Compound Q&A
How is Tripotassium (2E)-3-oxo-2-(3-oxo-5-sulfonato-1,3-dihydro-2H-indol-2-ylidene)-5,7-indolinedisulfonate (CAS: 67627-18-3) typically synthesized?
Answer
Tripotassium (2E)-3-oxo-2-(3-oxo-5-sulfonato-1,3-dihydro-2H-indol-2-ylidene)-5,7-indolinedisulfonate is synthesized through a multi-step process involving the condensation of indole derivatives with sulfonic acid under mild conditions. The synthesis typically involves the use of potassium hydroxide as a base in aqueous media. The reaction is highly selective and yields up to 90% of the target compound, with optimization of reaction conditions leading to improved yields and purity.
About
CAS No
67627-18-3
English Name
Tripotassium (2E)-3-oxo-2-(3-oxo-5-sulfonato-1,3-dihydro-2H-indol-2-ylidene)-5,7-indolinedisulfonate
Molecular Formula
C16H7K3N2O11S3
Molecular Weight
397.13 g/mol
SMILES
C1=CC2=C(C=C1S(=O)(=O)[O-])C(=O)C(=N2)C3=C(C4=C(N3)C(=CC(=C4)S(=O)(=O)[O-])S(=O)(=O)[O-])O.[K+].[K+].[K+]
InChIKey
XOSMXDUITYWYGR-VPOCKCTCSA-K
Last Updated: 2025-10-07 19:42
