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US 7,598,738 B2Granted
Complete structure elucidation of molecules utilizing single NMR experiment
AssigneeVarian, Inc.
InventorEriks Kupce
Life of this patent
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Abstract
The complete structure of a molecule of interest is determined from a single NMR experiment utilizing a single NMR pulse sequence. The experiment utilizes the same pulse sequence for acquiring various one-dimensional and multi-dimensional spectra, with independent receivers tuned to individual resonance frequencies.
Claims20
A NMR method of accruing spectral information from molecules by determining the structure of a sample molecule, the method comprising:
- applying an NMR pulse sequence to H and X1 nuclei of the sample molecule, wherein H designates a proton and X1 designates a magnetically active heteronucleus;
- while applying the NMR pulse sequence, acquiring two-dimensional X1-X1 correlation spectra by operating a first RF receiver tuned to the X1 frequency;
- and
- while applying the same NMR pulse sequence, acquiring three-dimensional X1-H correlation spectra by operating a second RF receiver tuned to the H frequency, the second RF receiver being separate and operated independently from the first RF receiver,
- wherein the spectral information on the proton and the magnetically active heteronucleus is recorded simultaneously utilizing said NMR pulse sequence and said first and second independently operated RF receivers.
2 more elements
Dependencies are inferred from the claim text.