Hydrochloric Acid → HCID 70607311, compound
Reaction equation
[C:1]1([CH:7]([C:26]2[CH:31]=[CH:30][CH:29]=[CH:28][CH:27]=2)[CH:8]2[CH2:13][CH2:12][N:11]([CH2:14][CH2:15][CH2:16][CH:17]([C:19]3[CH:24]=[CH:23][C:22]([F:25])=[CH:21][CH:20]=3)[OH:18])[CH2:10][CH2:9]2)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.[ClH:32].CC(=O)CC>C(O)(C)C>[OH2:18].[ClH:32].[C:26]1([CH:7]([C:1]2[CH:2]=[CH:3][CH:4]=[CH:5][CH:6]=2)[CH:8]2[CH2:9][CH2:10][N:11]([CH2:14][CH2:15][CH:16]=[CH:17][C:19]3[CH:20]=[CH:21][C:22]([F:25])=[CH:23][CH:24]=3)[CH2:12][CH2:13]2)[CH:31]=[CH:30][CH:29]=[CH:28][CH:27]=1.[C:1]1([CH:7]([CH:8]2[CH2:9][CH2:10][N:11]([CH2:14][CH2:15][CH:16]=[CH:17][C:19]3[CH:20]=[CH:21][C:22]([F:25])=[CH:23][CH:24]=3)[CH2:12][CH2:13]2)[C:26]2[CH:31]=[CH:30][CH:29]=[CH:28][CH:27]=2)[CH:2]=[CH:3][CH:4]=[CH:5][CH:6]=1.[ClH:32]Participants
5
Reactant 3
Product 1
Reagents, catalysts & solvents 1
Procedure
A mixture of 24 g (0.057 mole) of 4-(diphenylmethyl)-α-(p-fluorophenyl)-1-piperidinebutanol, 500 ml of 37% HCl, 100 ml of butanone and 200 ml of isopropyl alcohol was heated to reflux under an atmosphere of nitrogen for 18 hours. The solvent and excess acid were removed under vacuum and the residue was dissolved in toluene. Ether was added to the toluene solution, and an oily precipitate formed. The toluene and ether were decanted, and the precipitate was recrystallized from ethyl acetate to give the desired product, M.P. 143°-148° C.
Workup
- temperaturewas heated
- temperatureto reflux under an atmosphere of nitrogen for 18 hours
- customThe solvent and excess acid were removed under vacuum
- dissolutionthe residue was dissolved in toluene
- additionEther was added to the toluene solution
- customan oily precipitate formed
- customThe toluene and ether were decanted
- customthe precipitate was recrystallized from ethyl acetate
Sources & evidence
- ORD record
- ord-a0f47b74a90e4411aa0af16a4036d3aa
- Source dataset
- uspto-grants-1979_12
- Patent number
- US04180583
Reaction notes
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