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Triethylamine → 4-Fluoro-2-(4-fluorophenyl)-N-methyl-5-(2-methyl-5-(1-(pyridazin-3-yl)cyclopropylcarbamoyl)phenyl)benzofuran-3-carboxamide

HRID 1672058
Notes
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Reaction equation

HRID 1672058 reaction equation
[F:1][C:2]1[C:7]2[C:8]([C:18](=[O:21])[NH:19][CH3:20])=[C:9]([C:11]3[CH:16]=[CH:15][C:14]([F:17])=[CH:13][CH:12]=3)[O:10][C:6]=2[CH:5]=[CH:4][C:3]=1[C:22]1[CH:23]=[C:24]([CH:28]=[CH:29][C:30]=1[CH3:31])[C:25]([OH:27])=O.Cl.[N:33]1[CH:38]=[CH:37][CH:36]=[C:35]([C:39]2([NH2:42])[CH2:41][CH2:40]2)[N:34]=1.C(N(CC)CC)C>CN(C=O)C>[F:1][C:2]1[C:7]2[C:8]([C:18]([NH:19][CH3:20])=[O:21])=[C:9]([C:11]3[CH:12]=[CH:13][C:14]([F:17])=[CH:15][CH:16]=3)[O:10][C:6]=2[CH:5]=[CH:4][C:3]=1[C:22]1[CH:23]=[C:24]([C:25](=[O:27])[NH:42][C:39]2([C:35]3[N:34]=[N:33][CH:38]=[CH:37][CH:36]=3)[CH2:41][CH2:40]2)[CH:28]=[CH:29][C:30]=1[CH3:31]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 8471TriethylamineHCID 592756803-(4-Fluoro-2-(4-fluorophenyl)-3-(methylcarbamoyl)benzofuran-5-yl)-4-methylbenzoic acidHCID 672914801-(Pyridazin-3-yl)cyclopropanamine hydrochloride

Product 1

HCID 595051564-Fluoro-2-(4-fluorophenyl)-N-methyl-5-(2-methyl-5-(1-(pyridazin-3-yl)cyclopropylcarbamoyl)phenyl)benzofuran-3-carboxamide

Reagents, catalysts & solvents 1

HCID 6228
Dimethylformamide
Solvent

Procedure

To a mixture 3-(4-fluoro-2-(4-fluorophenyl)-3-(methylcarbamoyl)benzofuran-5-yl)-4-methylbenzoic acid (0.04 g, 0.095 mmol, 1 eq), 1-(pyridazin-3-yl)cyclopropanamine HCl salt (0.017, 0.095 mmol, 1 eq) and Py-Bop (0.064 g, 0.12 mmol, 1.3 eq) in DMF at ambient temperature under nitrogen was added triethylamine (0.029 g, 0.28 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 preparative HPLC. Yield: 0.029 g (57%). 1H NMR (400 MHz, CD3OD): δ 9.14 (d, J=3.6 Hz, 1H), 7.97-7.85 (m, 6H), 7.56 (d, J=8.4 Hz, 1H), 7.51 (d, J=8.0 Hz, 1H), 7.34-7.28 (m, 3H), 2.96 (s, 3H), 2.30 (s, 3H), 1.89-1.86 (m, 2H), 1.62-1.59 (m, 2H). 19F NMR (376.57 MHz, CD3OD): δ−77.63 (TFA), −112.22, −112.77 LCMS: (ES+) m/z=539.2 (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 preparative HPLC

Sources & evidence

ORD record
ord-d97b212d00604168b116f40afe4536e4
Source dataset
uspto-grants-2011_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07994171B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes