Prephenic acid
（重定向自Prephenate）
![](/Images/godic/202502/04/Prephenic_acid.svg4832.png")
Prephenic acid, commonly also known by its anionic form prephenate, is an intermediate in the biosynthesis of the aromatic amino acids phenylalanine and tyrosine.
It is synthesized by a [3,3]-sigmatropic Claisen rearrangement of chorismate.