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Hydrochloric Acid → 6-[4-({[3-(2,6-Dichlorophenyl)-5-(1-methylethyl)-4-isoxazolyl]methyl}oxy)-3-methylphenyl]-2-quinolinecarboxylic acid

HRID 2423512
Notes
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Reaction equation

HRID 2423512 reaction equation
[OH-].[Na+].[Cl:3][C:4]1[CH:9]=[CH:8][CH:7]=[C:6]([Cl:10])[C:5]=1[C:11]1[C:15]([CH2:16][O:17][C:18]2[CH:23]=[CH:22][C:21]([C:24]3[CH:25]=[C:26]4[C:31](=[CH:32][CH:33]=3)[N:30]=[C:29]([C:34]([O:36]CC)=[O:35])[CH:28]=[CH:27]4)=[CH:20][C:19]=2[CH3:39])=[C:14]([CH:40]([CH3:42])[CH3:41])[O:13][N:12]=1.Cl.O>O1CCCC1.CO>[Cl:10][C:6]1[CH:7]=[CH:8][CH:9]=[C:4]([Cl:3])[C:5]=1[C:11]1[C:15]([CH2:16][O:17][C:18]2[CH:23]=[CH:22][C:21]([C:24]3[CH:25]=[C:26]4[C:31](=[CH:32][CH:33]=3)[N:30]=[C:29]([C:34]([OH:36])=[O:35])[CH:28]=[CH:27]4)=[CH:20][C:19]=2[CH3:39])=[C:14]([CH:40]([CH3:42])[CH3:41])[O:13][N:12]=1
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 4

HCID 313Hydrochloric AcidHCID 962WaterHCID 14798Sodium HydroxideHCID 59321528Ethyl 6-[4-({[3-(2,6-dichlorophenyl)-5-(1-methylethyl)-4-isoxazolyl]methyl}oxy)-3-methylphenyl]-2-quinolinecarboxylate

Product 1

HCID 533253556-[4-({[3-(2,6-Dichlorophenyl)-5-(1-methylethyl)-4-isoxazolyl]methyl}oxy)-3-methylphenyl]-2-quinolinecarboxylic acid
Yield 99%

Reagents, catalysts & solvents 2

HCID 887MethanolSolventHCID 8028TetrahydrofuranSolvent

Conditions

Temperature
90 °C

Procedure

A 1 N solution of sodium hydroxide (59.4 μL, 59.4 μmol) was added to ethyl 6-[4-({[3-(2,6-dichlorophenyl)-5-(1-methylethyl)-4-isoxazolyl]methyl}oxy)-3-methylphenyl]-2-quinolinecarboxylate (17.1 mg, 29.7 μmol) in tetrahydrofuran and methanol (1:1, 594.3 μL) and the mixture was heated in the microwave at 90° C. for 10 minutes. After cooling, the mixture was neutralized with 1 N hydrochloric acid (59.4 μL), water was added, and the reaction mixture was extracted with ethyl acetate. The organic layer was washed with brine, then dried over anhydrous magnesium sulfate, filtered and concentrated to give 16.1 mg (99%) of 6-[4-({[3-(2,6-Dichlorophenyl)-5-(1-methylethyl)-4-isoxazolyl]methyl}oxy)-3-methylphenyl]-2-quinolinecarboxylic acid as a solid. 1H NMR (400 MHz, d6-DMSO): δ 13.37 (br s, 1H), 8.53 (d, J=8 Hz, 1H), 8.28 (s, 1H), 8.18-8.12 (m, 2H), 8.10 (d, J=8 Hz, 1H), 7.66-7.58 (m, 4H), 7.55 (dd, J=9, 7 Hz, 1H), 7.09 (d, J=9 Hz, 1H), 4.91 (s, 2H), 3.52 (septet, J=7 Hz, 1H), 1.98 (s, 3H), 1.36 (d, J=7 Hz, 6H). HRMS C30H24Cl2N2O4 m/z 547.1191 (M+H)+Cal; 547.1198 (M+H)+Obs.

Workup

  1. temperatureAfter cooling
  2. additionwas added
  3. extractionthe reaction mixture was extracted with ethyl acetate
  4. washThe organic layer was washed with brine
  5. dry with materialdried over anhydrous magnesium sulfate
  6. filtrationfiltered
  7. concentrationconcentrated

Sources & evidence

ORD record
ord-c560b047a7bc4d26846585a49c5c3bb4
Source dataset
uspto-grants-2011_06
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07960552B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes