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Triethylamine → 2-(4-Fluorophenyl)-5-(4-methoxy-2-methyl-5-(1-(pyridazin-3-yl)cyclo propylcarbamoyl)phenyl)-N-methylbenzofuran-3-carboxamide

HRID 1688367
Notes
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Reaction equation

HRID 1688367 reaction equation
[F:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[O:9][C:10]3[CH:20]=[CH:19][C:18]([C:21]4[C:22]([CH3:32])=[CH:23][C:24]([O:30][CH3:31])=[C:25]([CH:29]=4)[C:26]([OH:28])=O)=[CH:17][C:11]=3[C:12]=2[C:13](=[O:16])[NH:14][CH3:15])=[CH:4][CH:3]=1.Cl.[N:34]1[CH:39]=[CH:38][CH:37]=[C:36]([C:40]2([NH2:43])[CH2:42][CH2:41]2)[N:35]=1.C(N(CC)CC)C>CN(C=O)C>[F:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[O:9][C:10]3[CH:20]=[CH:19][C:18]([C:21]4[CH:29]=[C:25]([C:26](=[O:28])[NH:43][C:40]5([C:36]6[N:35]=[N:34][CH:39]=[CH:38][CH:37]=6)[CH2:42][CH2:41]5)[C:24]([O:30][CH3:31])=[CH:23][C:22]=4[CH3:32])=[CH:17][C:11]=3[C:12]=2[C:13]([NH:14][CH3:15])=[O:16])=[CH:4][CH:3]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 8471TriethylamineHCID 592756045-(2-(4-Fluorophenyl)-3-(methylcarbamoyl)benzofuran-5-yl)-2-methoxy-4-methylbenzoic acidHCID 672914801-(Pyridazin-3-yl)cyclopropanamine hydrochloride

Product 1

HCID 595051672-(4-Fluorophenyl)-5-(4-methoxy-2-methyl-5-(1-(pyridazin-3-yl)cyclo propylcarbamoyl)phenyl)-N-methylbenzofuran-3-carboxamide

Reagents, catalysts & solvents 1

HCID 6228
Dimethylformamide
Solvent

Procedure

To a mixture of 5-(2-(4-fluorophenyl)-3-(methylcarbamoyl)benzofuran-5-yl)-2-methoxy-4-methylbenzoic acid (0.04 g, 0.092 mmol, 1 eq), 1-(pyridazin-3-yl)cyclopropanamine HCl salt (0.017 g, 0.092 mmol, 1 eq) and Py-Bop (0.062 g, 0.12 mmol, 1.3 eq) in DMF at ambient temperature under nitrogen was added triethylamine (0.028 g, 0.3 mmol, 3 eq). The clear mixture was stirred at ambient temperature for 12 h. The mixture was concentrated, diluted with water and extracted with EtOAc. The organic layer was further washed with water, dried over sodium sulphate and concentrated. The product obtained was purified by flash column chromatography using 4% MeOH/CHCl3 as eluant. Yield: 0.032 g (63%). 1H NMR (400 MHz, CD3OD): δ 9.15 (s, 1H), 9.00 (d, J=3.8 Hz, 1H), 8.53-8.40 (m, 1H), 8.02-7.95 (m, 2H), 7.84 (dd, J=1.5, 8.5 Hz, 1H), 7.79 (s, 1H), 7.70-7.62 (m, 2H), 7.59 (d, J=1.5 Hz, 1H), 7.34 (dd, J=1.8, 8.5 Hz, 1H), 7.31-7.26 (m, 2H), 7.16 (s, 1H), 4.09 (s, 3H), 2.98-2.95 (m, 3H), 2.38 (s, 3H), 1.89-1.87 (m, 2H), 1.57-1.52 (m, 2H). 19F NMR (376.57 MHz, CD3OD): δ −112.66 LCMS: (ES+) m/z=551.2 (M+H)+

Workup

  1. concentrationThe mixture was concentrated
  2. additiondiluted with water
  3. extractionextracted with EtOAc
  4. washThe organic layer was further washed with water
  5. dry with materialdried over sodium sulphate
  6. concentrationconcentrated
  7. customThe product obtained
  8. customwas purified by flash column chromatography

Sources & evidence

ORD record
ord-4c3fbbd03f4b407fac54f8ce5afba9a6
Source dataset
uspto-grants-2012_04
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08148382B2

Reaction notes

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