Annual reports on NMR spectroscopy. Vol.77 / ed. by G.A. Webb. - Oxford; London: Academic Press, 2012. - ix, 362 p.: ill. - Incl. bibl. ref. - Ind.: p.353-362. - ISBN 978-0-12-397020-6  Место хранения:   032 | Институт органической химии им. Н.Н.Ворожцова СО РАН | Новосибирск | Библиотека

Оглавление / Contents

Contributors .................................................... 7 Preface ........................................................ ix 1 Recent Advances in Nuclear Shielding Calculations ............ 1 Angel C. de Dios and Cynthia J. Jameson 1 Overview of This Review ................................... 4 2 Advances in Methods of Calculation ........................ 5 3 Local Effects on Shielding: Single Molecules, Clusters, and Fragments ............................................ 15 4 Shielding in Extended Networks ........................... 25 5 Dynamic Averaging of Shielding ........................... 42 6 Extracting Information from NMR Chemical Shifts with the Help of Theoretical Calculations ..................... 54 References .................................................. 61 2 Pure Phase Encode Magnetic Resonance Imaging of Fluids in Porous Media ................................................ 81 Colleen E. Muir and Bruce J. Balcom 1 Introduction ............................................. 82 2 Relaxation in Porous Media ............................... 83 3 Frequency Encoding and Phase Encoding .................... 85 4 Applications of SPRITE ................................... 97 5 Spin Echo Single Point Imaging .......................... 101 6 Applications of SE-SPI .................................. 107 7 Conclusions ............................................. 110 Acknowledgments ............................................ 111 References ................................................. 111 3 Steroids and NMR ........................................... 115 Martin Jaeger and Ruud L.E.G. Aspers 1 Prologue ................................................ 116 2 An Introduction to Steroids ............................. 116 3 Structure Elucidation of Steroids ....................... 134 4 Applied NMR Methodology in Steroid Analysis ............. 171 5 Computer-Assisted Structure Elucidation ................. 189 6 Modern and Rare NMR Methods in the Steroid Field ........ 211 7 Conclusion and Considerations ........................... 225 Acknowledgments ............................................ 235 References ................................................. 235 4 Structural Characterization of Zeolites by Advanced Solid State NMR Spectroscopic Methods ...................... 259 Luis Mafra, José Alejandro Vidal-Moya, and Teresa Blasco 1 Introduction ............................................ 260 2 29Si NMR: Structural Characterization of Zeolites ....... 264 3 27Al NMR of Zeolites .................................... 276 4 11B NMR of Boron Containing Zeolites: Trigonal Boron .... 295 5 1H NMR Spectroscopy: Zeolite Bronsted Acid Sites and the Use of Probe Molecules .............................. 299 6 Advance Methods: Theoretical and Practical Aspects ...... 301 7 Conclusions ............................................. 338 Acknowledgements ........................................... 338 References ................................................. 338 Index ......................................................... 353