## Abstract The equimolar mixtures of typical lanthanide shift reagents such as Eu(fod)~3~, Pr(fod)~3~ or Yb(fod)~3~ with silver trifluoroacetate, previously used to induce paramagnetic shifts in the ^1^H NMR spectra of alkenes, have been successfully applied to simple aromatic hydrocarbons such as
The origin of shifts induced by complex silver-lanthanide shift reagents in 1H NMR spectra of unsaturated hydrocarbons
✍ Scribed by Anna Da̧mbska; Andrzej Janowski
- Publisher
- Elsevier Science
- Year
- 1984
- Weight
- 407 KB
- Volume
- 59
- Category
- Article
- ISSN
- 0022-2364
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
## Abstract The complexation of four 1,6‐anhydro‐β‐D‐hexopyranoses with europium(III) was studied in aqueous solution by natural abundance ^17^O NMR. The paramagnetic ion induced contact shifts of individual hydroxy and ether resonances to low frequency. A clear indication of tridentate complexes w
Binuclear lanthanide(III)-silver(I) f3-diketonate chelates are effective N M R shift and relaxation reagents for substrates containing one or two multiply bonded nitrogen atoms, despite the fact that some of the substrates are able to react with lanthanide chelates alone. The silver cation is bonded
## Abstract Bulk susceptibility variations in a multiphase system such as cultured cells and tissue have two manifestations: a dipolar field component outside the regular heterogenous region which introduces linebroadening, and an isotropic field part which results in a frequency shift. Previous NM