Potassium Hydroxide → HCID 19876399, compound

HRID 1886529Notes

Reaction equation

HRID 1886529 reaction equation
[C:1]1([N:7]2[C:17]3[C:12](=[CH:13][C:14]([S:18]([OH:21])(=[O:20])=[O:19])=[CH:15][CH:16]=3)[C:10](=O)[C:8]2=[O:9])[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.[OH-:22].[K+]>>[S:18]([C:14]1[CH:15]=[CH:16][C:17]2[C:12](=[C:10]([C:8]([OH:22])=[O:9])[C:6]3[C:1]([N:7]=2)=[CH:2][CH:3]=[CH:4][CH:5]=3)[CH:13]=1)([OH:21])(=[O:20])=[O:19]

Participants

3

Reactant 2

HCID 14797Potassium HydroxideHCID 21625272HCID 21625272, compound

Product 1

HCID 19876399HCID 19876399, compound

Procedure

The title compound can be prepared from N-phenyl isatin 5 sulfonic acid of example 11 and 10% KOH by heating for hours on a steam bath. The solution is filtered, then acidified to pH 1 and product is collected by filtration.

Sources & evidence

ORD record
ord-03ff2c4be2714f67993764f0b907f923
Source dataset
uspto-grants-1992_09
Patent number
US05151518

Reaction notes

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