Epimerizationnoun
(chemistry) The process of forming an epimer by changing one asymmetric centre in a compound that has more than one
Racemizationnoun
(chemistry) The formation of a racemate from a pure enantiomer.
Racemization
In chemistry, racemization is a conversion, by heat or by chemical reaction, of an optically active compound into a racemic (optically inactive) form. Half of the optically active substance becomes its mirror image (enantiomer) referred as racemic mixtures (i.e.