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Author : Katherine Násfay Scott
Publisher :
ISBN 13 :
Total Pages : 210 pages
Book Rating : 4.:/5 (11 download)
Download or read book NMR Spectroscopy of Some Nitrogen-boron Compounds written by Katherine Násfay Scott and published by . This book was released on 1966 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Heinrich Nöth
Publisher : Springer Science & Business Media
ISBN 13 : 3642667570
Total Pages : 474 pages
Book Rating : 4.6/5 (426 download)
Download or read book Nuclear Magnetic Resonance Spectroscopy of Boron Compounds written by Heinrich Nöth and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 474 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Author : Kurt Niedenzu
Publisher : Springer Science & Business Media
ISBN 13 : 3642858260
Total Pages : 184 pages
Book Rating : 4.6/5 (428 download)
Download or read book Boron-Nitrogen Compounds written by Kurt Niedenzu and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although the chemistry of boron is still relatively young, it is developing at a pace where even specific areas of research are difficult to compile into a monograph. Besides the boron hydrides, boron-nitrogen compounds are among the most fascinating derivatives of boron. Nitrogen compounds exist in a wide variety of molecular structures and display many interesting properties. The combination of nitrogen and boron, however, has some unusual features that are hard to match in any other combination of elements. This situation was first recognized by ALFRED STOCK and it seems proper to pay tribute to his outstanding work in the area of boron chemistry. One should realize that about forty years ago, STOCK and his coworkers had to develop completely new experimental techniq'\les and that no guidance for the interpreta tion of their rather unusual data had been advanced by theoretical chemists. In this monograph an attempt has been made to explore the general characteristics of structure and the principles involved in the preparation and reactions of boron-nitroge~ compounds. It was a somewhat difficult task to select that information which appears to be of the most interest to "inorganic and general chemistry" since the electronic relationship between a boron-nitrogen and a carbon-carbon grouping is reflected in the "organic" character of many of the reactions and compounds.
Author : Kurt Niedenzu
Publisher :
ISBN 13 :
Total Pages : 352 pages
Book Rating : 4.3/5 (91 download)
Download or read book Boron-nitrogen Chemistry written by Kurt Niedenzu and published by . This book was released on 1964 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Anton Meller
Publisher : Springer Science & Business Media
ISBN 13 : 3662061414
Total Pages : 278 pages
Book Rating : 4.6/5 (62 download)
Download or read book B Boron Compounds written by Anton Meller and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 278 pages. Available in PDF, EPUB and Kindle. Book excerpt: The present issue, Volume 3a of "Boron Compounds" 4th Supplement of the Gmelin Hand book, presents the description of boron nitride and a part of other boron compounds containing nitrogen. Volume 3 b (to be published Later) will complete the presentation of the boron-nitrogen compounds and will also cover boron compounds containing fluorine. Due to technical circumstances, Volume 1 (systems with hydrogen) and Volume 2 (systems with oxygen) of this particular supplement will be published subsequently, whereas Volume 4 (boron compounds containing CL, Br, I, S, Se, and Te, as well as a section containing carboranes) has already been published. ALL volumes of the 4th Supplement will be augmented by a formula index. The IUPAC nomenclature is generally adhered to; occasional abbreviations for compounds are explained in the text. A positive sign for the chemical shifts of the NMR signals indicates a 1 13 downfield shift from the references, usually internal (CH ) Si for 6 H and 6 C and external 3 4 11 (C H h0-BF for 6 B, others being specified. 2 5 3 In contrast to more recent publications but remaining consistent with the previous volumes of the Boron Series, the iminoborane structure is written as B=N and not as B=N. In fact, the real electronic structure is more realistically symbolized by B=N, but it seems reasonable to avoid =NR in accordance with the commonly accepted "iminoborane" nomenclature.
Author : Gert Heller
Publisher : Springer Science & Business Media
ISBN 13 : 3662061503
Total Pages : 313 pages
Book Rating : 4.6/5 (62 download)
Download or read book Boron and Oxygen written by Gert Heller and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 313 pages. Available in PDF, EPUB and Kindle. Book excerpt: The present issue, Volume 2 of "Boron Compounds" 4th Supplement of the Gmelin Hand book, updates the previous issues by reporting the literature on boron-oxygen systems published up to 1988. For some important recent developments literature is covered through mid-1992; this concerns, for example, the compounds ~-Ba3[B306h and U[B305J which became of interest as materials with nonlinear optical properties. The volume directly com plements the earlier "Boron Compounds" 3rd Supplement Volume 2. In the original literature, alternative formulations are frequently used for the same com pound. This is especially true for many borates. Often, these species are neither completely heteropolar nor covalent, and an experimentally based decision has not been made. Hence, the use of brackets does not necessarily reflect a truly salt-like character. Volume 1 (systems with hydrogen and noble gases) of this particular supplement will be published subsequently, whereas Volume 3a (boron and nitrogen), Volume 3b (boron and nitrogen, boron and fluorine), and Volume 4 (boron compounds containing Cl, Br, I, S, Se, and Te, as well as a section containing carboranes) have already been published. All volumes of the 4th supplement will be augmented by a formula index. The IUPAC nomenclature is generally adhered to; thf means tetrahydrofuran; and occa sionally additional abbreviations for compounds are explained in the text. Positive signs for chemical shifts of the NMR signals indicates downfield shifts from the references, usually internal (CH3)4Si for olH and 013C with others being specified.
Author : Gareth R. Eaton
Publisher :
ISBN 13 :
Total Pages : 680 pages
Book Rating : 4.3/5 (91 download)
Download or read book NMR Studies of Boron Hydrides and Related Compounds written by Gareth R. Eaton and published by . This book was released on 1969 with total page 680 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Earl L. Muetterties
Publisher :
ISBN 13 :
Total Pages : 730 pages
Book Rating : 4.3/5 (91 download)
Download or read book The Chemistry of Boron and Its Compounds written by Earl L. Muetterties and published by . This book was released on 1967 with total page 730 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : H. Steinberg
Publisher : Elsevier
ISBN 13 : 1483224899
Total Pages : 499 pages
Book Rating : 4.4/5 (832 download)
Download or read book Progress in Boron Chemistry written by H. Steinberg and published by Elsevier. This book was released on 2013-09-03 with total page 499 pages. Available in PDF, EPUB and Kindle. Book excerpt: Progress in Boron Chemistry, Volume I is a 10-chapter text that covers the advances in the chemistry of various boron compounds and their applications. The opening chapter deals with the chemistry of compounds containing boron-boron bonds, followed by a brief overview of some aspects of the coordination chemistry of boron. The subsequent chapters discuss the molecular structures of boron hydrides and the chemotherapeutic potential of boron compounds. Other chapters explore the chemistry of other boron compounds, including heteroaromatic boron compounds, organoperoxyboranes, organoboron heterocycles, and boronic acids. The concluding chapter describes the NMR studies of boron compounds. This book is of value to organic, inorganic, and analytical chemists.
Author : Kurt Niedenzu
Publisher :
ISBN 13 : 9783642858277
Total Pages : 188 pages
Book Rating : 4.8/5 (582 download)
Download or read book Boron-Nitrogen Compounds written by Kurt Niedenzu and published by . This book was released on 1965 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Bernd Wrackmeyer
Publisher :
ISBN 13 :
Total Pages : 33 pages
Book Rating : 4.:/5 (698 download)
Download or read book Carbon-13 NMR Spectroscopy of Boron Compounds written by Bernd Wrackmeyer and published by . This book was released on 1979 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gert Heller
Publisher : Springer
ISBN 13 : 9783540936732
Total Pages : 326 pages
Book Rating : 4.9/5 (367 download)
Download or read book Boron and Oxygen written by Gert Heller and published by Springer. This book was released on 1993 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt: The present issue, Volume 2 of "Boron Compounds" 4th Supplement of the Gmelin Hand book, updates the previous issues by reporting the literature on boron-oxygen systems published up to 1988. For some important recent developments literature is covered through mid-1992; this concerns, for example, the compounds ~-Ba3[B306h and U[B305J which became of interest as materials with nonlinear optical properties. The volume directly com plements the earlier "Boron Compounds" 3rd Supplement Volume 2. In the original literature, alternative formulations are frequently used for the same com pound. This is especially true for many borates. Often, these species are neither completely heteropolar nor covalent, and an experimentally based decision has not been made. Hence, the use of brackets does not necessarily reflect a truly salt-like character. Volume 1 (systems with hydrogen and noble gases) of this particular supplement will be published subsequently, whereas Volume 3a (boron and nitrogen), Volume 3b (boron and nitrogen, boron and fluorine), and Volume 4 (boron compounds containing Cl, Br, I, S, Se, and Te, as well as a section containing carboranes) have already been published. All volumes of the 4th supplement will be augmented by a formula index. The IUPAC nomenclature is generally adhered to; thf means tetrahydrofuran; and occa sionally additional abbreviations for compounds are explained in the text. Positive signs for chemical shifts of the NMR signals indicates downfield shifts from the references, usually internal (CH3)4Si for olH and 013C with others being specified.
