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Hydrochloric Acid → 2-[4-(2-Chloro-3-methoxyphenoxy)-2-oxo-2,5-dihydro-pyrrol-1-yl]-4-fluoro-4-methyl-pentanoic acid-[1-((R)-2,3-dihydroxy-propyl)-1H-pyrazol-3-yl]-amide

HRID 19185
Notes
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Reaction equation

HRID 19185 reaction equation
CC1(C)[O:6][C@H:5]([CH2:7][N:8]2[CH:12]=[CH:11][C:10]([NH:13][C:14](=[O:37])[CH:15]([N:21]3[CH2:25][C:24]([O:26][C:27]4[CH:32]=[CH:31][CH:30]=[C:29]([O:33][CH3:34])[C:28]=4[Cl:35])=[CH:23][C:22]3=[O:36])[CH2:16][C:17]([F:20])([CH3:19])[CH3:18])=[N:9]2)[CH2:4][O:3]1.Cl.O[C@@H](CO)CN1C=CC(NC(=O)C(N2CC(OC3C=CC=C(OCC)C=3Cl)=CC2=O)CC(F)(C)C)=N1>O1CCCC1.C(OCC)(=O)C>[OH:6][C@@H:5]([CH2:4][OH:3])[CH2:7][N:8]1[CH:12]=[CH:11][C:10]([NH:13][C:14](=[O:37])[CH:15]([N:21]2[CH2:25][C:24]([O:26][C:27]3[CH:32]=[CH:31][CH:30]=[C:29]([O:33][CH3:34])[C:28]=3[Cl:35])=[CH:23][C:22]2=[O:36])[CH2:16][C:17]([F:20])([CH3:19])[CH3:18])=[N:9]1
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 313Hydrochloric AcidHCID 668998212-[4-(2-chloro-3-methoxy-phenoxy)-2-oxo-2,5-dihydro-pyrrol-1-yl]-4-fluoro-4-methyl-pentanoic acid [1-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl-methyl)-1H-pyrazol-3-yl]-amideHCID 66900077HCID 66900077, compound

Product 1

HCID 579200982-[4-(2-Chloro-3-methoxyphenoxy)-2-oxo-2,5-dihydro-pyrrol-1-yl]-4-fluoro-4-methyl-pentanoic acid-[1-((R)-2,3-dihydroxy-propyl)-1H-pyrazol-3-yl]-amide

Reagents, catalysts & solvents 2

HCID 8028TetrahydrofuranSolventHCID 8857Ethyl AcetateSolvent

Conditions

Temperature
25 °C

Procedure

A solution of 2-[4-(2-chloro-3-methoxy-phenoxy)-2-oxo-2,5-dihydro-pyrrol-1-yl]-4-fluoro-4-methyl-pentanoic acid [1-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl-methyl)-1H-pyrazol-3-yl]-amide (390 mg, 0.71 mmol) in tetrahydrofuran (10 mL) was treated with 2N aqueous hydrochloric acid solution (10 mL). The reaction mixture was stirred at 25° C. for 4 h. The reaction mixture was diluted with ethyl acetate, washed with water, saturated sodium bicarbonate solution, a saturated sodium chloride solution and dried over magnesium sulfate. The organic layer was concentrated to afford, 2-[4-(2-chloro-3-ethoxy-phenoxy)-2-oxo-2,5-dihydro-pyrrol-1-yl]-4-fluoro-4-methyl-pentanoic acid [1-((R)-2,3-dihydroxy-propyl)-1H-pyrazol-3-yl]-amide (300 mg, 83%) as a white solid: LR-ES-MS m/z calculated for C23H28ClFN4O6 [M]+ 510, observed 511 [M+H]+; 1H NMR (300 MHz, DMSO-d6) δ ppm 1.27, 1.32 (2×d, J=3.0 Hz, 3H), 1.36, 1.39 (2×d, J=3.0 Hz, 3H), 1.99-2.34 (m, 2H), 3.19-3.33 (m, 2H), 3.69-3.89 (m, 2H), 3.90 (s, 3H), 4.09 (dd, J=13.6, 3.6 Hz, 1H), 4.26 (d, J=18.4 Hz, 1H), 4.37-4.58 (m, 1H), 4.71 (t, J=5.6 Hz, 1H), 4.77, 4.80 (2×s, 1H), 4.94 (d, J=5.1 Hz, 1H), 5.08 (dd, J=9.5, 4.4 Hz, 1H), 6.41 (d, J=2.1 Hz, 1H), 7.00, 7.06 (2×d, J=8.2 Hz, 1H), 7.13 (d, J=8.2 Hz, 1H), 7.41 (t, J=8.2 Hz, 1H), 7.54 (d, J=2.1 Hz, 1H), 10.68, 10.79 (2×s, 1H)

Workup

  1. washwashed with water, saturated sodium bicarbonate solution
  2. dry with materiala saturated sodium chloride solution and dried over magnesium sulfate
  3. concentrationThe organic layer was concentrated
  4. customto afford

Sources & evidence

ORD record
ord-c96153a04e204b36b985453367008f36
Source dataset
uspto-grants-2010_06
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07741327B2

Reaction notes

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