Piperidine → HCID 57228429, compound
Reaction equation
[CH:1]([O:4][C:5]([C:7]1[CH2:8][CH2:9][N:10]2[C:14](=[CH:15][C:16](SC3C=CC=CC=3)=[O:17])[CH2:13][S:12][C:11]=12)=[O:6])([CH3:3])[CH3:2].[NH:25]1[CH2:30][CH2:29][CH2:28][CH2:27][CH2:26]1>O1CCCC1.FC(F)(F)C([O-])=O.[Ag+]>[CH:1]([O:4][C:5]([C:7]1[CH2:8][CH2:9][N:10]2[C:14](=[CH:15][C:16]([N:25]3[CH2:30][CH2:29][CH2:28][CH2:27][CH2:26]3)=[O:17])[CH2:13][S:12][C:11]=12)=[O:6])([CH3:2])[CH3:3]Participants
5
Reactant 2
Product 1
Reagents, catalysts & solvents 2
Procedure
1.0 g of S-phenyl (7-isopropoxycarbonyl-2,3,5,6-tetrahydropyrrolo[2,1-b]thiazol-3-ylidene)thioacetate and 1.2 g of piperidine were suspended in 40 ml of tetrahydrofuran and 740 mg of silver trifluoroacetate was added thereto under stirring at room temperature. After 2 hours, the insoluble matters were filtered off and the filtrate was concentrated. The residue was purified by silica gel column chromatography and recrystallized from ethanol. Thus 0.65 g of the title compound was obtained.
Workup
- filtrationthe insoluble matters were filtered off
- concentrationthe filtrate was concentrated
- customThe residue was purified by silica gel column chromatography
- customrecrystallized from ethanol
Sources & evidence
- ORD record
- ord-9e980cd15bf54a28bf5e4e7f075d4c3b
- Source dataset
- uspto-grants-1992_03
- Patent number
- US05098919
Reaction notes
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