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作者:John D. Roberts
出版商:McGraw-Hill
语言:英语
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Introduction. The Nuclear Resonance Phenomenon

1.1 Introduction

1.2 Nuclear Magnetic Resonance Spectrometers

1.3 Magnetic Properties of Nuclei. Nuclear Spin

1.4 Magnetic Quantum Numbers

1.5 Nuclear Precession

1.6 Nuclear Relaxation

1.7 Longitudinal Relaxation, $T_1$

1.8 Transverse Relaxation, $T_2$

1.9 The Nuclear Resonance Signal

1.10 Relaxation Effects on NMR Signals

1.11 Properties of Magnetic Nuclei of Interest to Organic Problems

The Chemical Shift

2.1 Introduction. The Chemical-shift Parameter

2.2 Measurement of Chemical Shift

2.3 Some Factors Which Influence $\delta$

2.4 Chemical Shifts for Other Nuclei

2.5 Proton $\delta$ Values and Electronegativity

2.6 $\delta$ and Hammett's a Constants

2.7 Resonance Signal Areas and Widths

2.8 Chemical Shifts and Organic Structure Determinations General Considerations

2.9 Illustrative Analysis of a Reaction Product

2.10 Accentuation of Chemical Shifts by Paramagnetic Salts

Spin-Spin Splitting

3.1 The High-resolution Ethanol Spectrum

3.2 Spin-Spin Splitting in a Single Crystal

3.3 Spin-Spin Splitting in Liquids

3.4 Spin-Spin Splitting in the Ethyl Group

3.5 More Complex Spin-Spin Splittings

3.6 Magnitudes of Coupling Constants

3.7 Coupling between Equivalent and Nearly Equivalent Protons

3.8 Spin-Spin Couplings in Rigid Systems

3.9 Spin-Spin Splitting and Molecular Asymmetry

Nuclear Magnetic Resonance and Reaction Kinetics

4.1 Introduction. Proton Exchange in Water-Acetic Acid Mixtures

4.2 Relationship between Resonance Line Shapes and Exchange Rates

4.3 Proton Exchange in Ethanol-Water Mixtures

4.4 Ethyl Acetoacetate and Its Enol Form

4.5 Rates of Rotation Around $\ce{-CO-N<}$ Bonds of Amides

4.6 Restricted Rotation in Ethane Derivatives

4.7 .Nitrogen Inversion Frequencies of Cyclic Imines

4.8 Proton Exchange in Ammonia and Ammonium Ions

Nuclear Quadrupole Relaxation Effects. Double Resonance

5.1 Proton Resonance Line Broadening by $\ce{^14N}$

5.2 Nuclear Quadrupoles and Quadrupole-induced Relaxation

5.3 Proton $\ce{N-H}$ Resonance of Pyrrole. Double Resonance

5.4 Quadrupole-induced Relaxation with Other Nuclei

5.5 Applications of Double Resonance