Please use this identifier to cite or link to this item: http://hdl.handle.net/11717/11904
Title: 119/117/115Sn low-abundance single-transition correlation spectroscopy (LASSY): Sensitivity-enhanced homonuclear correlation experiments for Sn NMR
Authors: George, C .
Chandrakumar, N.
Issue Date: 2010
Citation: Magnetic Resonance in Chemistry, 48(12), 912-917
Abstract: We report the implementation of our novel rare-spin homonuclear correlation experiment, namely, Low-Abundance Single-transition correlation SpectroscopY (LASSY), for 119/117/115Sn NMR at natural abundance. Our pulse sequence results in diagonal suppressed COSY-style display and outperforms the optimal homonuclear correlation experiment for rare spins, which involves double quantum evolution (INADEQUATE CR). The new experiment maximizes efficiency both in respect of pulse transformations as well as relaxation effects, and gives rise to a simplified two-dimensional (2D) spectrum with considerably reduced crowding, exhibiting only one transition in each cross peak, instead of four. Performance optimization of LASSY is carried out in light of the relatively large line widths typical of Sn NMR in solution state. The superior performance of the sequence is demonstrated on dimeric tetraorganodistannoxane samples. � 2010 John Wiley & Sons, Ltd.
URI: http://dx.doi.org/10.1002/mrc.2686
http://hdl.handle.net/11717/11904
ISSN: 7491581
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