Lanthanide Induced Shifts in the Proton Magnetic Resonance Spectra of Cyclic Amines
- 15 December 1973
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Chemistry
- Vol. 51 (24) , 4080-4081
- https://doi.org/10.1139/v73-608
Abstract
Complex formation between europium tris(dipivalatomethane), Eu(DPM)3, and cyclic amines is not accompanied by inversion of the amine configuration, even for 2-alkyl and 2,6-dialkylpiperidines, where inversion of the amine configuration accompanies formation of the usual amine derivatives. There is, however, a steric effect of C-2 or C-6 substitution, in that the magnitude of the lanthanide induced shifts is sharply reduced.Keywords
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