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Hydrochloric Acid → 3-({5-[3-Methyl-1-(4'-trifluoromethyl-biphenyl-4-yl)-butylamino]-pyrimidine-2-carbonyl}-amino)-propionic acid

HRID 1427497
Notes
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Reaction equation

HRID 1427497 reaction equation
C([O:3][C:4](=[O:38])[CH2:5][CH2:6][NH:7][C:8]([C:10]1[N:15]=[CH:14][C:13]([NH:16][CH:17]([C:22]2[CH:27]=[CH:26][C:25]([C:28]3[CH:33]=[CH:32][C:31]([C:34]([F:37])([F:36])[F:35])=[CH:30][CH:29]=3)=[CH:24][CH:23]=2)[CH2:18][CH:19]([CH3:21])[CH3:20])=[CH:12][N:11]=1)=[O:9])C.[OH-].[Na+].Cl>O1CCCC1.CO>[CH3:20][CH:19]([CH3:21])[CH2:18][CH:17]([NH:16][C:13]1[CH:12]=[N:11][C:10]([C:8]([NH:7][CH2:6][CH2:5][C:4]([OH:38])=[O:3])=[O:9])=[N:15][CH:14]=1)[C:22]1[CH:27]=[CH:26][C:25]([C:28]2[CH:29]=[CH:30][C:31]([C:34]([F:36])([F:35])[F:37])=[CH:32][CH:33]=2)=[CH:24][CH:23]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 313Hydrochloric AcidHCID 14798Sodium HydroxideHCID 679806583-({5-[3-Methyl-1-(4'-trifluoromethyl-biphenyl-4-yl)-butylamino]-pyrimidine-2-carbonyl}-amino)-propionic acid ethyl ester

Product 1

HCID 573888553-({5-[3-Methyl-1-(4'-trifluoromethyl-biphenyl-4-yl)-butylamino]-pyrimidine-2-carbonyl}-amino)-propionic acidYield 0.1%

Reagents, catalysts & solvents 2

HCID 887
Methanol
Solvent
HCID 8028TetrahydrofuranSolvent

Procedure

(+/−)-3-({5-[3-Methyl-1-(4′-trifluoromethyl-biphenyl-4-yl)-butylamino]-pyrimidine-2-carbonyl}-amino)-propionic acid ethyl ester (14.6 mg, 28.0 mmol) was dissolved in tetrahydrofuran (3 mL) and methanol (1 mL), and 1.0 M NaOH (1 mL, 1 mmol) was added. This was stirred at room temperature for 10 min. The reaction brought to pH 3 with 1 N HCl. The methanol was concentrated in vacuo and the residue was extracted twice with ethyl acetate. The combined organics were dried over MgSO4 and concentrated in vacuo to give crude product. Purification by reversed-phase HPLC gave (+/−)-3-({5-[3-methyl-1-(4′-trifluoromethyl-biphenyl-4-yl)-butylamino]-pyrimidine-2-carbonyl}-amino)-propionic acid (13.8 mg). Analytical LCMS: retention time 3.40 minutes (Waters Atlantic dC18 4.6×50 mm, 5 μm column; 5% acetonitrile/water (0.05% trifluoroacetic acid modifier) linear gradient to 95% acetonitrile/water over 4.0 minutes, hold at 95% acetonitrile/water for 1.0 minute; flow rate 2.0 mL/minute); MS (M+1): 501.3.

Workup

  1. concentrationThe methanol was concentrated in vacuo
  2. extractionthe residue was extracted twice with ethyl acetate
  3. dry with materialThe combined organics were dried over MgSO4
  4. concentrationconcentrated in vacuo
  5. customto give crude product
  6. customPurification by reversed-phase HPLC

Sources & evidence

ORD record
ord-7b1d8287d6314921a1640e606900926d
Source dataset
uspto-grants-2015_01
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08933104B2

Reaction notes

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