Introduction :
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‘Green Chemistry’ is the new branch of chemistry
which involves pulling together tools, techniques and
technologies. It is helpful to chemists and chemical
engineers in research, development and production for
development of more eco-friendly and efficient
products which may also have significant financial
benefits. It is now going to become an essential tool in
the field of synthetic chemistry. The development of
Green Chemistry redefines the role of a solvent: “An
ideal solvent facilitates the mass transfer but does not
dissolve”. In addition, a desirable green solvent should
be natural, nontoxic, cheap and readily available with
additional benefits of aiding the reaction, separation or
catalyst recycling. Of the various principles of green
chemistry, the important one is maximizing the Atom
Economy which evaluates the efficiency of chemical
transformation and is calculated as: