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Triethylamine → N-(4-{3-tert-Butyl-5-[({[4-(pyridin-4-yloxy)-phenyl]amino}carbonyl)amino]-1H-pyrazol-1-yl}phenyl)-3-methoxypropanamide

HRID 1174865
Notes
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Reaction equation

HRID 1174865 reaction equation
[NH2:1][C:2]1[CH:7]=[CH:6][C:5]([N:8]2[C:12]([NH:13][C:14]([NH:16][C:17]3[CH:22]=[CH:21][C:20]([O:23][C:24]4[CH:29]=[CH:28][N:27]=[CH:26][CH:25]=4)=[CH:19][CH:18]=3)=[O:15])=[CH:11][C:10]([C:30]([CH3:33])([CH3:32])[CH3:31])=[N:9]2)=[CH:4][CH:3]=1.[CH3:34][O:35][CH2:36][CH2:37][C:38](Cl)=[O:39].CCN(CC)CC>C1COCC1>[C:30]([C:10]1[CH:11]=[C:12]([NH:13][C:14]([NH:16][C:17]2[CH:22]=[CH:21][C:20]([O:23][C:24]3[CH:25]=[CH:26][N:27]=[CH:28][CH:29]=3)=[CH:19][CH:18]=2)=[O:15])[N:8]([C:5]2[CH:6]=[CH:7][C:2]([NH:1][C:38](=[O:39])[CH2:37][CH2:36][O:35][CH3:34])=[CH:3][CH:4]=2)[N:9]=1)([CH3:33])([CH3:32])[CH3:31]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 8471TriethylamineHCID 27597283-Methoxypropanoyl chlorideHCID 536301891-[2-(4-aminophenyl)-5-tert-butyl-2H-pyrazol-3-yl]-3-[4-(pyridin-4-yloxy)phenyl]urea

Product 1

HCID 11562765N-(4-{3-tert-Butyl-5-[({[4-(pyridin-4-yloxy)-phenyl]amino}carbonyl)amino]-1H-pyrazol-1-yl}phenyl)-3-methoxypropanamideYield 21.4%

Reagents, catalysts & solvents 1

HCID 8028
Tetrahydrofuran
Solvent

Procedure

To a solution of 1-[2-(4-aminophenyl)-5-tert-butyl-2H-pyrazol-3-yl]-3-[4-(pyridin-4-yloxy)phenyl]urea (200 mg, 0.45 mmol) and 3-methoxypropionyl chloride (55 mg, 0.45 mmol) in anhydrous THF (5 mL) was added Et3N (69 mg, 0.68 mmol). The reaction was stirred at room temperature for 7 h, and then partitioned between EtOAc (50 mL) and water (50 mL). The organic layer was washed with brine, dried over Na2SO4, and concentrated at reduced pressure. The residue was purified by MPLC (1:1 hexanes/EtOAc) to give 51 mg (21%) of the desired product. 1H-NMR (DMSO-d6) δ 10.16 (s, 1H), 9.14 (s, 1H), 8.42 (d, J=4.8 Hz, 2H), 8.34 (s, 1H), 7.74 (d, J=6.9 Hz, 2H), 7.48 (d, J=6.9 Hz, 2H), 7.43 (d, J=8.7 Hz, 2H), 7.08 (d, J=6.6 Hz, 2H), 6.88 (d, J=5.4 Hz, 2H), 6.35 (s, 1H), 3.63 (t, J=6.0 Hz, 2H), 3.33 (s, 3H), 2.57 (t, J=6.0 Hz, 2H), 1.27 (s, 9H); MS LC-MS [M+H]+=529, RT=2.20 min.

Workup

  1. custompartitioned between EtOAc (50 mL) and water (50 mL)
  2. washThe organic layer was washed with brine
  3. dry with materialdried over Na2SO4
  4. concentrationconcentrated at reduced pressure
  5. customThe residue was purified by MPLC (1:1 hexanes/EtOAc)

Sources & evidence

ORD record
ord-0d7f7fe65f1e41c79f10d7cd27d6ce20
Source dataset
uspto-grants-2010_11
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07838524B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes