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Dimethylformamide → 5-[5-Fluoro-2-oxo-1,2-dihydro-indol-(3Z)-ylidenemethyl]-2,4-dimethyl-1H-pyrrole-3-carboxylic acid ((S)-2-oxo-pyrrolidin-3-yl)-amide

HRID 38033
Notes
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Reaction equation

HRID 38033 reaction equation
N1C2C(=NC=CC=2)N([N:10]2[C:14](/[CH:15]=[C:16]3\[C:17](=[O:26])[NH:18][C:19]4[C:24]\3=[CH:23][C:22]([F:25])=[CH:21][CH:20]=4)=[C:13]([CH3:27])[C:12]([C:28]([O-:30])=O)=[C:11]2[CH3:31])N=1.[CH3:32][CH2:33][N:34](C(C)C)C(C)C.[CH3:41][N:42]([CH:44]=[O:45])C>>[O:45]=[C:44]1[C@@H:33]([NH:34][C:28]([C:12]2[C:13]([CH3:27])=[C:14](/[CH:15]=[C:16]3\[C:17](=[O:26])[NH:18][C:19]4[C:24]\3=[CH:23][C:22]([F:25])=[CH:21][CH:20]=4)[NH:10][C:11]=2[CH3:31])=[O:30])[CH2:32][CH2:41][NH:42]1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 3

HCID 6228DimethylformamideHCID 81531DiisopropylethylamineHCID 131727992(Z)-3H-[1,2,3]triazolo[4,5-b]pyridin-3-yl-5-((5-fluoro-2-oxoindolin-3-ylidene)methyl)-2,4-dimethyl-1H-pyrrole-3-carboxylate

Product 1

HCID 592159295-[5-Fluoro-2-oxo-1,2-dihydro-indol-(3Z)-ylidenemethyl]-2,4-dimethyl-1H-pyrrole-3-carboxylic acid ((S)-2-oxo-pyrrolidin-3-yl)-amideYield 27%

Procedure

To the solution of A4 (334 mg, 0.8 mmol) and DIEA (1 mL) in 20 mL of DMF was added 25b (120 mg, 1.28 mmol). The reaction mixture was stirred at room temperature for several hours. LC/MS was applied to determine completion of the reaction. DMF was evaporated under reduced pressure and the residue was precipitated with 5% diethylamine/methanol (10 mL). The precipitate was collected by filtration, washed with ethanol and dried in vacuum to give title compound as an orange solid (83 mg, 27% yield). 1H NMR (300 MHz, DMSO-d6): δ=13.68 (s, 1H), 10.89 (s, 1H), 7.71-7.82 (m, 4H), 6.82-6.96 (m, 2H), 4.47-4.56 (q, 1H), 3.18-3.25 (m, 2H), 2.42-2.45 (ds, 6H), 2.27-2.39 (m, 1H), 1.92-2.00 (q, 1H). LC/MS: 383.0 [M+H]+.

Workup

  1. customcompletion of the reaction
  2. customDMF was evaporated under reduced pressure
  3. customthe residue was precipitated with 5% diethylamine/methanol (10 mL)
  4. filtrationThe precipitate was collected by filtration
  5. washwashed with ethanol
  6. customdried in vacuum

Sources & evidence

ORD record
ord-308a801c3cd447d6895dbd48082cdcf3
Source dataset
uspto-grants-2013_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08524709B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes