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Redistribution reactions
Appendix 2 is headed “procedures used for the factor group (this should surely be unit-cell group?) analysis for solids”, and promises to clarify the method by several examples; but for several, read two, namely sodium nitrate and gypsum! The book presents a useful compilation of data, but the treatment of the subject matter is most uneven. The price is rather high, and makes it a more suitable purchase by a library than by a private individual. T. H.
Redistribution Reactions, by J. C. LOCKHART,Academic Press, New York and London, 1970, pp. xi + 173, price U.S. 39.50. This book is the first to give a comprehensive coverage of redistribution phenomena for the entire periodic table and, from this point of view, it must be regarded as a welcome addition to the chemical library. Skinner defines a redistribution reaction as one in which bonds change in relative position but not in type and this has been taken as a working hypothesis. Such a definition includes inter- and intramolecular exchange of identical groups, but the emphasis in this book lies in the redistribution of different groups over various sites. NMR spectroscopy has played a major role in the investigation of redistribution reactions and the recent development of computer programmes for the computation of complicated NMR Iineshapes makes the prospect of detailed studies of all types of redistribution phenomena a more common practice in future. The publication of this summary of the work accomplished so far is therefore most timely. J. A. L.
Complex Organometallic CataZysts, by N. N. KORNEEV,A. F. POPOVAND B_ A. KRENTSEL, translated from the Russian by J. SCHMORAK,Israel Programme for Scientific Translations, Jerusalem, distributed by Keter Publishers Ltd., London, 1971, pp. ix+ 181, price A5.90. The use of complex organometallic catalysts makes it possible to prepare stereoregular polymers, some of which are important industrial compounds. Much of the information concerning the preparation, analysis and properties of these catalysts has been hitherto confined to patent literature and to research publications and it is very useful to have much of the work collected in one volume and somewhat critically selected by authors who abundantiy reveal a good working knowledge of the subject. The information will be of use not only to workers in synthetic organic J. Mol.
Structure,
13 (1972)
467
Redistribution Reactions, by J. C. LOCKHART,Academic Press, New York and London, 1970, pp. xi + 173, price U.S. 39.50. This book is the first to give a comprehensive coverage of redistribution phenomena for the entire periodic table and, from this point of view, it must be regarded as a welcome addition to the chemical library. Skinner defines a redistribution reaction as one in which bonds change in relative position but not in type and this has been taken as a working hypothesis. Such a definition includes inter- and intramolecular exchange of identical groups, but the emphasis in this book lies in the redistribution of different groups over various sites. NMR spectroscopy has played a major role in the investigation of redistribution reactions and the recent development of computer programmes for the computation of complicated NMR Iineshapes makes the prospect of detailed studies of all types of redistribution phenomena a more common practice in future. The publication of this summary of the work accomplished so far is therefore most timely. J. A. L.
Complex Organometallic CataZysts, by N. N. KORNEEV,A. F. POPOVAND B_ A. KRENTSEL, translated from the Russian by J. SCHMORAK,Israel Programme for Scientific Translations, Jerusalem, distributed by Keter Publishers Ltd., London, 1971, pp. ix+ 181, price A5.90. The use of complex organometallic catalysts makes it possible to prepare stereoregular polymers, some of which are important industrial compounds. Much of the information concerning the preparation, analysis and properties of these catalysts has been hitherto confined to patent literature and to research publications and it is very useful to have much of the work collected in one volume and somewhat critically selected by authors who abundantiy reveal a good working knowledge of the subject. The information will be of use not only to workers in synthetic organic J. Mol.
Structure,
13 (1972)
467