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Book Review Ultrasound in Synthesis. By S. V. Ley and C. M. Low

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bean oil and platinum catalyzed hydrosilation belong only in
Lindley’s chapter where they are also discussed. Chapter 9
(“Ultrasound in Polymer Chemistry”, J. P. Lorimer,
20 pages, 10 references) covers theory of high frequency
waves (> 1 MHz) as well as applications in providing information on relaxation phenomena. Uses of low frequency
waves (polymerization/depolymerization)are also given.
Ultrasound in Synthesis. By S. K Ley and C. M . Low.
Springer, Berlin 1989. 133 pp., hardcover, $79.50.ISBN 0-387-51023.
Following a very brief introductory chapter (1 page),
Chapter 2 (“The Physical Basis of Sonochemistry”,
27 pages) provides a qualitative discussion of the origin of
and the factors influencing sonochemical reactivity. The current thinking on the cavitation process and the roles of frequency, intensity, temperature, and cell and probe design are
presented, along with a discussion of methods of measuring
ultrasonic intensity. This chapter will be useful to the novice
in the field.
The remainder of the book summarizes applications of
ultrasonic waves to synthesis, and covers organic, inorganic
and organometallic examples. The chapter titles and page
count illustrate the organization of the book. The treatment
is broad with only the highlights in each area covered: Chapter 3 (“Aqueous Sonochemistry”, 4 pages); Chapter 4 (“Preparation of Activated Magnesium”, 6 pages); Chapter 5
(“Preparation of Organoaluminum Compounds”, 1 page);
Chapter 6 (“Application of Ultrasound to the Preparation
of Organolithiums”, 1 I pages); Chapter 7 (“Reactions with
Other Alkali Metals”, 11 pages); Chapter 8 (“Organozinc
Reagents”, 16 pages); Chapter 9 (“Intercalation Reactions”, 1 page); Chapter 10 (“The Effects of Ultrasound on
Enzyme-Catalyzed Reactions”, I t pages); Chapter 1 1 (“UItrasonic Acceleration of Organic Reactions”, 19 pages);
Chapter 12 (“Ultrasonic Acceleration of Redox Reactions”,
6 pages); Chapter 13 (“The Effects of Ultrasound on Transition Metal Catalysts”, 2 pages); Chapter 14 (“Transition
Metal Carbonyls and Ultrasound”, 15 pages).
Chapters 11 and 12 emphasize homogeneous phase-transfer and nonmetal reactions, although there is some overlap
with metal-based reactions. Perhaps a different organization
of material would have avoided this and the need for the oneand two-page chapters (5, 9, 10 and 13). Considering the
hefty price tag, a more judicious dse of space is required for
good value. For example, the diagrams and schemes are too
large for a book this size, as are the spaces allotted for chapter headings, leading to far too much white space. The aim
of this book is to familiarize a wider audience with the background of chemical applications of ultrasound. This is accomplished at the “acquaintance” level.
Philip Boudjouk [NB 1139 IE]
Department of Chemistry, North Dakota State University
Fargo, ND (USA)
Corrigendum
In the communication “On a Metathesis Reaction of
Tetrathiafulvalene (TTF)” by Henning Hopf et al. (Angew.
Chem. Int. Ed. Engl. 30 (1991) 1127), the first sentence in the
discussion of the crystal structure of compound 4 a should
read as follows: Its structure in the crystal is characterized by
an almost orthogonal arrangement of the phenyl ring and of
the heterocycle containing S1 and S2 with respect to the
largely planar rest of the molecule (dihedral angle between
the best planes, 96 and 79”, respectively). In reference [9] the
lattice constant b is 1443.3(3) pm.
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Angew. Chem. In!. Ed. Engl. 30 (1991) No. 10
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