期刊
JOURNAL OF NATURAL PRODUCTS
卷 65, 期 2, 页码 221-244出版社
AMER CHEMICAL SOC
DOI: 10.1021/np010444o
关键词
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The relative merits of different pairs of two-dimensional NMR pulse sequences (COSY-90 vs, COSY-45, NOESY vs T-ROESY, HSQC vs HMQC, HMBC vs CIGAR, etc.) are compared and recommendations are made for the preferred choice of sequences for natural product structure elucidation. Similar comparisons are made between different selective ID sequences and the corresponding 2D sequences. Many users of 2D NMR use longer than necessary relaxation delays and neglect to use forward linear prediction processing. It is shown that using shorter relaxation delays in combination with forward linear prediction allows one to get better resolved spectra in less time. The relative merits of different probes and likely future probe developments are also discussed.
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