Hydrochloric Acid → HCID 19386785, compound
Reaction equation
[CH2:1]([O:4][C:5]([N:7]1[CH2:11][CH:10]([S:12]C(OC(C)(C)C)=O)[CH2:9][CH:8]1[CH2:20][NH2:21])=[O:6])[CH:2]=[CH2:3].Cl>C(O)(=O)C.O.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[K+].[K+].[K+].[K+].[Fe+6]>[NH2:21][CH2:20][CH:8]1[CH2:9][CH:10]([S:12][S:12][CH:10]2[CH2:11][N:7]([C:5]([O:4][CH2:1][CH:2]=[CH2:3])=[O:6])[CH:8]([CH2:20][NH2:21])[CH2:9]2)[CH2:11][N:7]1[C:5]([O:4][CH2:1][CH:2]=[CH2:3])=[O:6]Participants
Procedure
A solution of 1-allyloxycarbonyl-2-aminomethyl-4-t-butoxycarbonylthiopyrrolidine (10 mmol) in acetic acid (25 ml), was saturated with hydrogen chloride and heated on a steam bath for 5 minutes. The solution was filtered and the filtrate evaporated. The residue was taken up in 2.5N aqueous solution of sodium hydroxide (25 ml) and ethanol (10 ml). A solution of potassium hexacyanoferrate (11 mmols) in water (20 ml) was added portion wise until a yellow colour persisted. The reaction was stirred at room temperature for 1 hour. The reaction mixture was partitioned between water and dichloromethane. The organic layer was washed with water, a saturated aqueous solution of sodium chloride and dried (MgSO4). The solvent was removed by evaporation to give diallyl 4,4'-dithiodi[2-(aminomethyl)pyrrolidin-1-carboxylate] as a brown oil. NMR (DMSO-d6): 1.88(m,1H); 2.34(m,2H); 2.87(m, partially obscured); 3.20(m,1H); 3.55(m,1H); 3.76(m, 1H); 3.90(m,1H); 4.5 (m,1H); 5.2(m,2H); 5.94(m,1H): M/S CI (M+H)+= 431.
Workup
- temperatureheated on a steam bath for 5 minutes
- filtrationThe solution was filtered
- customthe filtrate evaporated
- customThe reaction mixture was partitioned between water and dichloromethane
- washThe organic layer was washed with water
- dry with materiala saturated aqueous solution of sodium chloride and dried (MgSO4)
- customThe solvent was removed by evaporation
Sources & evidence
- ORD record
- ord-ff0cd9d4c2a443748100adb391b6a1e2
- Source dataset
- uspto-grants-1995_09
- Patent number
- US05447925
Reaction notes
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