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Isobutyryl chloride → 1-Benzyl-N-(3,4-difluorobenzyl)-6-isobutyramido-2-isopropyl-1H-indole-3-carboxamide

HRID 40124
Notes
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Reaction equation

HRID 40124 reaction equation
[NH2:1][C:2]1[CH:10]=[C:9]2[C:5]([C:6]([C:21]([NH:23][CH2:24][C:25]3[CH:30]=[CH:29][C:28]([F:31])=[C:27]([F:32])[CH:26]=3)=[O:22])=[C:7]([CH:18]([CH3:20])[CH3:19])[N:8]2[CH2:11][C:12]2[CH:17]=[CH:16][CH:15]=[CH:14][CH:13]=2)=[CH:4][CH:3]=1.[CH:33]([C:36](Cl)=[O:37])([CH3:35])[CH3:34]>C(Cl)Cl.CN(C1C=CN=CC=1)C.CCOC(C)=O>[CH2:11]([N:8]1[C:9]2[C:5](=[CH:4][CH:3]=[C:2]([NH:1][C:36](=[O:37])[CH:33]([CH3:35])[CH3:34])[CH:10]=2)[C:6]([C:21]([NH:23][CH2:24][C:25]2[CH:30]=[CH:29][C:28]([F:31])=[C:27]([F:32])[CH:26]=2)=[O:22])=[C:7]1[CH:18]([CH3:19])[CH3:20])[C:12]1[CH:13]=[CH:14][CH:15]=[CH:16][CH:17]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 2

HCID 62325Isobutyryl chlorideHCID 597624316-Amino-1-benzyl-N-(3,4-difluorobenzyl)-2-isopropyl-1H-indole-3-carboxamide2×

Product 1

HCID 597622861-Benzyl-N-(3,4-difluorobenzyl)-6-isobutyramido-2-isopropyl-1H-indole-3-carboxamide

Reagents, catalysts & solvents 3

HCID 142844-(Dimethylamino)pyridineCatalyst
HCID 6344
Dichloromethane
Solvent
HCID 8857Ethyl AcetateSolvent

Procedure

To a solution of 6-amino-1-benzyl-N-(3,4-difluorobenzyl)-2-isopropyl-1H-indole-3-carboxamide (Compound 125, 18 mg, 0.042 mmol) in CH2Cl2 (1 ml) was added i-PrCOCl (8.7 μl, 0.089 mmol) and DMAP (10 mg, 0.089 mmol). The reaction was stirred at room temperature for 2 h, diluted with EtOAc, washed with aqueous Na2CO3 and brine, dried over Na2SO4, and concentrated in vacuo. The residue was purified by chromatography on silica gel (0→50% EtOAc-hexanes) to yield the title compound.

Workup

  1. washwashed with aqueous Na2CO3 and brine
  2. dry with materialdried over Na2SO4
  3. concentrationconcentrated in vacuo
  4. customThe residue was purified by chromatography on silica gel (0→50% EtOAc-hexanes)

Sources & evidence

ORD record
ord-692259bc8a5a41b4baef521b21644de9
Source dataset
uspto-grants-2013_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08524917B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes