Sodium Hydroxide → HCID 57966727, compound
Reaction equation
[Cl:1][C:2]1[CH:19]=[CH:18][C:5]2[N:6]=[C:7]([N:9]3[CH2:14][CH2:13][CH:12]([CH2:15][CH2:16]O)[CH2:11][CH2:10]3)[S:8][C:4]=2[CH:3]=1.[OH-].[Na+].S(Cl)([Cl:24])=O>>[Cl:1][C:2]1[CH:19]=[CH:18][C:5]2[N:6]=[C:7]([N:9]3[CH2:14][CH2:13][CH:12]([CH2:15][CH2:16][Cl:24])[CH2:11][CH2:10]3)[S:8][C:4]=2[CH:3]=1Participants
4
Conditions
- Temperature
- 60 °C
Procedure
To 6-chloro-2-[4-(2-hydroxyethyl)piperidine-1-yl]benzothiazole (1.20 g; 4.03 mmol) was added thionyl chloride (10 ml). The mixture was stirred at 60° C. for 1 hour. The reaction solution was poured into ice water. 5N aqueous sodium hydroxide was added thereto to neutralize and the precipitate was collected. The precipitate was washed with diisopropyl ether to give 6-chloro-2-[4-(2-chloroethyl)piperidine-1-yl]benzothiazole as colorless crystal (0.98 g; 77%).
Workup
- customthe precipitate was collected
- washThe precipitate was washed with diisopropyl ether
Sources & evidence
- ORD record
- ord-69a8c033b86e4484bfd91560a4ddae27
- Source dataset
- uspto-grants-2012_01
- Patent number
- US08097610B2
Reaction notes
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