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Trifluoroacetic acid → (4S)-5-(ethylamino)-4-{[(5-{4-[3-fluoro-4-({[(3-methylphenyl)amino]carbonyl}amino)phenoxy]pyridin-2-yl}-1H-pyrrol-3-yl)carbonyl]amino}-5-oxopentanoic acid

HRID 1402503
Notes
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Reaction equation

HRID 1402503 reaction equation
[CH2:1]([NH:3][C:4](=[O:48])[C@@H:5]([NH:15][C:16]([C:18]1[CH:22]=[C:21]([C:23]2[CH:28]=[C:27]([O:29][C:30]3[CH:35]=[CH:34][C:33]([NH:36][C:37]([NH:39][C:40]4[CH:45]=[CH:44][CH:43]=[C:42]([CH3:46])[CH:41]=4)=[O:38])=[C:32]([F:47])[CH:31]=3)[CH:26]=[CH:25][N:24]=2)[NH:20][CH:19]=1)=[O:17])[CH2:6][CH2:7][C:8]([O:10]C(C)(C)C)=[O:9])[CH3:2].C(O)(C(F)(F)F)=O>C(Cl)Cl>[CH2:1]([NH:3][C:4](=[O:48])[C@@H:5]([NH:15][C:16]([C:18]1[CH:22]=[C:21]([C:23]2[CH:28]=[C:27]([O:29][C:30]3[CH:35]=[CH:34][C:33]([NH:36][C:37]([NH:39][C:40]4[CH:45]=[CH:44][CH:43]=[C:42]([CH3:46])[CH:41]=4)=[O:38])=[C:32]([F:47])[CH:31]=3)[CH:26]=[CH:25][N:24]=2)[NH:20][CH:19]=1)=[O:17])[CH2:6][CH2:7][C:8]([OH:10])=[O:9])[CH3:2]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

4

Reactant 2

HCID 6422Trifluoroacetic acidHCID 67042748tert-butyl (4S)-5-(ethylamino)-4-{[(5-{4-[3-fluoro-4-({[(3-methylphenyl)amino]carbonyl}amino)phenoxy]pyridin-2-yl}-1H-pyrrol-3-yl)carbonyl]amino}-5-oxopentanoate

Product 1

HCID 67042538(4S)-5-(ethylamino)-4-{[(5-{4-[3-fluoro-4-({[(3-methylphenyl)amino]carbonyl}amino)phenoxy]pyridin-2-yl}-1H-pyrrol-3-yl)carbonyl]amino}-5-oxopentanoic acid

Reagents, catalysts & solvents 1

HCID 6344
Dichloromethane
Solvent

Procedure

To a stirred solution of tert-butyl (4S)-5-(ethylamino)-4-{[(5-{4-[3-fluoro-4-({[(3-methylphenyl)amino]carbonyl}amino)phenoxy]pyridin-2-yl}-1H-pyrrol-3-yl)carbonyl]amino}-5-oxopentanoate (30 mg, 0.046 mmol) in 5 ml of methylene chloride was added 2 ml of TFA. The mixture was stirred at room temperature for 1 hour, and evaporated to dryness. The residue was dissolved in MeOH (3 ml), which was added dropwise into 100 ml of water with vigorous stirring. The precipitates were filtered, washed with water and dried to give (4S)-5-(ethylamino)-4-{[(5-{4-[3-fluoro-4-({[(3-methylphenyl)amino]carbonyl}amino)phenoxy]pyridin-2-yl}-1H-pyrrol-3-yl)carbonyl]amino}-5-oxopentanoic acid as white solid. Yield: 20 mg, 74%.

Workup

  1. customevaporated to dryness
  2. dissolutionThe residue was dissolved in MeOH (3 ml)
  3. additionwhich was added dropwise into 100 ml of water with vigorous stirring
  4. filtrationThe precipitates were filtered
  5. washwashed with water
  6. customdried

Sources & evidence

ORD record
ord-8e324d1a9dce49b6a629d9c49a60b04a
Source dataset
uspto-grants-2014_12
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08906944B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes