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Hydrochloric Acid → (S)-2-sec-Butylamino-6-(cyclopropanesulfonyl-methylamino)-isonicotinic acid

HRID 732388
Notes
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Reaction equation

HRID 732388 reaction equation
C[O:2][C:3](=[O:23])[C:4]1[CH:9]=[C:8]([N:10]([S:12]([CH:15]2[CH2:17][CH2:16]2)(=[O:14])=[O:13])[CH3:11])[N:7]=[C:6]([NH:18][C@H:19]([CH2:21][CH3:22])[CH3:20])[CH:5]=1.[OH-].[Na+].Cl>CO>[C@@H:19]([NH:18][C:6]1[CH:5]=[C:4]([CH:9]=[C:8]([N:10]([S:12]([CH:15]2[CH2:16][CH2:17]2)(=[O:13])=[O:14])[CH3:11])[N:7]=1)[C:3]([OH:23])=[O:2])([CH2:21][CH3:22])[CH3:20]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 313Hydrochloric AcidHCID 14798Sodium HydroxideHCID 68815532(S)-2-sec-Butylamino-6-(cyclopropanesulfonyl-methylamino)-isonicotinic acid methyl ester

Product 1

HCID 68816222(S)-2-sec-Butylamino-6-(cyclopropanesulfonyl-methylamino)-isonicotinic acid

Reagents, catalysts & solvents 1

HCID 887MethanolSolvent

Procedure

Dissolve (S)-2-sec-butylamino-6-(cyclopropanesulfonyl-methylamino)-isonicotinic acid methyl ester (600 mg, 1.97 mmol) in methanol (18 mL). Slowly add 2 N NaOH (3 mL) and stir overnight at room temperature. Acidify the mixture to about pH=6 with 5 N HCl and concentrate. Dilute with ethyl acetate (30 mL) and wash the organic layer with saturated aqueous sodium chloride solution, dry (magnesium sulfate) and concentrate to give the title compound.

Workup

  1. concentrationconcentrate
  2. additionDilute with ethyl acetate (30 mL)
  3. washwash the organic layer with saturated aqueous sodium chloride solution
  4. dry with materialdry (magnesium sulfate)
  5. concentrationconcentrate

Sources & evidence

ORD record
ord-dd3065e758874db4949be28ae8a5897c
Source dataset
uspto-grants-2009_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07585885B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes