Ethanol hydrochloride → 1-(Benzo[b]thiophen-5-yl)-2-[(piperazin-2-yl)methoxy]ethanol dihydrochloride
Reaction equation
[ClH:1].C(O)C.[S:5]1[CH:9]=[CH:8][C:7]2[CH:10]=[C:11]([CH:14]([OH:28])[CH2:15][O:16][CH2:17][CH:18]3[CH2:23][N:22](C=O)[CH2:21][CH2:20][N:19]3C=O)[CH:12]=[CH:13][C:6]1=2>CO>[ClH:1].[ClH:1].[S:5]1[CH:9]=[CH:8][C:7]2[CH:10]=[C:11]([CH:14]([OH:28])[CH2:15][O:16][CH2:17][CH:18]3[CH2:23][NH:22][CH2:21][CH2:20][NH:19]3)[CH:12]=[CH:13][C:6]1=2Participants
4
Procedure
In 1.5 ml of methanol was dissolved 270 mg of -(benzo[b]thiophen-5-yl)-2-[(1,4-diformylpiperazin-2-yl)methoxy]ethanol. To the solution was added 1.5. ml. of a 5N dry hydrogen chloride-ethanol solution. The resulting mixture was allowed to stand at room temperature overnight. The resulting crystals were collected by filtration, washed with ethanol, and dried to obtain 150 mg of 1-(benzo[b]thiophen-5-yl)-2-[(piperazin-2-yl)methoxy]ethanol dihydrochloride (compound No. 355).
Workup
- additionTo the solution was added 1.5
- filtrationThe resulting crystals were collected by filtration
- washwashed with ethanol
- customdried
Sources & evidence
- ORD record
- ord-8ed52643e5b446e7bd980fc348aed61e
- Source dataset
- uspto-grants-1998_02
- Patent number
- US05719150
Reaction notes
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