An analysis of paramagnetic shifts in proton NMR spectra of non-radical lanthanide(III)-phthalocyanine sandwich complexes
1989; Elsevier BV; Volume: 160; Issue: 2 Linguagem: Inglês
10.1016/0009-2614(89)87576-1
ISSN1873-4448
AutoresHideo Konami, Masahiro Hatano, Akio Tajiri,
Tópico(s)Metal-Catalyzed Oxygenation Mechanisms
ResumoProton NMR spectra of [NBu4] [Ln(III)Pc2] ([NBu4] = tetra (n-butyl)ammonium; Ln = Y, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Tm, Er, Yb and Lu; Pc = phthalocyanine) are reported. Analysis of NMR and UV-visible spectra suggests a highly symmetrical structure for [LnPc2]− in solution. Contact shifts and pseudo-contact shifts were separated from the observed paramagnetic shifts by a statistical analysis and the results compared with data from other LSR complexes.
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