On another hand, even if the chemical toolbox seems infinite
and virtually allows any kinds of transformations and the synthesis
of any kinds of molecules, enzymatic steps have been increasingly
implemented in synthetic strategies over the last two decades.
Main reasons explaining this evolution are (1) the huge increase
of the number, quality and diversity of purified enzymes available
from recombinant organisms, (2) the unique ability of enzymes to
operate selectively even in complex molecular environments providing
chemo-, regio-, and stereoselective reactions