The use of shift reagents for the simplification of proton magnetic resonance spectra received tremendous attention during the last two years 192 . With only few
Interactions of benzocycloalkenols with tris(dipivalomethanato)europium
β Scribed by Patrick, Timothy B.; Patrick, Ping H.
- Book ID
- 127002467
- Publisher
- American Chemical Society
- Year
- 1973
- Tongue
- English
- Weight
- 589 KB
- Volume
- 95
- Category
- Article
- ISSN
- 0002-7863
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## Abstract The complexation of the shift reagent trisβ(dipivalomethanato)βeuropium with pyridine in deuteriochloroform has been studied by means of ^1^HβNMR. Shift parameters __S__ = 28.0, 9.9, and 9.2 ppm respectively for pyridine protons 2, 3 and 4 are obtained. The results indicate that the shi
The total synthesis of racemic nootkatone (L), a sesquiterpenoid whose (+)-antipode is found in grapefruit', has been reported independently by Schudel' and Marshal13. The following describes a synthesis leading to a series of compounds related to 1. (+)-Dihydrocarvone4 (2) was prepared from (-)-ca
Several reports1 have appeared on the usefulness of tria(dipivalaaethanato)europim(IIl) [Eu(DPM)d for simplifying the nmr spectra of alcohols by causingparamagnetic shifts, the magnitude of which depends on the distance of the protons tbrou&bomia or apace f'rmthe europium atom ccmplexed to the oxyg