Perkin's reaction
(also Perkin reaction, Perkin synthesis) Chemistry
noun
Any of a number of reactions discovered by Perkin, especially that in which, typically, an arylacrylic acid is formed by the condensation of an aromatic aldehyde with the anhydride of an aliphatic acid, in the presence of the sodium salt of the latter.
Origin
Late 19th century; earliest use found in Journal of the Chemical Society.