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Book Review Isonitrile Chemistry. Organic Chemistry a Series of Monographs Vol. 20 By. I

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In conclusion, it can be said that the book succeeds in
providing a really useful survey of methods for the preparation of organic compounds. It is of great practical
value, and should soon become a standard work for the
organic laboratory.
H . Stetter [W f 6 IE]
Chemie der Pflanzenschutz- und Schadlingsbekampfungsmittel (Chemistry of Plant Protection Agents). Edited
by R. Wegler, Springer Verlag, Berlin-Heidelberg-New
York, 1970, 1st ed., vol. 1: Einfuhrung, Insektizide, Chemosterilantien, Repellents, Lockstoffe, Akarazide, Nematizide, Vogel- bzw. Saugetierabschreckmittel, Rodentizide (Introduction, Insecticides, Chemosterilizers, Repellents, Attractants, Acaricides, Nematicides, Chemicals
Repelling Birds and Mammals, Rodenticides). xxiv,
671 pp., 23 figures, bound, DM 180.--. Vol. 2: Fungizide,
naturliche Pflanzenwuchsstoffe, Riickstandsprobleme.
(Fungicides, Natural Plant Growth Substances, Residue
Problems). xxix, 550 pp., 24 figures, bound, DM 148.--.
This work will “enable students and young industrial
chemists to become thoroughly familiar with the field of
plant protection, while offering advice and help to specialists”. In addition, it helps to fill a gap as a textbook and a
survey of this field. The authors are chemists and biologists
working mainly in industry (23 for Farbenfabriken Bayer
AG, one for Shell Research Ltd., one for Farbwerke Hoechst
AG, and two for the Department of Ecological Chemistry,
Gesellschaft fur Strahlenforschung mbH). The authors
“tried to mold the large mass of data into a coherent whole.
They also aimed to present the material in homogeneous
sections, but primarily in a form dictated by the subject”.
The biological background is given “whenever it is needed
for understanding the subject”.
After the Introduction, devoted to the scientific significance
of pIant protection (17 pp., 22 refs.), volume 1 deals with
the development of new plant protection agents (25 pp., 22
refs.), commercial formulations (14 pp., no refs.), and in the
chapter on Insecticides-with the general aspects of the
biology and testing of insecticides and acaricides (19 pp.,
23 refs.), the combatting of the emergence of resistance
(19 pp., 14 refs.), naturally occurring insecticides (33 pp.,
353 refs.), chlorinated hydrocarbons (98 pp., 553 refs.), carbamates (27 pp., 160 refs.), insecticidal phosphoric esters
(205 pp., 810 refs.), insecticides belonging to other groups
(10 pp., 30 refs.), and contact insecticides (9 pp., 25 refs.). It
also covers chemosterilizing agents (11 pp., 65 refs., alkylating agents, antimetabolites, etc.), insect repellents (9 pp.,
33 refs.), insect sex attractants (25 pp., 73 refs.), acaricides
(44 pp., 248 refs. ; biology, historical, active substances),
ncmaticides (10 pp., 27 refs.), bird and mammal deterrents
(13 pp., 152 refs.),and rodenticides (43 pp., 1000-1200 refs.).
This comprehensive book gives an excellent survey of the
fields mentioned above, and the extensive references permit
these fields to be studied in depth. Stock protecting agents
and the chemical analysis of active substances receive a
somewhat cursory treatment. Questions of nomenclature,
which are so important, are dealt with in the chapter on
phosphoric esters.
The second volume is particularly valuable because it surveys the important fungicides (166 pp., 440 refs.) and herbicides, and comprises an excellent chapter on the residues
of plant protection agents which can be detected in food
and in the environment. The textbook nature of this work
A n y e w . Chem. iniernaf. Edit.
Vol. li 11972) No. i
is enhanced by the color pictures of the main fungal plant
diseases in the general part of the chapter on fungicides
(40 pp., 43 refs.), and by color pictures of the main weeds in
the section on herbicides. There is a very interesting section
on phytohormones or natural plant growth substances
(30 pp., 300 refs.). These two volumes can altogether be
warmly recommended, and should not be missing from
the bookshelves of any laboratory dealing with residue
problems.
Konrad Pfeilsticker [NB 4 IE]
Experimentelle Einfuhrung in die Anorganische Chemie
(Introduction to Experimental Inorganic Chemistry).
By H . Biltz, W. Klemm, and W Fischer. Walter de Gruyter
u. Co., Berlin 1971, 63.-70. Revised edition, 228 pp.,
28 figs., 1 table, bound, DM 21.--.
The revised edition of Biltz, Klemm, and Fischer differs
from the previous one principally in that the theoretical
chapters have been considerably enlarged. The section on
chemical bonding gives a concise and up-to-date treatment of the atomic structure ofelements. and then describes
the three types of bonding (ionic, covalent, and metallic).
Although this only takes 7 pages, nothing essential has
been omitted, and the topic is presented in a clearly understandable fashion. Appropriately. the most recent definition of the acid-base concept is also given, and the concept
of pK is introduced.
