Dichloromethane → 2-amino-3-{4-[4-(2-carbamoyl-ethyl)-phenoxy]-phenyl}-N,N-dimethyl-propionamide hydrochloride
Reaction equation
C(OC(=O)[NH:7][CH:8]([C:28](=[O:32])[N:29]([CH3:31])[CH3:30])[CH2:9][C:10]1[CH:15]=[CH:14][C:13]([O:16][C:17]2[CH:22]=[CH:21][C:20]([CH2:23][CH2:24][C:25](=[O:27])[NH2:26])=[CH:19][CH:18]=2)=[CH:12][CH:11]=1)(C)(C)C.C(Cl)[Cl:35]>>[ClH:35].[NH2:7][CH:8]([CH2:9][C:10]1[CH:15]=[CH:14][C:13]([O:16][C:17]2[CH:18]=[CH:19][C:20]([CH2:23][CH2:24][C:25](=[O:27])[NH2:26])=[CH:21][CH:22]=2)=[CH:12][CH:11]=1)[C:28]([N:29]([CH3:31])[CH3:30])=[O:32]Participants
Conditions
- Temperature
- 2.5 °C
Procedure
The amide compound 11 (1.5 g) was dissolved in CH2Cl2 (30 mL) and cooled to 0-5° C. Hydrogen chloride gas was bubbled through this solution for 20 min. The bubbling was discontinued and the reaction mixture was stirred at room temperature for 1 h. The excess HCl was degassed and the CH2Cl2 was removed. The residual solid was triturated with EtOAc (2×50 mL), decanted, and dried to yield the desired compound 12 as a white amorphous solid that was extremely hygroscopic (1.0 g, 77%). 1H NMR (DMSO-d6): 7.29 (br, 1H), 7.20 (overlapped d, J=8.8 Hz, 2H), 7.19 (overlapped d, J=8.8 Hz, 2H), 6.88 (overlapped d, J=8.4 Hz, 2H), 6.87 (overlapped d, J=8.4 Hz, 2H), 6.87 (overlapped d, J=8.8 Hz, 2H), 6.76 (br, 1H), 4.63 (m, 1H), 2.83 (s, 3H), 2.54-2.78 (m, 7H), 2.34 (t, J=8.4 Hz, 2H).
Workup
- customHydrogen chloride gas was bubbled through this solution for 20 min
- customThe excess HCl was degassed
- customthe CH2Cl2 was removed
- customThe residual solid was triturated with EtOAc (2×50 mL)
- customdecanted
- customdried
Sources & evidence
- ORD record
- ord-0c5169e974e244b4b59fea8fc694b805
- Source dataset
- uspto-grants-2008_07
- Patent number
- US07399786B2
Reaction notes
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