Effects of long-range and homonuclear couplings on bilinear rotation pulses |
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| Institution: | 1. Nantes Université, CNRS, CEISAM UMR6230, F-44000 Nantes, France;2. Chemistry Research Laboratory, University of Oxford, Mansfield Road, Oxford OX1 3TA, UK |
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| Abstract: | Suppression of long-range heteronuclear interactions in J-resolved 2D NMR facilitates separate measurements of one-bond coupling constants. Analysis of the pulse sequence describes the efficiency of bilinear rotation in the presence of long-range couplings. It also predicts intensities of possible spurious responses. Theoretical and experimental evidence confirm that long-range couplings do not represent a serious obstacle against routine applications of spin manipulations in heteronuclear 2D NMR. |
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