Recent Advances in Organic NMR SpectroscopyJoseph B. Lambert, Roberto Rittner Instrumentation. Chemical shift. Coupling constants. Relaxation. Two dimensional NMR. Conformational analysis. Natural products. Liquid crystals. Imaging. |
Contents
CHEMICAL SHIFT | 17 |
COUPLING CONSTANTS | 43 |
SpinSpin Coupling in Peptides | 65 |
Copyright | |
10 other sections not shown
Common terms and phrases
13C NMR acids analysis anisotropy antibonding aromatic assignments axis base carbons bond calculated carbon carbon chemical shifts carbon-13 NMR carbonyl carbonyl carbon Chem chemical shielding chemical shift component compounds conformational contribution correlation coupling constants curves d(GGTATACC dependence diamagnetic dihedral angle dipolar couplings distance doublets duplex effect electron experimental frequency function gradient H H H hexamer higher field imaging increases interaction internal motion inversion IPPP linear liquid crystals LMOs macrocyclic Magn magnetic field method methyl molecular orbitals molecules NMR spectra NMR spectroscopy nuclear nuclei nucleotides observed obtained octamer orbital angular momentum paramagnetic parameters peaks perturbators Phys protons quadrupolar R. H. Contreras relaxation Reson roridin rotation selenophene shielding tensor shown in Figure solution solvent spectrum spin spin-lattice relaxation spin-spin coupling spin-spin coupling constants structure studies substituent sugar carbons symmetry Table technique temperature transition trichothecenes upfield shift values