Ammonium Hydroxide → 2-Oxoindoline-5-sulfonamide

HRID 429082Notes

Reaction equation

HRID 429082 reaction equation
Cl[S:2]([C:5]1[CH:6]=[C:7]2[C:11](=[CH:12][CH:13]=1)[NH:10][C:9](=[O:14])[CH2:8]2)(=[O:4])=[O:3].[OH-].[NH4+:16]>C(O)C>[NH2:16][S:2]([C:5]1[CH:6]=[C:7]2[C:11](=[CH:12][CH:13]=1)[NH:10][C:9](=[O:14])[CH2:8]2)(=[O:4])=[O:3]

Participants

4

Reactant 2

HCID 14923Ammonium HydroxideHCID 49625062-oxo-2,3-dihydro-1H-indole-5-sulfonyl chloride

Product 1

HCID 101982322-Oxoindoline-5-sulfonamideYield 20%

Reagents, catalysts & solvents 1

HCID 702EthanolSolvent

Procedure

5-Chlorosulfonyl-2-oxindole (2.1 g) was added to 10 mL of ammonium hydroxide in 10 mL of ethanol and stirred at room temperature overnight. The mixture was concentrated and the solid collected by vacuum filtration to give 0.4 g (20% yield) of the title compound as an off-white solid.

Workup

  1. concentrationThe mixture was concentrated
  2. filtrationthe solid collected by vacuum filtration

Sources & evidence

ORD record
ord-6390bbaebb164c9bab450e2e358b7e39
Source dataset
uspto-grants-2001_11
Patent number
US06316429B1

Reaction notes

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