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Ethylenediamine → 1-Benzyl-N-(3,4-difluorobenzyl)-6-(4,5-dihydro-1H-imidazol-2-yl)-2-isopropyl-1H-indole-3-carboxamide

HRID 40078
Notes
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Reaction equation

HRID 40078 reaction equation
[CH2:1]([N:8]1[C:16]2[C:11](=[CH:12][CH:13]=[C:14]([CH:17]=O)[CH:15]=2)[C:10]([C:19]([NH:21][CH2:22][C:23]2[CH:28]=[CH:27][C:26]([F:29])=[C:25]([F:30])[CH:24]=2)=[O:20])=[C:9]1[CH:31]([CH3:33])[CH3:32])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[CH2:34]([NH2:37])[CH2:35][NH2:36].C1C(=O)N(Br)C(=O)C1>C(Cl)Cl>[CH2:1]([N:8]1[C:16]2[C:11](=[CH:12][CH:13]=[C:14]([C:17]3[NH:36][CH2:35][CH2:34][N:37]=3)[CH:15]=2)[C:10]([C:19]([NH:21][CH2:22][C:23]2[CH:28]=[CH:27][C:26]([F:29])=[C:25]([F:30])[CH:24]=2)=[O:20])=[C:9]1[CH:31]([CH3:32])[CH3:33])[C:2]1[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=1
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 3301EthylenediamineHCID 67184N-bromobutanimideHCID 597623731-Benzyl-N-(3,4-difluorobenzyl)-6-formyl-2-isopropyl-1H-indole-3-carboxamide2×

Product 1

HCID 597622791-Benzyl-N-(3,4-difluorobenzyl)-6-(4,5-dihydro-1H-imidazol-2-yl)-2-isopropyl-1H-indole-3-carboxamide

Reagents, catalysts & solvents 1

HCID 6344
Dichloromethane
Solvent

Conditions

Temperature
0 °C

Procedure

To a solution of 1-benzyl-N-(3,4-difluorobenzyl)-6-formyl-2-isopropyl-1H-indole-3-carboxamide (Compound 53, 18 mg, 0.040 mmol) in CH2Cl2 (1 ml) at 0° C. under argon was added ethylene diamine (2.5 mg, 0.042 mmol). The mixture was stirred at 0° C. for 30 minutes, and then added NBS (8 mg, 0.042 mmol). The reaction was stirred at 25° C. for 12 h, quenched with NaHCO3 (aqueous), diluted with EtOAc, washed with H2O, brine, dried over Na2SO4, concentrated in vacuo. The residue was purified by chromatography on silica gel (100% EtOAc) to yield the title compound as a light yellow solid.

Workup

  1. stirringThe reaction was stirred at 25° C. for 12 h
  2. customquenched with NaHCO3 (aqueous)
  3. additiondiluted with EtOAc
  4. washwashed with H2O, brine
  5. dry with materialdried over Na2SO4
  6. concentrationconcentrated in vacuo
  7. customThe residue was purified by chromatography on silica gel (100% EtOAc)

Sources & evidence

ORD record
ord-7ed5fff473e34b04b84139b4dcfc2216
Source dataset
uspto-grants-2013_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08524917B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes