-loles: la, b; l,l'-spirobisilole: 2), and to cyclic het­ erodienes derived from substituted 
  Reference    Z. Naturforsch. 50b, 1127—1129 (1995); received November 17 1994 
  Published    1995 
  Keywords    Tricarbonyliron Complexes, Cyclic Dienes, Cyclic Heterodienes, 13C NM R Spectra 
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 TEI-XML for    default:Reihe_B/50/ZNB-1995-50b-1127_n.pdf 
 Identifier    ZNB-1995-50b-1127_n 
 Volume    50