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Sodium Hydroxide → {9-[(2-Methylphenyl)methyl]-5-carbamoylcarbazol-4-yl}oxyacetic acid

HRID 567311
Notes
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Reaction equation

HRID 567311 reaction equation
[CH3:1][C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][C:3]=1[CH2:8][N:9]1[C:21]2[CH:20]=[CH:19][CH:18]=[C:17]([O:22][CH2:23][C:24]([O:26]C)=[O:25])[C:16]=2[C:15]2[C:10]1=[CH:11][CH:12]=[CH:13][C:14]=2[C:28](=[O:30])[NH2:29].[OH-].[Na+]>C(O)C>[CH3:1][C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][C:3]=1[CH2:8][N:9]1[C:21]2[CH:20]=[CH:19][CH:18]=[C:17]([O:22][CH2:23][C:24]([OH:26])=[O:25])[C:16]=2[C:15]2[C:10]1=[CH:11][CH:12]=[CH:13][C:14]=2[C:28](=[O:30])[NH2:29]
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 2

HCID 14798Sodium HydroxideHCID 86756270{9-[(2-Methylphenyl)methyl]-5-carbamoylcarbazol-4-yl}oxyacetic acid, methyl ester

Product 1

HCID 10157088{9-[(2-Methylphenyl)methyl]-5-carbamoylcarbazol-4-yl}oxyacetic acidYield 66.8%

Reagents, catalysts & solvents 1

HCID 702EthanolSolvent

Conditions

Temperature
25 °C

Procedure

A suspension of the {9-[(2-methylphenyl)methyl]-5-carbamoylcarbazol-4-yl}oxyacetic acid, methyl ester (15.5 mg, 0.039 mM) and 0.04 mL (0.04 mM) of 1 N NaOH in 5 mL of ethanol was stirred for 24 hours at 25° C. The resultant white precipitate was collected by filtration, washed with a small amount of EtOH, then dried in vacuo to afford 10 mg (63%) of the {9-[(2-methylphenyl)methyl]-5-carbamoylcarbazol-4-yl}oxyacetic acid, sodium salt as a white powder. 1H NMR (DMSO-d6) δ 7.55 (br s, 1H), 7.5-7.0 (m, 7H), 6.9 (d, 1H, J=8 Hz), 6.85 (t, 1H, J=8 Hz), 6.6 (d, 1H, J=8 Hz), 6.2 (d, 1H, J=8 Hz), 5.6 (s, 2H), 4.35 (s, 2H), and 2.5 (s, 3H). IR (KBr, cm−1) 3390, 1656, 1613, 1595, 1573, 1498, 1455, 1408, 1325, 1332, and 719. MS (ES) m/e 387, 389.

Workup

  1. filtrationThe resultant white precipitate was collected by filtration
  2. washwashed with a small amount of EtOH
  3. customdried in vacuo

Sources & evidence

ORD record
ord-aa5d24b2ad52495c98afe4dd421db92f
Source dataset
uspto-grants-2001_01
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06177440B1

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes