Hydrochloric Acid → 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

HRID 521788Notes

Reaction equation

HRID 521788 reaction equation
[C:1]([O:5][C:6](=[O:46])[CH2:7][CH2:8][C@H:9]([NH:13][C:14]([C:16]1[CH:20]=[C:19]([C:21]2[CH:26]=[C:25]([O:27][C:28]3[CH:33]=[CH:32][C:31]([NH:34][C:35]([NH:37][C:38]4[CH:43]=[CH:42][CH:41]=[C:40]([CH3:44])[CH:39]=4)=[O:36])=[C:30]([F:45])[CH:29]=3)[CH:24]=[CH:23][N:22]=2)[NH:18][CH:17]=1)=[O:15])[C:10](O)=[O:11])([CH3:4])([CH3:3])[CH3:2].CN(C(O[N:55]1N=N[C:57]2C=CC=N[C:56]1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.C(N(CC)C(C)C)(C)C.C(N)C.C1COCC1.Cl>CN(C=O)C.O>[CH2:56]([NH:55][C:10](=[O:11])[C@@H:9]([NH:13][C:14]([C:16]1[CH:20]=[C:19]([C:21]2[CH:26]=[C:25]([O:27][C:28]3[CH:33]=[CH:32][C:31]([NH:34][C:35]([NH:37][C:38]4[CH:43]=[CH:42][CH:41]=[C:40]([CH3:44])[CH:39]=4)=[O:36])=[C:30]([F:45])[CH:29]=3)[CH:24]=[CH:23][N:22]=2)[NH:18][CH:17]=1)=[O:15])[CH2:8][CH2:7][C:6]([O:5][C:1]([CH3:2])([CH3:3])[CH3:4])=[O:46])[CH3:57]

Participants

9

Reactant 6

HCID 313Hydrochloric AcidHCID 6341EthylamineHCID 8028TetrahydrofuranHCID 81531DiisopropylethylamineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 67042314(2S)-5-tert-butoxy-2-{[(5-{4-[3-fluoro-4-({[(3-methylphenyl)amino]carbonyl}amino)phenoxy]pyridin-2-yl}-1H-pyrrol-3-yl)carbonyl]amino}-5-oxopentanoic acid

Product 1

HCID 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

Reagents, catalysts & solvents 2

HCID 962WaterSolventHCID 6228DimethylformamideSolvent

Procedure

A mixture of (2S)-5-tert-butoxy-2-{[(5-{4-[3-fluoro-4-({[(3-methylphenyl)amino]carbonyl}amino)phenoxy]pyridin-2-yl}-1H-pyrrol-3-yl)carbonyl]amino}-5-oxopentanoic acid (80 mg, 0.13 mmol), HATU (57 mg, 0.15 mmol) and N,N-diisopropylethylamine (49 mg, 0.38 mmol) in anhydrous DMF (8 ml) was stirred at room temperature for 10 minutes, followed by addition of 2M ethylamine in THF solution (0.1 ml, 0.2 mmol). The mixture was stirred for another 10 minutes and poured into 100 ml of water. 2M HCl was added dropwise until pH=5. The precipitates were filtered, washed with water and dried in vacuo to give the crude, which was purified by silica gel chromatography eluting with 4˜5% MeOH/CHCl3 to give 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 as white solid. Yield: 40 mg, 48%.

Workup

  1. stirringThe mixture was stirred for another 10 minutes
  2. filtrationThe precipitates were filtered
  3. washwashed with water
  4. customdried in vacuo
  5. customto give the crude, which
  6. customwas purified by silica gel chromatography
  7. washeluting with 4˜5% MeOH/CHCl3

Sources & evidence

ORD record
ord-35731db9909f4ea2a7f4ef075b44dd8f
Source dataset
uspto-grants-2016_05
Patent number
US09328103B2

Reaction notes

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