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Sodium Carbonate → 2-(2-(2-(3,5-Dimethylphenyl)-1H-indol-3-yl)ethyl)isoindoline-1,3-dione

HRID 1458334
Notes
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Reaction equation

HRID 1458334 reaction equation
Br[C:2]1[NH:3][C:4]2[C:9]([C:10]=1[CH2:11][CH2:12][N:13]1[C:21](=[O:22])[C:20]3[C:15](=[CH:16][CH:17]=[CH:18][CH:19]=3)[C:14]1=[O:23])=[CH:8][CH:7]=[CH:6][CH:5]=2.[CH3:24][C:25]1[CH:26]=[C:27](B(O)O)[CH:28]=[C:29]([CH3:31])[CH:30]=1.C(=O)([O-])[O-].[Na+].[Na+].[Cl-].[Li+]>C1(C)C=CC=CC=1.C(O)C.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[CH3:24][C:25]1[CH:26]=[C:27]([C:2]2[NH:3][C:4]3[C:9]([C:10]=2[CH2:11][CH2:12][N:13]2[C:21](=[O:22])[C:20]4[C:15](=[CH:16][CH:17]=[CH:18][CH:19]=4)[C:14]2=[O:23])=[CH:8][CH:7]=[CH:6][CH:5]=3)[CH:28]=[C:29]([CH3:31])[CH:30]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

8

Reactant 4

HCID 10340Sodium CarbonateHCID 433294Lithium ChlorideHCID 27343493,5-Dimethylphenylboronic acidHCID 109706542-[2-(2-bromo-1H-indol-3-yl)-ethyl]-isoindole-1,3-dione

Product 1

HCID 153130482-(2-(2-(3,5-Dimethylphenyl)-1H-indol-3-yl)ethyl)isoindoline-1,3-dione

Reagents, catalysts & solvents 3

HCID 178418397
HCID 178418397, compound
Catalyst
HCID 702EthanolSolvent
HCID 1140TolueneSolvent

Procedure

To a solution of 2-[2-(2-bromo-1H-indol-3-yl)-ethyl]-isoindole-1,3-dione (150 mg in a mixture of 5 mL toluene and 5 mL ethanol) was added 3,5-dimethylphenyl boronic acid (85 mg) followed by 1.0 mL of 1M sodium carbonate. To the stirred solution was added lithium chloride (60 mg) followed by tetrakis(triphenylphosphine)palladium (28 mg) and the mixture heated to reflux on an oil bath. After 4 hours the mixture was cooled to room temperature and concentrated in vacuo. Purification by flash chromatography on silica gel (hexane:ethyl acetate, 5:1) gave the title compound (146 mg).

Workup

  1. temperaturethe mixture heated
  2. temperatureto reflux on an oil bath
  3. concentrationconcentrated in vacuo
  4. customPurification by flash chromatography on silica gel (hexane:ethyl acetate, 5:1)

Sources & evidence

ORD record
ord-6f01e3c9e75649c1887b3fcda9a35afc
Source dataset
uspto-grants-1998_12
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US05849764

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes