Ammonium Chloride → HCID 66777420, compound

HRID 2091223Notes

Reaction equation

HRID 2091223 reaction equation
[CH:1]1([CH:7]([NH:20][C:21]2[CH:29]=[CH:28][C:24]([C:25](O)=[O:26])=[CH:23][CH:22]=2)[C:8]2[N:12]([CH3:13])[C:11]3[CH:14]=[C:15]([O:18][CH3:19])[CH:16]=[CH:17][C:10]=3[N:9]=2)[CH2:6][CH2:5][CH2:4][CH2:3][CH2:2]1.Cl.[CH2:31]([O:33][C:34](=[O:38])[CH2:35][CH2:36][NH2:37])[CH3:32].O.ON1C2C=CC=CC=2N=N1.Cl.C(N=C=NCCCN(C)C)C.[Cl-].[NH4+]>CN(C)C=O.C(N(CC)CC)C>[CH:1]1([CH:7]([NH:20][C:21]2[CH:22]=[CH:23][C:24]([C:25]([NH:37][CH2:36][CH2:35][C:34]([O:33][CH2:31][CH3:32])=[O:38])=[O:26])=[CH:28][CH:29]=2)[C:8]2[N:12]([CH3:13])[C:11]3[CH:14]=[C:15]([O:18][CH3:19])[CH:16]=[CH:17][C:10]=3[N:9]=2)[CH2:6][CH2:5][CH2:4][CH2:3][CH2:2]1

Participants

8

Reactant 5

HCID 25517Ammonium ChlorideHCID 458475beta-Alanine, ethyl ester, hydrochlorideHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 27960291-Hydroxybenzotriazole hydrateHCID 66777878HCID 66777878, compound

Product 1

HCID 66777420HCID 66777420, compoundYield 45%

Reagents, catalysts & solvents 2

HCID 6228DimethylformamideSolventHCID 8471TriethylamineSolvent

Procedure

To a mixture of 4-{[cyclohexyl(6-methoxy-1-methyl-1H-benzimidazol-2-yl)methyl]amino}benzoic acid (270 mg) synthesized above, β-alanine ethyl ester hydrochloride (158 mg), 1-hydroxybenzotriazole monohydrate (158 mg), triethylamine (287 μL) and N,N-dimethylformamide (10 mL) was added 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide hydrochloride (198 mg), and the mixture was stirred overnight at room temperature. Saturated aqueous ammonium chloride solution was added to quench the reaction, and the reaction mixture was extracted with ethyl acetate. The extract was washed with 1N hydrochloric acid, saturated aqueous sodium hydrogen carbonate solution and saturated brine, dried over magnesium sulfate, and concentrated under reduced pressure. The residue was purified by silica gel column chromatography (60-100% ethyl acetate/hexane) to give the title object compound (151 mg, 45%) as a pale-yellow oil.

Workup

  1. customto quench
  2. customthe reaction
  3. extractionthe reaction mixture was extracted with ethyl acetate
  4. washThe extract was washed with 1N hydrochloric acid, saturated aqueous sodium hydrogen carbonate solution and saturated brine
  5. dry with materialdried over magnesium sulfate
  6. concentrationconcentrated under reduced pressure
  7. customThe residue was purified by silica gel column chromatography (60-100% ethyl acetate/hexane)

Sources & evidence

ORD record
ord-7cbaa3abed1a43cfba9a938c088a3833
Source dataset
uspto-grants-2013_05
Patent number
US08436043B2

Reaction notes

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