Water → HCID 68763610, compound

HRID 1628408Notes

Reaction equation

HRID 1628408 reaction equation
[Cl:1][C:2]1[C:10]2[N:9]=[C:8]([NH:11][C:12]3[CH:17]=[CH:16][C:15]([Cl:18])=[CH:14][CH:13]=3)[N:7]([CH2:19][CH2:20][CH2:21][C:22](OCC)=[O:23])[C:6]=2[C:5]([CH:27]([CH2:30][CH3:31])[CH2:28][CH3:29])=[CH:4][CH:3]=1.[BH4-].[Li+].O>O1CCCC1>[Cl:1][C:2]1[C:10]2[N:9]=[C:8]([NH:11][C:12]3[CH:17]=[CH:16][C:15]([Cl:18])=[CH:14][CH:13]=3)[N:7]([CH2:19][CH2:20][CH2:21][CH2:22][OH:23])[C:6]=2[C:5]([CH:27]([CH2:30][CH3:31])[CH2:28][CH3:29])=[CH:4][CH:3]=1

Participants

5

Reactant 3

HCID 962WaterHCID 4148881Lithium borohydrideHCID 68762625Ethyl 4-[4-chloro-2-[(4-chlorophenyl)amino]-7-(1-ethylpropyl)-1H-benzimidazol-1-yl]butanoate

Product 1

HCID 68763610HCID 68763610, compoundYield 69.8%

Reagents, catalysts & solvents 1

HCID 8028TetrahydrofuranSolvent

Procedure

To a solution of ethyl 4-[4-chloro-2-[(4-chlorophenyl)amino]-7-(1-ethylpropyl)-1H-benzimidazol-1-yl]butanoate (400 mg, 0.86 mmol) in tetrahydrofuran (5 mL) was added lithium borohydride (57 mg, 2.59 mmol) portionwise at 0° C. The mixture was warmed to room temperature and stirred for 12 hr. Water was added and the mixture was extracted with ethyl acetate. Organic layer was washed with brine, dried over anhydrous sodium sulfate and concentrated in vacuo to give a solid, which was recrystallized from ethyl acetate to give the title compound (250 mg, 0.60 mmol, 69%) as a colorless solid.

Workup

  1. extractionthe mixture was extracted with ethyl acetate
  2. washOrganic layer was washed with brine
  3. dry with materialdried over anhydrous sodium sulfate
  4. concentrationconcentrated in vacuo
  5. customto give a solid, which
  6. customwas recrystallized from ethyl acetate

Sources & evidence

ORD record
ord-89632781c8b546fcaf67c36ee9e8971c
Source dataset
uspto-grants-2014_07
Patent number
US08785460B2

Reaction notes

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