Definition of Selectivity

What is Selectivity?

Selectivity is the discrimination shown by a reagent in competitive attack on two or more substrates or on two or more positions in the same substrate. It is quantitatively expressed by ratios of rate constants of the competing reactions, or by the logarithms of these ratios.

See also isoselective relationship, partial rate factor, regioselectivity, selectivity factor, stereoselectivity.

Search the Dictionary for More Terms