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

HRID 51413
Notes
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Reaction equation

HRID 51413 reaction equation
[I:1][C:2]1[CH:3]=[C:4]([CH2:8][N:9]2[C:21]3[CH:20]=[CH:19][CH:18]=[C:17]([OH:22])[C:16]=3[C:15]3[C:10]2=[CH:11][CH:12]=[CH:13][C:14]=3[C:23](=[O:25])[NH2:24])[CH:5]=[CH:6][CH:7]=1.Br[CH2:27][C:28]([O:30][CH3:31])=[O:29]>CN(C=O)C.C(OCC)(=O)C>[I:1][C:2]1[CH:3]=[C:4]([CH2:8][N:9]2[C:21]3[CH:20]=[CH:19][CH:18]=[C:17]([O:22][CH2:27][C:28]([O:30][CH3:31])=[O:29])[C:16]=3[C:15]3[C:10]2=[CH:11][CH:12]=[CH:13][C:14]=3[C:23](=[O:25])[NH2:24])[CH:5]=[CH:6][CH:7]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 2

HCID 60984Methyl bromoacetateHCID 22740042HCID 22740042, compound

Product 1

HCID 86756273{9-[(3-Iodophenyl)methyl]-5-carbamoylcarbazol-4-yl}oxyacetic acid, methyl esterYield 86%

Reagents, catalysts & solvents 2

HCID 6228DimethylformamideSolventHCID 8857Ethyl AcetateSolvent

Procedure

40% Methanolic Triton B (0.07 mL, 0.15 mM) was added to a solution of the 9-[(3-iodophenyl)methyl]-4-hydroxy-5-carbamoyl carbazole (60 mg, 0.13 mM) in 8 mL DMF at room temperature. After 3 minutes, methyl bromoacetate (30 mg, 0.19 mM) was added and the resultant mixture stirred at room temperature for 17 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 60 mg (86%) of the {9-[(3-iodophenyl)methyl]-5-carbamoylcarbazol-4-yl}oxyacetic acid, methyl ester as a white solid. 1H NMR (DMSO-d6) δ7.6-7.0 (m, 11H), 6.6 (d, 1H, J=8 Hz), 5.7 (s, 2H), 4.9 (s, 2H), and 3.75 (s, 3H). IR (KBr, cm−1) 3500, 3350, 1727, 1642, 1291, 1236, and 772. MS (ES) m/e 515.

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-b48cbb740a9a42d8a03da6f3d1af1f22
Source dataset
uspto-grants-2004_03
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06713645B1

Reaction notes

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