Acetic Acid → 5-Chloro-1H-pyrrolo[2,3-c]pyridine-2-carboxylic acid (1-(S)-hydroxymethyl-2-oxo-2-phenylethyl)amide

HRID 751733Notes

Reaction equation

HRID 751733 reaction equation
[Si]([O:8][CH2:9][C@H:10]([NH:19][C:20]([C:22]1[NH:31][C:25]2=[CH:26][N:27]=[C:28]([Cl:30])[CH:29]=[C:24]2[CH:23]=1)=[O:21])[C:11](=[O:18])[C:12]1[CH:17]=[CH:16][CH:15]=[CH:14][CH:13]=1)(C(C)(C)C)(C)C.C(O)(=O)C.[F-].C([N+](CCCC)(CCCC)CCCC)CCC.C(OCC)(=O)C>C1COCC1.O>[OH:8][CH2:9][C@H:10]([NH:19][C:20]([C:22]1[NH:31][C:25]2=[CH:26][N:27]=[C:28]([Cl:30])[CH:29]=[C:24]2[CH:23]=1)=[O:21])[C:11](=[O:18])[C:12]1[CH:13]=[CH:14][CH:15]=[CH:16][CH:17]=1

Participants

7

Reactant 4

HCID 176Acetic AcidHCID 8857Ethyl AcetateHCID 2724141Tetrabutylammonium FluorideHCID 597535505-Chloro-1H-pyrrolo[2,3-c]pyridine-2-carboxylic acid [1-(S)-(tert-butyldimethylsilanyloxymethyl)-2-oxo-2-phenylethyl]amide

Product 1

HCID 597536965-Chloro-1H-pyrrolo[2,3-c]pyridine-2-carboxylic acid (1-(S)-hydroxymethyl-2-oxo-2-phenylethyl)amide

Reagents, catalysts & solvents 2

HCID 962WaterSolventHCID 8028TetrahydrofuranSolvent

Procedure

To a solution of 5-chloro-1H-pyrrolo[2,3-c]pyridine-2-carboxylic acid [1-(S) -(tert-butyldimethylsilanyloxymethyl)-2-oxo-2-phenylethyl]amide (Preparation 101, 220 mg, 0.48 mmol) in THF (10 mL) was added acetic acid (60 μL) and tetrabutylammonium fluoride solution (1 ml, 1M in THF) at rt. After stirring for 3 h the reaction mixture was distributed between ethyl acetate (100 mL) and water (30 mL). The organic layer was separated, then washed with brine (50 ml), dried (MgSO4) and concentrated to a solid residue. Recrystallisation from THF gave the title compound.

Workup

  1. customThe organic layer was separated
  2. washwashed with brine (50 ml)
  3. dry with materialdried (MgSO4)
  4. concentrationconcentrated to a solid residue
  5. customRecrystallisation from THF

Sources & evidence

ORD record
ord-0eedd35946f049bc88156b8759a0742b
Source dataset
uspto-grants-2008_07
Patent number
US07405210B2

Reaction notes

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