Contact and pseudo-contact lanthanide-induced shifts in the nuclear magnetic resonance spectrum of quinoline
- 1 January 1974
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 2
- No. 7,p. 748-752
- https://doi.org/10.1039/p29740000748
Abstract
Contact shifts produced by trisdipivaloylmethanatogadolinium [Gd(dpm)3] are used to analyse the observed 1H and 13C lanthanide-induced shifts of quinoline with Ln(dpm)3 complexes (Ln = Pr, Nd, Eu, Dy, Ho, Er, and Yb). The analysis gives varying contact and pseudo-contact contributions for the lanthanides, the former depending on 〈Sz〉 and the degree of covalency of the Ln–N bond, and the latter in agreement with theory.Keywords
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