Answers

2015-04-25T09:25:38+05:30
They are especially valuable for distinguisning isomers, such as cistrans isomersof double bonds.shift reagents are not used to simplify spectra.they have sometimes been used for conformational analysis, but this is contrained to the lanthanide in the confomation of the molecule.
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2015-04-27T20:09:38+05:30
EuFOD is the chemical compound with the formula Eu(OCC(CH3)3CHCOC3F7)3, also called Eu(fod)3. This coordination compound is used primarily as a shift reagent in NMR spectroscopy. It is the premier member of the lanthanide shift reagents and was popular in the 1970s and 1980s.
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