Hydrochloric Acid → HCID 178418656, compound
Reaction equation
C([O:3][C:4](=[S:18])[CH:5]([CH2:11][C:12]1[CH:17]=[CH:16][CH:15]=[CH:14][CH:13]=1)[CH2:6][C:7]([CH3:10])([CH3:9])[CH3:8])C.O.[OH-].[K+].Cl>C1COCC1>[CH2:11]([CH:5]([CH2:6][C:7]([CH3:10])([CH3:9])[CH3:8])[C:4]([OH:3])=[S:18])[C:12]1[CH:17]=[CH:16][CH:15]=[CH:14][CH:13]=1Participants
6
Reactant 4
Product 1
Reagents, catalysts & solvents 1
Procedure
0.5 g of 2-benzyl-3-tert.-butylthio-propionic acid ethyl ester is dissolved in 5 ml of THF, and 3.2 ml of water and 0.9 ml of 2N potassium hydroxide solution are added thereto. The mixture is stirred overnight at room temperature, neutralised with 0.9 ml of 2N hydrochloric acid and concentrated by evaporation. The residue is purified by flash chromatography on 30 g of silica gel 60 (eluant H). Yellow oil, 1H-NMR (DMSO-d6): 1.23 ppm (s, 9H); 2.55-2.9 (m, 5H); 7.15-7.3 (m, 5H); 12.4 (s, 1H).
Workup
- concentrationconcentrated by evaporation
- customThe residue is purified by flash chromatography on 30 g of silica gel 60 (eluant H)
Sources & evidence
- ORD record
- ord-dd4c793644d34707bb23465d886d8200
- Source dataset
- uspto-grants-1989_12
- Patent number
- US04889869
Reaction notes
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