Author :
Publisher :
ISBN 13 :
Total Pages : 532 pages
Book Rating : 4.F/5 ( download)
Download or read book Boron: Boron and noble gases, hydrogen, oxygen, nitrogen. Formula index for 2nd suppl. v. 1 written by and published by . This book was released on 1982 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : H. Nöth
Publisher : Elsevier
ISBN 13 : 1483157903
Total Pages : 128 pages
Book Rating : 4.4/5 (831 download)
Download or read book Boron Chemistry — 3 written by H. Nöth and published by Elsevier. This book was released on 2013-10-22 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt: Boron Chemistry contains the selected lectures presented at the Third International Meeting on Boron Chemistry held at Munich & Ettal, FRG on July 5-9, 1976. Separating nine papers as chapters, this book discusses effects of orbital vacancies in boron compounds, the aminoboronation reaction, and the cyclic coordination of boron compounds. This text also explores the organoboranes in synthesis and analysis; the synthesis, structure, and chemical reactions of metalloboranes; and studies of the smaller boron hydrides and their derivatives.
Author : Karl Beeker
Publisher : Springer Science & Business Media
ISBN 13 : 366206135X
Total Pages : 413 pages
Book Rating : 4.6/5 (62 download)
Download or read book B Boron Compounds written by Karl Beeker and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 413 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first supplement volume eomplements the 20 volumes on boron eompounds (Borverbin dungen) that have been published within the New Supplement Series (Erg.-Werk) of the eighth edition of the Gmelin Handbook by uniformly updating the literature eoverage to the end of 1977. However, the deseription in this supplement volume follows largely the Gmelin prineiple of the last position. The systems boron-hydrogen and boron-oxygen were presented in the first part, the systems boron-nitrogen and boron-halogens in the seeond part. This third and final part eontains the systems boron-ehaleogens and also earboranes as weil as a formula index for the three parts of the first supplement volume. Besides the earboranes many additional examples of earbon-eontaining or organie eompounds are ineluded in the presentation, partieularly in those eases where the earbon-free speeies are not known. As was the ease in the volumes of the New Supplement Series, a substantial part of this supplement volume is already presented in the English language. The IUPAC nomenelature is adhered to as mueh as possible, deviations are elearly indieated. Unless otherwise noted, a positive sign for the ehemieal shifts of nuelear magnetie resonanee 1 13 signals indieates downfield from the referenees (CH3)4Si for 8 H and 8 C, (C H hO' BF for 2 5 3 11 14 31 8 B, aqueous NaN0 for 8 N, and 85% H P0 for 8 P.
Author : American Chemical Society
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (124 download)
Download or read book Boron-nitrogen Chemistry written by American Chemical Society and published by . This book was released on 1964 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Gert Heller
Publisher : Springer Science & Business Media
ISBN 13 : 3662061473
Total Pages : 201 pages
Book Rating : 4.6/5 (62 download)
Download or read book B Boron Compounds written by Gert Heller and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 201 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 3rd supplement continues the updating of the original 20 volumes on boron com pounds published between 1974 and 1979. The first supplement to this series brought the literature closing date uniformly to the end of 1977, whereas the two volumes of the 2nd supplement have extended the literature coverage of boron compounds to 1980. Selection and presentation of data parallel the style selected for the two previous supplement volumes, which appeared in 1980/1 and 1982/3, respectively. The Gmelin Principle of the Last Position is largely adhered to, excepting substituted polyboron species containing boron-boron bonds (all of which are found in Chapter 2 within the system boron-hydrogen). Examples of organic derivatives are included, especially in those cases where the carbon-free species are not known; and the carboranes are treated comprehensively. The literature is considered through 1984. Part 1 of the present 3rd supplement contains the systems boron-noble gases and boron hydrogen; Part 2 contains the system boron-oxygen. Part 3 will contain the systems boron nitrogen, boron-fluorine, and boron-chlorine; the remaining systems and a formula indexwill be included in the final 4th part of this supplement. The first chapter of the present volume on the compounds of boron and oxygen provides sections on the binary boron oxides, including some radicals, and the anhydrous berate ions. The following chapter describes boron-oxygen compounds with hydrogen or organyl groups.
