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Hydrochloric Acid → N-{2-oxo-3-[1-oxo-3-(2-trifluoromethylphenyl)-1,2-dihydroisoquinolin-7-yl]oxazolidin-5-ylmethyl}acetamide

HRID 1162904
Notes
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Reaction equation

HRID 1162904 reaction equation
[NH2:1][CH2:2][CH:3]1[O:7][C:6](=[O:8])[N:5]([C:9]2[CH:18]=[C:17]3[C:12]([CH:13]=[C:14]([C:20]4[CH:25]=[CH:24][CH:23]=[CH:22][C:21]=4[C:26]([F:29])([F:28])[F:27])[NH:15][C:16]3=[O:19])=[CH:11][CH:10]=2)[CH2:4]1.[C:30](Cl)(=[O:32])[CH3:31].Cl>N1C=CC=CC=1>[O:8]=[C:6]1[N:5]([C:9]2[CH:18]=[C:17]3[C:12]([CH:13]=[C:14]([C:20]4[CH:25]=[CH:24][CH:23]=[CH:22][C:21]=4[C:26]([F:28])([F:27])[F:29])[NH:15][C:16]3=[O:19])=[CH:11][CH:10]=2)[CH2:4][CH:3]([CH2:2][NH:1][C:30](=[O:32])[CH3:31])[O:7]1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 313Hydrochloric AcidHCID 6367Acetyl chlorideHCID 118541927-(5-aminomethyl-2-oxooxazolidin-3-yl)-3-(2-trifluoromethylphenyl)-2H-isoquinolin-1-one

Product 1

HCID 11854193N-{2-oxo-3-[1-oxo-3-(2-trifluoromethylphenyl)-1,2-dihydroisoquinolin-7-yl]oxazolidin-5-ylmethyl}acetamideYield 71%

Reagents, catalysts & solvents 1

HCID 1049
Pyridine
Solvent

Procedure

The 7-(5-aminomethyl-2-oxooxazolidin-3-yl)-3-(2-trifluoromethylphenyl)-2H-isoquinolin-1-one (15.3 mg, 0.038 mmol) obtained in Example 1-31 was dissolved in pyridine (380 μl). Thereafter, acetyl chloride (3.2 μl) was added to the obtained solution, and the obtained mixture was stirred at a room temperature for 2 hours. Thereafter, 1 N hydrochloric acid was added to the reaction solution under cooling on ice, followed by extraction with ethyl acetate. The extract was dried over anhydrous sodium sulfate, and the solvent was then distilled away under reduced pressure. The obtained residue was purified by silica gel column chromatography (methylene chloride:methanol=20:1), so as to obtain N-{2-oxo-3-[1-oxo-3-(2-trifluoromethylphenyl)-1,2-dihydroisoquinolin-7-yl]oxazolidin-5-ylmethyl}acetamide (12.1 mg; yield: 71%) in the form of a colorless amorphous substance.

Workup

  1. temperatureunder cooling on ice
  2. extractionfollowed by extraction with ethyl acetate
  3. dry with materialThe extract was dried over anhydrous sodium sulfate
  4. distillationthe solvent was then distilled away under reduced pressure
  5. customThe obtained residue was purified by silica gel column chromatography (methylene chloride:methanol=20:1)

Sources & evidence

ORD record
ord-362d58bc697c45d59669be6d6a976c92
Source dataset
uspto-grants-2010_10
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07820693B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes