By Matthias Findeisen,Stefan Berger
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Additional resources for 50 and More Essential NMR Experiments. A Detailed Guide
2-1 4. Acquisition Special values used for the spectrum shown: Sample: 3% strychnine in CDCl3. Time requirement: 5 h Spectrometer: Bruker DRX-600 with 5-mm-TBI-probe Common values: p1: 90° 1H transmitter pulse p2,p3: 180° 1H transmitter pulse at spin lock power n: integer loop counter determines the spin lock length n = length / (p2+p3) d1: relaxation delay t1: evolution increment 41 Advanced Organic NMR Fig. 2-1: A. A. 5 dB 8 832 (corresponds to spin lock of 300 ms) 16 5. Processing 19 18 td2: td1: sw2: sw1: aq2: aq1: o1: d1: p1: p2, p3: ds: n: ns: 20 15 14 21 H 22 11 HO 24 23 Apply zero-¿lling in F1 to 1K real data points to obtain a symmetrical matrix of 1K × 1K real data points.
8] R. Wagner, S. Berger, "ACCORD-HMBC: A superior technique for structural elucidation" Magn. Reson. Chem. 1998, 36, S44–S46.  R. Burger, C. Schorn, P. Bigler, "HMSC: Simultaneously detected heteronuclear shift correlation through multiple and single bonds" J. Magn. Reson. 2001, 148, 88–94.  N. T. Nyberg, J. O. Duus, O. W. Soerensen, "Editing of H2BC NMR spectra" Magn. Reson. Chem. 2005, 43, 971–974.  T. E. Burrow, P. G. Enriquez, W. F. Reynolds "The signal/noise of an HMBC spectrum can depend dramatically upon the choice of acquisition and processing parameters" Magn.
1984, 58, 370– 388.  R. Wagner, S. Berger "Gradientselected NOESY—A fourfold reduction of the measurement time for the NOESY experiment" J. Magn. Reson. Ser. A 1996, 123, 119–121. 21 The Organic Set  T. Parella, F. Sánchez-Ferrando, A. Virgili "Quick recording of pure absorption 2D TOCSY, ROESY, and NOESY spectra using pulsed ¿eld gradients" J. Magn. Reson. 1997, 125, 145– 148.  M. J. Thrippleton, J. Keeler "Elimination of zero quantum interference in two-dimensional NMR spectra" Angew.