Ethanol → N-hydroxy-2-[[4-methoxybenzenesulfonyl](2-quinolinylmethyl)amino]acetamide

HRID 742051Notes

Reaction equation

HRID 742051 reaction equation
C([O:5][NH:6][C:7](=[O:32])[CH2:8][N:9]([S:21]([C:24]1[CH:29]=[CH:28][C:27]([O:30][CH3:31])=[CH:26][CH:25]=1)(=[O:23])=[O:22])[CH2:10][C:11]1[CH:20]=[CH:19][C:18]2[C:13](=[CH:14][CH:15]=[CH:16][CH:17]=2)[N:12]=1)(C)(C)C.C(O)C>C(Cl)Cl>[OH:5][NH:6][C:7](=[O:32])[CH2:8][N:9]([S:21]([C:24]1[CH:25]=[CH:26][C:27]([O:30][CH3:31])=[CH:28][CH:29]=1)(=[O:23])=[O:22])[CH2:10][C:11]1[CH:20]=[CH:19][C:18]2[C:13](=[CH:14][CH:15]=[CH:16][CH:17]=2)[N:12]=1

Participants

4

Reactant 2

HCID 702EthanolHCID 22907171N-(t-Butyloxy)-2-[[4-methoxybenzenesulfonyl](2-quinolinylmethyl)amino]acetamide

Product 1

HCID 22907131N-hydroxy-2-[[4-methoxybenzenesulfonyl](2-quinolinylmethyl)amino]acetamide

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

N-(t-Butyloxy)-2-[[4-methoxybenzenesulfonyl](2-quinolinylmethyl)amino]acetamide (1.15 g, 2.42 mmol) is dissolved in methylene chloride (30.0 mL) and ethanol (0.20 mL) in a glass sealed tube. Hydrochloric acid gas (from a lecture bottle) is bubbled through the solution for 20 minutes, and then the tube is sealed and stands at room temperature overnight. The next day, additional hydrochloric acid gas is bubbled through the solution for 20 minutes, more ethanol (0.20 mL) is added, and then the tube is sealed and stands at room temperature for two days. After that time, the solvent is removed. The product is purified by silca gel chromatography (5% to 15% methanol/methylene chloride with ~1% ammonium hydroxide) to give N-hydroxy-2-[[4-methoxybenzenesulfonyl](2-quinolinylmethyl)amino]acetamide, m.p. 177°-178° C.

Workup

  1. customHydrochloric acid gas (from a lecture bottle) is bubbled through the solution for 20 minutes
  2. customthe tube is sealed
  3. customThe next day, additional hydrochloric acid gas is bubbled through the solution for 20 minutes
  4. additionmore ethanol (0.20 mL) is added
  5. customthe tube is sealed
  6. waitstands at room temperature for two days
  7. customAfter that time, the solvent is removed
  8. customThe product is purified by silca gel chromatography (5% to 15% methanol/methylene chloride with ~1% ammonium hydroxide)

Sources & evidence

ORD record
ord-94376315a65242538689296063c2eb44
Source dataset
uspto-grants-1996_09
Patent number
US05552419

Reaction notes

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