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Calixarenes: A Versatile Class of Macrocyclic Compounds (Hardcover, 1991 ed.)
Loot Price: R4,318
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Calixarenes: A Versatile Class of Macrocyclic Compounds (Hardcover, 1991 ed.)
Series: Topics in Inclusion Science, 3
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Total price: R4,328
Discovery Miles: 43 280
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The tenn "calixarenes," introduced in 1978 by D. Gutsche to
describe the cyclic oligomers produced by condensation of
p-substituted phenols with fonnaldehyde, is now universally
accepted in the chemical community. The condensation of phenol with
fonnaldehyde was studied in the last century by A. von Baeyer.
Early in this century, L. Baekeland produced the first entirely
synthetic polymers from phenol-fonnaldehyde condensates and the
possibility that cyclic condensation products could be obtained
from t-butylphenol, and fonnaldehyde was mentioned as early as in
the beginning of the 1940's by A. Zinke. Despite their long
history, the realisation that calixarenes may have very significant
applications and uses in supramolecular chemistry is a relatively
recent phenomenon. Calixarene chemistry, in contrast to their
discovery, started slowly in the 1970's but rapidly gained momentum
throughout the 1980's. Following C. Pedersens discovery of the
crown ethers and the seminal developments of J. -M. Lehn and D.
Cram with cryptands and spherands - all three honoured with the
1987 Nobel Chemistry Prize - the time was right for a surge of
interest in research areas, frequently referred to as host-guest
chemistry, receptor or supramolecular chemistry, and including
important comparisons with biological processes and the development
of new advanced materials. Now, the cyclic, bowl or basket-shaped
calixarene molecules were looked on in a different light. Rather
than "having developed from harmful by-products of phenoplasts
manufacture" they were now seen as potentially valuable macrocyclic
receptor molecules.
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