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3-(4-{5-[3-(trifluoromethyl)-4-(2,2,2-trifluoro-1-methylethoxy)phenyl]-1,2,4-oxadiazol-3-yl}-2,3-dihydro-1H-indol-1-yl)propanamide → 3-(4-{5-[3-(trifluoromethyl)-4-(2,2,2-trifluoro-1-methylethoxy)phenyl]-1,2,4-oxadiazol-3-yl}-1H-indol-1-yl) propanamide

HRID 552865
Notes
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Reaction equation

HRID 552865 reaction equation
[F:1][C:2]([F:36])([F:35])[C:3]1[CH:4]=[C:5]([C:16]2[O:20][N:19]=[C:18]([C:21]3[CH:29]=[CH:28][CH:27]=[C:26]4[C:22]=3[CH2:23][CH2:24][N:25]4[CH2:30][CH2:31][C:32]([NH2:34])=[O:33])[N:17]=2)[CH:6]=[CH:7][C:8]=1[O:9][CH:10]([CH3:15])[C:11]([F:14])([F:13])[F:12]>C(Cl)(Cl)Cl.[O-2].[O-2].[Mn+4]>[F:36][C:2]([F:1])([F:35])[C:3]1[CH:4]=[C:5]([C:16]2[O:20][N:19]=[C:18]([C:21]3[CH:29]=[CH:28][CH:27]=[C:26]4[C:22]=3[CH:23]=[CH:24][N:25]4[CH2:30][CH2:31][C:32]([NH2:34])=[O:33])[N:17]=2)[CH:6]=[CH:7][C:8]=1[O:9][CH:10]([CH3:15])[C:11]([F:12])([F:14])[F:13]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 1

HCID 592142583-(4-{5-[3-(trifluoromethyl)-4-(2,2,2-trifluoro-1-methylethoxy)phenyl]-1,2,4-oxadiazol-3-yl}-2,3-dihydro-1H-indol-1-yl)propanamide

Product 1

HCID 592141903-(4-{5-[3-(trifluoromethyl)-4-(2,2,2-trifluoro-1-methylethoxy)phenyl]-1,2,4-oxadiazol-3-yl}-1H-indol-1-yl) propanamideYield 46.5%

Reagents, catalysts & solvents 2

HCID 178418406HCID 178418406, compoundCatalystHCID 6212
Chloroform
Solvent

Procedure

To a solution of 3-(4-{5-[3-(trifluoromethyl)-4-(2,2,2-trifluoro-1-methylethoxy)phenyl]-1,2,4-oxadiazol-3-yl}-2,3-dihydro-1H-indol-1-yl)propanamide (100 mg) in chloroform (1 ml) was added manganese dioxide (67.6 mg), followed by reflux for 15 hours. The reaction solution was left to be cooled to room temperature, and filtered through Celite to remove manganese dioxide. The filtrate was concentrated under reduced pressure. The residue was purified by silica gel column chromatography (chloroform:CH3OH=100:0 to 90:10) to obtain 3-(4-{5-[3-(trifluoromethyl)-4-(2,2,2-trifluoro-1-methylethoxy)phenyl]-1,2,4-oxadiazol-3-yl}-1H-indol-1-yl) propanamide (46.3 mg).

Workup

  1. temperatureby reflux for 15 hours
  2. waitThe reaction solution was left
  3. filtrationfiltered through Celite
  4. customto remove manganese dioxide
  5. concentrationThe filtrate was concentrated under reduced pressure
  6. customThe residue was purified by silica gel column chromatography (chloroform:CH3OH=100:0 to 90:10)

Sources & evidence

ORD record
ord-de8d4aef057a49a8863768373d96825b
Source dataset
uspto-grants-2011_05
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07951825B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes