Prephenic acid

Prephenic acid

Names
IUPAC name 1-(2-Carboxy-2-oxoethyl)-4-hydroxycyclohexa-2,5-dienecarboxylic acid
Other names Prephenate; cis-1-Carboxy-4-hydroxy-α-oxo-2,5-cyclohexadiene-1-propanoic acid
Identifiers
CAS Registry Number	126-49-8 (unspecified) N 87664-40-2 (cis) Y
ChEBI	CHEBI:84387 N
ChemSpider	16735981 Y
InChI InChI=1S/C10H10O6/c11-6-1-3-10(4-2-6,9(15)16)5-7(12)8(13)14/h1-4,6,11H,5H2,(H,13,14)(H,15,16)/t6-,10+ Y Key: FPWMCUPFBRFMLH-XGAOUMNUSA-N Y InChI=1/C10H10O6/c11-6-1-3-10(4-2-6,9(15)16)5-7(12)8(13)14/h1-4,6,11H,5H2,(H,13,14)(H,15,16)/t6-,10+ Key: FPWMCUPFBRFMLH-XGAOUMNUBN
Jmol-3D images	Image
MeSH	Prephenic+acid
PubChem	1028
SMILES O=C(O)[C@@]/1(CC(=O)C(O)=O)\C=C/[C@@H](O)\C=C\1
Properties
Molecular formula	C10H10O6
Molar mass	226.18 g·mol−1
Except where noted otherwise, data is given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
N verify (what is: Y/N?)
Infobox references

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.^[1][2]

References