Reaction equation
[CH:1]([C:3]1[N:4]=[C:5]([CH:8]2[CH2:13][CH2:12][N:11](C(OC(C)(C)C)=O)[CH2:10][CH2:9]2)[S:6][CH:7]=1)=[O:2].[ClH:21]>O1CCOCC1>[Cl-:21].[CH:1]([C:3]1[N:4]=[C:5]([CH:8]2[CH2:13][CH2:12][NH2+:11][CH2:10][CH2:9]2)[S:6][CH:7]=1)=[O:2]Participants
4
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Conditions
- Temperature
- 0 °C
Procedure
To tert-butyl 4-(4-formyl-1,3-thiazol-2-yl)piperidine-1-carboxylate (10 g) was added dropwise, at 0° C. a 4 molar solution of hydrogen chloride in 1,4-dioxane (100 ml). The reaction mixture was stirred at 0° C. and then gradually warmed to room temperature. After stirring overnight, the solvent and excess hydrogen chloride were removed. This gave 4-(4-formyl-1,3-thiazol-2-yl)piperidinium chloride (9 g).
Workup
- temperaturegradually warmed to room temperature
- stirringAfter stirring overnight
- customthe solvent and excess hydrogen chloride were removed
Sources & evidence
- ORD record
- ord-7edf2078af034c5e8e68ff894daec008
- Source dataset
- uspto-grants-2013_09
- Patent number
- US08524743B2
Linked notes
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