Wiktionary
resynthesis
n. A second or subsequent synthesis, epsecially one using components that were originally combined
Usage examples of "resynthesis".
Later it was found that lactic is removed by resynthesis to a precursor, although not much is actually known about it.
But the fragments reassorted into more and more complex molecules, falling into the early oceans, there interacting with each other, falling by chance upon clays, a dizzying process of breakdown, resynthesis, transformation – slowly moving toward molecules of greater and greater complexity, driven by the laws of physics and chemistry.