The text is amplified with tables of data on the most important indicators (with end-point range and color of the
indicator acid or base), solubilities, pK, and pK, values
for the more important acids and bases, and oxidation and
reduction potentials. Such data are very important for the
quantitative description of chemical processes.
Despite these improvements, the size of the book has increased only slightly, if at all, due to the deletion of some
data from the analytical section and certain sections, e.g.
“Electronegativit y”.
The book, which is very attractive typographically and in
its general appearance, is a considerable improvement
over the previous edition, and will certainly please those
who are already Biltz, Klemm, and Fischer enthusiasts. It
can be recommended without reservations to all first-year
chemistry students and to any student who is taking inorganic chemistry as a subsidiary subject.
Alois Haas
[NB 22 IE]
Isonitrile Chemistry. Organic Chemistry, a Series of
Monographs, Vol. 20, By. I . Ugi. Academic Press,
New York, 1971.Ist Edit., xii, 278 pp., numerous illustrations, 8 tables, bound S 14.50.
Despite the fact that review articles have appeared recently
on individual aspects of isonitrile chemistry (B. Zeeh;
L. Malatesta), the present book deserves a warm welcome
for the way in which it summarizes the information on
the structure, syntheses, and reactions of isonitriles
(isocyanides) in a single monograph of 256 pages. Not
only does this book provide an introduction to the chemistry of isonitriles, but it also takes the trouble to present
the position as it exists today.
The material is divided into the following chapters: 1, The
Structure of Isonitriles; 2, Isonitrile Syntheses; 3, Kinetics
71
of the Isonitrile-Nitrile Rearrangement ; 4, Simple uAdditions; 5, Cyclization Reactions; 6, The Reaction of
Isonitriles with Boranes; 7, The Passerini Reaction and
Related Reactions ; 8, Four-Component Condensations
and Related Reactions; 9, Peptide Syntheses; and 10,
Coordinated Isonitriles. This arrangement leads, of necessity, to a certain amount of overlap. For example, many
reactions are found both in Chapter 4 and in Chapter 5.
In some of the chapters the material is subjected to a
critical review, but in others this review is rather too
short. Nevertheless, this monograph can be highly recommended, since it enables the chemist to obtain 1 quick
and comprehensive insight into the chemistry ofd&mitriles.
Kurt Lev
[NB 15 IE]
Komplexchernie (The Chemistry of Complexes). By M .
Becke-Goehring and U . H u f m n . Springer Verlag, Berlin-Heidelberg-New York 1970. Ist edit., viii, 245 pp.,
104 figures, bound, DM 18.80.
This book is an up-to-date introduction to the chemistry
of complexes from the chemist’s viewpoint. After an explanation of the meaning of the “chemistry of complexes” and
a short historical introduction, the first part of the book
deals systematically with the phenomenology of complex
compounds. The types of isomerism are described, with
particular reference to stereoisomerism, which is of great
importance when establishing structural formulas. One
chapter is devoted to chelate complexes. All the important
classes of complexes (metal carbonyls, hydrido complexes,
etc.) are considered in relation to their importance, as also
are the very recent developments in the field of complex
chemistry (e.g. complexes with N, as the ligand and the
electron donor-acceptor complexes). A consideration of
the stability of complexes, particularly in aqueous solutions, closes the second part of the book. In the third part
are described the structures of complex compounds with
the central atoms having coordination numbers of 2 to 9.
In Part 4 the authors go into the theories of bonding between the central atom and the ligands. First of all the
valence bond theory is described and its achievements are
demonstrated. Any discussion of the chemistry of complex
compounds which did not involve ligand field theory
would now be unthinkable. The authors have successfully
accomplished this far from easy task without recourse to
the development of mathematical foundations. The use of
the ligand field theory is clearly explained.
Finally, the authors deal with the substitution reactions of
complexes of octahedral and quadratic structure, and also
with the trans effect and the chelate effect. The concepts of
“hard and soft acids or bases” which have been much used
recently, bring the book to a close.
The book gives an extremely good overall picture of the
chemistry of complexes. It is distinguished by a strictly
systematic approach and by a clear and precise style of
writing. Practically all the viewpoints and principles which
are in any way of importance in complex chemistry have
been taken into consideration. However, the present reviewer would welcome it if when a new edition appears there
could be some mention of the approach of Magnus, with
its electrostatic basis. Whether or not a complex exists and
and is stable in the solid crystalline state depends on the
energy of complex formation and, under certain circumstances, also on the lattice energies of the substances involved. It is striking that in recent books on the chemistry
of complexes the ligand field theory gets its due mention,
but Magnus’ electrostatic approach, which permits a
simple energetic interpretation of the coordination number, is left out in the cold.
Finally, I should like to emphasize that this excelent introduction to the chemistry of complexes can be warmly recommended to students of chemistry. The expert will read
the book with pleasure and be stimulated by the way in
which the information is conveyed. The use of extensive
literature references is particularly valuable.
Otto Schmitz-Du Mont
[NB 8 IE]
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8 Verlag Chemie GmbH, Weinheim 1972. - Printed in Germany by Zechnersche Buchdrnckerel, Speyer/Rhein.
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72
Angew. Chem. internat. Edit. / Vol. I 1 (1972) / N o . I
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