Nuclear Magnetic Resonance Spectroscopy of Boron Compounds
(Sprache: Englisch)
The revolutionary impetus of the NMR methods in organic chemistry has parallels in the field of boron chemistry. lIB NMR spectroscopy provided a basis for the elucida tion of structures and reactions of the boron hydrides. However, although many studies...
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The revolutionary impetus of the NMR methods in organic chemistry has parallels in the field of boron chemistry. lIB NMR spectroscopy provided a basis for the elucida tion of structures and reactions of the boron hydrides. However, although many studies have been carried out with the higher boranes, carboranes, metalloboranes, etc. , and although certain patterns have emerged, the correlation between the observed chemical shift and the assigned structural unit is still not fully understood. Therefore, predictions in this area are still rather limited, and semiquantitative interpretations are not yet pos sible. Several years ago Eaton and Lipscomb sUpImarized the status in this field in their book "NMR Studies of Boron Hydrides and Related Compounds" and a plethora of new data has accumulated since then. The book also contained material on simple bo rane derivatives, but they were not discussed in any detail. On the other hand many systematic studies, both synthetic and spectroscopic, have been conducted on these simple boron materials in the last decade. Thus a large amount of NMR information is available, not only on lIB but also on 1 H, 1 3 C, and 14 N. However, this information is widely scattered in the literature, and often the data are not discussed at all. It see med appropriate, therefore, to collect these data and to present them in one volume.
Inhaltsverzeichnis zu „Nuclear Magnetic Resonance Spectroscopy of Boron Compounds “
1 Introduction and Scope.- 1.1. Application of 11 B NMR Spectroscopy.- 1.2. Scope.- Literature to Chapter 1.- 2 Nuclear Magnetic Properties of Boron.- 2.1. The Isotopes 10 B,11 B.- 2.2. Information from Boron NMR Data.- 2.3. Chemical Shifts.- 2.4. Spin-Spin Coupling.- Literature to Chapter 2.- 3 11B NMR of Two-Coordinate Boron.- 4 11B Chemical Shifts of Three-Coordinate Boron.- 4.1. Survey of Substituent Effects.- 4.2. Triorganylboranes.- 4.3. Halogenoboranes.- 4.4. Boranes with Boron-Oxygen Bonds.- 4.5. Boranes with Boron-Sulfur Bonds.- 4.6. Boranes with Boron-Selenium Bonds.- 4.7. Boranes with Boron-Nitrogen Bonds.- 4.8. Diboron and Polyboron Compounds.- 4.9. Boranes with Boron-Hydrogen Bonds.- 4.10. Boranes with Boron-Silicon, Boron-Germanium, Boron-Tin, and Boron-Lead Bonds.- 5 11B NMR of Transition Metal Boron Compounds.- 6 11B NMR of Diborane and Derivatives.- 6.1. Diborane.- 6.2. Organyldiboranes.- 6.3. µ-Substituted Diboranes.- 6.4. Heptahydrodiborates and µ-Substituted Derivatives.- 7 11B NMR of Tetracoordinate Boron.- 7.1. Metal Tetrahydroborates.- 7.2. Substituted Metal Tetrahydroborates.- 7.3. Metal Borates MBX4 and [BX4-nYn].- 7.4. Donor-Acceptor Complexes.- 8 Spin-Spin Coupling Constants nJ(11 BX).- 8.1. Spin-Spin Coupling Between Boron and Hydrogen.- 8.2. Boron-Boron Coupling Constants.- 8.3. Coupling Constants of Boron and Group IV Elements.- 8.4. Spin-Spin Coupling Between Boron and Group V Elements.- 8.5. Coupling Between Boron and Group VI Elements.- 8.6. Coupling Between Boron and Fluorine.- 8.7. Spin-Spin Coupling Between Boron and Transition Metals.- 9 Tables of 11B-NMR Data.- 9.1. Remarks on the Organization of the Tables.- 9.2. List of Tables, Including Structural Symbols.- 9.3. Tables.- 9.4. CA Formula Index.- References.- Author Index.
Bibliographische Angaben
- Autoren: Heinrich Nöth , Bernd Wrackmeyer
- 2012, Softcover reprint of the original 1st ed. 1978, 464 Seiten, Maße: 17,2 x 24,5 cm, Kartoniert (TB), Englisch
- Verlag: Springer, Berlin
- ISBN-10: 3642667597
- ISBN-13: 9783642667596
Sprache:
Englisch
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