6-[1-Oxo-3-(4-phenyl-1-piperidyl)propyl]-3,4-dihydrocarbostyril → HCID 13120854, compound
Reaction equation
[O:1]=[C:2]([C:17]1[CH:18]=[C:19]2[C:24](=[CH:25][CH:26]=1)[NH:23][C:22](=[O:27])[CH2:21][CH2:20]2)[CH2:3][CH2:4][N:5]1[CH2:10][CH2:9][CH:8]([C:11]2[CH:16]=[CH:15][CH:14]=[CH:13][CH:12]=2)[CH2:7][CH2:6]1.[H][H]>C(O)C.[C].[Pd]>[OH:1][CH:2]([C:17]1[CH:18]=[C:19]2[C:24](=[CH:25][CH:26]=1)[NH:23][C:22](=[O:27])[CH2:21][CH2:20]2)[CH2:3][CH2:4][N:5]1[CH2:10][CH2:9][CH:8]([C:11]2[CH:16]=[CH:15][CH:14]=[CH:13][CH:12]=2)[CH2:7][CH2:6]1Participants
5
Procedure
2.2 Grams of 6-[1-oxo-3-(4-phenyl-1-piperidyl)propyl]-3,4-dihydrocarbostyril and 0.5 g of 5%-palladium carbon were dispersed in 80 ml of ethanol and stirred under 2 atmospheric pressure of hydrogen gas at a room temperature for 5 hours. The reaction mixture was filtered to remove the palladium black and the mother liquor was concentrated under a reduced pressure. The residue thus obtained was recrystallized from ethanol to obtain 1.5 g of 6-[1-hydroxy-3-(4-phenyl-1-piperidyl)propyl]-3,4-dihydrocarbostyril in colorless plate-like crystals. Melting point: 155.5°-156° C.
Workup
- filtrationThe reaction mixture was filtered
- customto remove the palladium black
- concentrationthe mother liquor was concentrated under a reduced pressure
- customThe residue thus obtained
- customwas recrystallized from ethanol
Sources & evidence
- ORD record
- ord-77f6459903474d30b1cbbf336ba1ee16
- Source dataset
- uspto-grants-1986_01
- Patent number
- US04567187
Reaction notes
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