Methyl bromoacetate → {9-[(3-Trifluoromethoxyphenyl)methyl]-5-carbamoylcarbazol-4-yl}oxyacetic acid, methyl ester

HRID 51430Notes

Reaction equation

HRID 51430 reaction equation
[F:1][C:2]([F:29])([F:28])[O:3][C:4]1[CH:5]=[C:6]([CH2:10][N:11]2[C:23]3[CH:22]=[CH:21][CH:20]=[C:19]([OH:24])[C:18]=3[C:17]3[C:12]2=[CH:13][CH:14]=[CH:15][C:16]=3[C:25](=[O:27])[NH2:26])[CH:7]=[CH:8][CH:9]=1.Br[CH2:31][C:32]([O:34][CH3:35])=[O:33]>CN(C=O)C.C(OCC)(=O)C>[F:29][C:2]([F:28])([F:1])[O:3][C:4]1[CH:5]=[C:6]([CH2:10][N:11]2[C:23]3[CH:22]=[CH:21][CH:20]=[C:19]([O:24][CH2:31][C:32]([O:34][CH3:35])=[O:33])[C:18]=3[C:17]3[C:12]2=[CH:13][CH:14]=[CH:15][C:16]=3[C:25](=[O:27])[NH2:26])[CH:7]=[CH:8][CH:9]=1

Participants

5

Reactant 2

HCID 60984Methyl bromoacetateHCID 227382239-[(3-Trifluoromethoxyphenyl)methyl]-4-hydroxy-5-carbamoyl carbazole

Product 1

HCID 86756278{9-[(3-Trifluoromethoxyphenyl)methyl]-5-carbamoylcarbazol-4-yl}oxyacetic acid, methyl esterYield 83%

Reagents, catalysts & solvents 2

HCID 6228DimethylformamideSolventHCID 8857Ethyl AcetateSolvent

Procedure

40% Methanolic Triton B (0.15 mL, 0.34 mM) was added to a solution of the 9-[(3-trifluoromethoxyphenyl)methyl]-4-hydroxy-5-carbamoyl carbazole (115 mg, 0.28 mM) in 8 mL DMF at room temperature. After 3 minutes, methyl bromoacetate (65 mg, 0.41 mM) was added and the resultant mixture stirred at room temperature for 23 hours. The mixture was diluted with ethyl acetate, washed with H2O, and saturated brine, dried over magnesium sulfate, filtered, and concentrated. The residue was purified by column chromatography on silica gel (elution with ethyl acetate) to afford 112 mg (83%) of the {9-[(3-trifluoromethoxyphenyl)methyl]-5-carbamoylcarbazol-4-yl}oxyacetic acid, methyl ester as a white solid. 1H NMR (DMSO-d6) δ7.6 (d, 1H, J=8 Hz), 7.55 (br s, 1H), 7.5-7.0 (m, 9H), 6.6 (d, 1H, J=8 Hz), 5.7 (s, 2H), 4.9 (s, 2H), and 3.75 (s, 3H). IR (KBr, cm−1) 3488, 3141, 1763, 1674, 1501, 1444, 1269, 1215, 1178, 1102, 772, and 714. MS (FD) m/e 472.

Workup

  1. washwashed with H2O, and saturated brine
  2. dry with materialdried over magnesium sulfate
  3. filtrationfiltered
  4. concentrationconcentrated
  5. customThe residue was purified by column chromatography on silica gel (elution with ethyl acetate)

Sources & evidence

ORD record
ord-7baff25e0de94d37956e366fa7620e3a
Source dataset
uspto-grants-2004_03
Patent number
US06713645B1

Reaction notes

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