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Methanol → Methyl 4-chloro-3-(3-{[5-cyano-2-propyl-4-(trifluoromethyl)-1H-indol-1-yl]methyl}-1,2,4-oxadiazol-5-yl)benzoate

HRID 1188605
Notes
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Reaction equation

HRID 1188605 reaction equation
[Cl:1][C:2]1[CH:7]=[CH:6][C:5](I)=[CH:4][C:3]=1[C:9]1[O:13][N:12]=[C:11]([CH2:14][N:15]2[C:23]3[C:18](=[C:19]([C:26]([F:29])([F:28])[F:27])[C:20]([C:24]#[N:25])=[CH:21][CH:22]=3)[CH:17]=[C:16]2[CH2:30][CH2:31][CH3:32])[N:10]=1.[CH3:33][OH:34].CN([CH:38]=[O:39])C>CC([O-])=O.CC([O-])=O.[Pd+2]>[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([C:33]([O:39][CH3:38])=[O:34])=[CH:4][C:3]=1[C:9]1[O:13][N:12]=[C:11]([CH2:14][N:15]2[C:23]3[C:18](=[C:19]([C:26]([F:28])([F:29])[F:27])[C:20]([C:24]#[N:25])=[CH:21][CH:22]=3)[CH:17]=[C:16]2[CH2:30][CH2:31][CH3:32])[N:10]=1
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 887MethanolHCID 6228DimethylformamideHCID 578001721-{[5-(2-Chloro-5-iodophenyl)-1,2,4-oxadiazol-3-yl]methyl}-2-propyl-4-(trifluoromethyl)-1H-indole-5-carbonitrile

Product 1

HCID 57800414Methyl 4-chloro-3-(3-{[5-cyano-2-propyl-4-(trifluoromethyl)-1H-indol-1-yl]methyl}-1,2,4-oxadiazol-5-yl)benzoateYield 64%

Reagents, catalysts & solvents 1

HCID 167845
palladium(II) acetate
Catalyst

Conditions

Temperature
70 °C

Procedure

A solution containing 1-{[5-(2-chloro-5-iodophenyl)-1,2,4-oxadiazol-3-yl]methyl}-2-propyl-4-(trifluoromethyl)-1H-indole-5-carbonitrile (Example 291) (0.378 g, 0.662 mmol), 1,1-bisdiphenylphosphinoferrocene (0.073 g, 0.132 mmol), E3N (1.0 mL, 13.6 mmol), Pd(OAc)2 (0.032 g, 0.132 mmol), anhydrous MeOH (2.0 mL) and anhydrous DMF (20 mL). The mixture was then stirred at 70° C. under a carbon monoxide atmosphere for a period of 4 h and then allowed to cooled to rt. The reaction was partitioned between NaHCO3 and EtOAc, dried (MgSO4) and concentrated to dryness. The mixture was purified on a biotage prepak column (0-10% EtOAc-hexanes gradient) to give 0.214 g (64% yield) of pure product: MS (ES) m/z 502 (M+).

Workup

  1. temperatureto cooled to rt
  2. customThe reaction was partitioned between NaHCO3 and EtOAc
  3. dry with materialdried (MgSO4)
  4. concentrationconcentrated to dryness
  5. customThe mixture was purified on a biotage prepak column (0-10% EtOAc-hexanes gradient)

Sources & evidence

ORD record
ord-688769b70cc24a66acb6204eac24b6e4
Source dataset
uspto-grants-2014_03
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08673948B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes