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Methyl iodide → N-{4-[4-(Diethylcarbamoyl-phenyl-methyl)-piperazin-1-yl]-3-fluoro-phenyl}-2-ethyl-N-methyl-butyramide

HRID 1927615
Notes
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Reaction equation

HRID 1927615 reaction equation
[CH2:1]([N:3]([CH2:34][CH3:35])[C:4]([CH:6]([C:28]1[CH:33]=[CH:32][CH:31]=[CH:30][CH:29]=1)[N:7]1[CH2:12][CH2:11][N:10]([C:13]2[CH:18]=[CH:17][C:16]([NH:19][C:20](=[O:26])[CH:21]([CH2:24][CH3:25])[CH2:22][CH3:23])=[CH:15][C:14]=2[F:27])[CH2:9][CH2:8]1)=[O:5])[CH3:2].[H-].[Na+].[CH3:38]I>CN(C=O)C.O>[CH2:34]([N:3]([CH2:1][CH3:2])[C:4]([CH:6]([C:28]1[CH:29]=[CH:30][CH:31]=[CH:32][CH:33]=1)[N:7]1[CH2:8][CH2:9][N:10]([C:13]2[CH:18]=[CH:17][C:16]([N:19]([CH3:38])[C:20](=[O:26])[CH:21]([CH2:24][CH3:25])[CH2:22][CH3:23])=[CH:15][C:14]=2[F:27])[CH2:11][CH2:12]1)=[O:5])[CH3:35]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 6328Methyl iodideHCID 24758Sodium hydrideHCID 16666511N-{4-[4-(Diethylcarbamoyl-phenyl-methyl)-piperazin-1-yl]-3-fluoro-phenyl}-2-ethyl-butyramide

Product 1

HCID 16665202N-{4-[4-(Diethylcarbamoyl-phenyl-methyl)-piperazin-1-yl]-3-fluoro-phenyl}-2-ethyl-N-methyl-butyramideYield 50.3%

Reagents, catalysts & solvents 2

HCID 962
Water
Solvent
HCID 6228DimethylformamideSolvent

Procedure

A solution of N-{4-[4-(diethylcarbamoyl-phenyl-methyl)-piperazin-1-yl]-3-fluoro-phenyl}-2-ethyl-butyramide (48 mg, 0.10 mmol) in DMF (2 mL) was treated with NaH (60% in mineral oil; 5 mg, 0.12 mmol). After 10 min, MeI (7 μL, 0.12 mmol) was added. After 3 h, the mixture was diluted with water and extracted with DCM. The organic layer was concentrated to give an oil, which was purified by PTLC to give an off white solid (25 mg, 50%). MS (ESI): mass calcd. for C29H41FN4O2, 496.96. m/z found, 497.5 [M+H]+. 1H NMR (CDCl3): 7.49-7.46 (m, 2H), 7.40-7.32 (m, 3H), 6.93-6.89 (m, 1H), 6.87-6.81 (m, 2H), 4.37 (s, 1H), 3.51-3.47 (m, 1H), 3.45-3.40 (m, 1H), 3.33-3.25 (m, 1H), 3.24 (s, 3H), 3.19-3.16 (m, 5H), 2.75-2.70 (m, 4H), 2.23-2.19 (m, 1H), 1.63-1.56 (m, 2H), 1.41-1.33 (m, 2H), 1.12-1.05 (m, 6H), 0.81 (t, J=7.4, 6H).

Workup

  1. waitAfter 3 h
  2. extractionextracted with DCM
  3. concentrationThe organic layer was concentrated
  4. customto give an oil, which
  5. customwas purified by PTLC

Sources & evidence

ORD record
ord-d1556254adb94b2aaf59e131b339be3c
Source dataset
uspto-grants-2012_05
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08183239B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes