Sodium Hydroxide → HCID 66597507, compound

HRID 1627876Notes

Reaction equation

HRID 1627876 reaction equation
[CH3:1][C:2]1[N:7]=[C:6]2[S:8][C:9]3[CH2:14][CH2:13][CH2:12][CH2:11][C:10]=3[C:5]2=[C:4]([C:15]2[CH:20]=[CH:19][C:18]([CH2:21][CH3:22])=[CH:17][CH:16]=2)[C:3]=1[CH:23]([CH2:28][CH2:29][CH3:30])[C:24]([O:26]C)=[O:25].[OH-].[Na+]>CO>[CH3:1][C:2]1[N:7]=[C:6]2[S:8][C:9]3[CH2:14][CH2:13][CH2:12][CH2:11][C:10]=3[C:5]2=[C:4]([C:15]2[CH:16]=[CH:17][C:18]([CH2:21][CH3:22])=[CH:19][CH:20]=2)[C:3]=1[CH:23]([CH2:28][CH2:29][CH3:30])[C:24]([OH:26])=[O:25]

Participants

4

Reactant 2

HCID 14798Sodium HydroxideHCID 66597348HCID 66597348, compound

Product 1

HCID 66597507HCID 66597507, compoundYield 48.2%

Reagents, catalysts & solvents 1

HCID 887MethanolSolvent

Conditions

Temperature
60 °C

Procedure

To a solution of methyl [2-methyl-4-(4-ethylphenyl)-5,6,7,8-tetrahydro[1]benzothieno[2,3-b]pyridin-3-yl]pentanoate (0.197 g; 0.468 mmol) in methanol (4.6 mL) was added a solution of sodium hydroxide 5 N (0.95 mL) and the mixture was heated at 60° C. for 18 h. After cooling, the reaction mixture was concentrated under reduced pressure. The residue was dissolved in ethyl acetate and the mixture was acidified with HCl (1N) until pH 1. The organic layer was washed with brine, water, dried over magnesium sulphate and concentrated under reduced pressure to furnish 0.092 g (48%) of the title compound as a white solid.

Workup

  1. temperatureAfter cooling
  2. concentrationthe reaction mixture was concentrated under reduced pressure
  3. dissolutionThe residue was dissolved in ethyl acetate
  4. washThe organic layer was washed with brine, water
  5. dry with materialdried over magnesium sulphate
  6. concentrationconcentrated under reduced pressure

Sources & evidence

ORD record
ord-696cb97313524e7e93da60ebfaf43c3b
Source dataset
uspto-grants-2014_07
Patent number
US08785638B2

Reaction notes

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