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Historically pharmaceutical and fine chemical products have been
synthesised using batch methods, but increasingly chemists are
looking towards flow chemistry as a greener and more efficient
alternative. In flow chemistry reactions are performed in a reactor
with the reactants pumped through it. It has the benefit of being
easily scaled up and it is straightforward to integrate synthesis,
workup and analysis into one system. Flow chemistry is considered a
greener alternative to batch chemistry because it is easier to
control and minimise hazardous intermediates and by-products. There
is significant interest in the use of flow chemistry both in the
lab and on an industrial scale. Flow Chemistry provides an update
on recent advances that have been made in the field. Particular
emphasis is given to the new integrated approaches that bring
together several elements to implement flow processes as a regular
green chemistry tool for the chemical industries. With chapter
contributions from several well-known experts in the field, this
book is a valuable resource for researchers working in green
chemistry and synthesis, chemical engineers and industrial chemists
working in the pharmaceutical and fine chemicals industries.
Pharmaceutical and fine chemical products are typically synthesised
batchwise which is an anomaly since batch processes have a series
of practical and economical disadvantages. On the contrary, flow
continuous processes present a series of advantages leading to new
ways to synthesise chemical products. Flow processes - * enable
control reaction parameters more precisely (temperature, residence
time, amount of reagents and solvent etc.), leading to better
reproducibility, safer and more reliable processes * can be
performed more advantageously using immobilized reagents or
catalysts * improve the selectivity and productivity of the process
and possibly even the stability of the catalyst * offer
opportunities for heat exchange and energy conservation as well as
an easy separation and recycling of the reactants and products by
adequate process design * achieve multistep syntheses by assembling
a line of reactors with minimum or no purification in between two
reaction steps * can be assured by facile automation * scale-up can
be easily conducted by number-up With all the new research activity
in manufacturing chemical products, this comprehensive book is very
timely, as it summarises the latest trends in organic synthesis. It
gives an insight into flow continuous processes, outlining the
basic concepts and explaining the terminology of, and systems
approach to, process design dealing with both homogeneous and
heterogeneous catalysis and mini- or micro-reactors. The book
contains case studies, extensive bibliographies and reference lists
in each chapter to enable the reader to grasp the contents and to
go on to more detailed texts on specific subjects if desired. The
book is written by both organic chemists and engineers giving a
multidisciplinary vision of the new tools and methodologies in this
field. It is essential reading for organic chemists (in industry or
academia) working alongside chemical engineers or who want to
undertake chemical engineering projects. It will also be of
interest for chemical engineers to see how basic engineering
concepts are applied in modern organic chemistry.
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