Hydrochloric Acid → (1S,3R,4R)-2-[(4-methoxyphenyl)sulfonyl]-2-azabicyclo[2.2.1]heptane-3-carboxylic acid

HRID 347805Notes

Reaction equation

HRID 347805 reaction equation
[CH3:1][O:2][C:3]1[CH:8]=[CH:7][C:6]([S:9]([N:12]2[C@@H:17]([C:18]([O:20]CC)=[O:19])[C@H:16]3[CH2:23][C@@H:13]2[CH2:14][CH2:15]3)(=[O:11])=[O:10])=[CH:5][CH:4]=1.CO.[OH-].[Na+].Cl>O1CCCC1>[CH3:1][O:2][C:3]1[CH:8]=[CH:7][C:6]([S:9]([N:12]2[C@@H:17]([C:18]([OH:20])=[O:19])[C@H:16]3[CH2:23][C@@H:13]2[CH2:14][CH2:15]3)(=[O:11])=[O:10])=[CH:5][CH:4]=1

Participants

6

Reactant 4

HCID 313Hydrochloric AcidHCID 887MethanolHCID 14798Sodium HydroxideHCID 86595840ethyl (1S,3R,4R)-2-[(4-methoxyphenyl)sulfonyl]-2-azabicyclo[2.2.1]heptane-3-carboxylate

Product 1

HCID 12146438(1S,3R,4R)-2-[(4-methoxyphenyl)sulfonyl]-2-azabicyclo[2.2.1]heptane-3-carboxylic acid

Reagents, catalysts & solvents 1

HCID 8028TetrahydrofuranSolvent

Procedure

To a solution of ethyl (1S, 3R, 4R)-2-[(4-methoxyphenyl)sulfonyl]-2-azabicyclo[2.2.1]heptane-3-carboxylate (965 mg, 2.84 mmol) in tetrahydrofuran (40 ml)-methanol (10 ml) was added 1N sodium hydroxide (16 ml), and the mixture was stirred at room temperature for 3 hours. The reaction mixture was acidified with 1N hydrochloric acid and extracted with ethyl acetate. The organic layer was washed with saturated brine and dried over magnesium sulfate. The solvent was evaporated, to give (1S, 3R, 4R)-2-[(4-methoxyphenyl)sulfonyl]-2-azabicyclo[2.2.1]heptane-3-carboxylic acid.

Workup

  1. extractionextracted with ethyl acetate
  2. washThe organic layer was washed with saturated brine
  3. dry with materialdried over magnesium sulfate
  4. customThe solvent was evaporated

Sources & evidence

ORD record
ord-bb5d761de1c442faa3c4925f12420ee7
Source dataset
uspto-grants-2007_02
Patent number
US07176217B2

Reaction notes

Loading…