Oxindole

Oxindole
Skeletal formula
Ball-and-stick model
Names
Preferred IUPAC name
1,3-Dihydro-2H-indol-2-one
Identifiers
3D model (JSmol)
114692
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.000.390 Edit this at Wikidata
EC Number
  • 200-429-5
637057
KEGG
MeSH Oxindole
RTECS number
  • NM2080500
UNII
  • InChI=1S/C8H7NO/c10-8-5-6-3-1-2-4-7(6)9-8/h1-4H,5H2,(H,9,10) checkY
    Key: JYGFTBXVXVMTGB-UHFFFAOYSA-N checkY
  • c1ccc2c(c1)CC(=O)N2
Properties
C8H7NO
Molar mass 133.150 g·mol−1
Appearance pale yellow solid
Melting point 128 °C (262 °F; 401 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Oxindole (2-indolone) is an aromatic heterocyclic organic compound with the formula C6H4CHC(O)NH. It has a bicyclic structure, consisting of a six-membered benzene ring fused to a five-membered nitrogen-containing ring. Oxindole is a modified indoline with a substituted carbonyl at the second position of the 5-member indoline ring. Classified as a cyclic amide, it is a pale yellow solid.