Triethylamine → HCID 12985692, compound
Reaction equation
[CH2:1]([N:8]1[CH2:13][CH2:12][CH:11]([CH2:14][C:15]([N:17]2[CH2:22][CH2:21][CH:20]([OH:23])[CH2:19][CH2:18]2)=[O:16])[CH2:10][CH2:9]1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.C(N(CC)CC)C.[S:31](Cl)([CH3:34])(=[O:33])=[O:32]>C1(C)C=CC=CC=1>[CH2:1]([N:8]1[CH2:13][CH2:12][CH:11]([CH2:14][C:15]([N:17]2[CH2:22][CH2:21][CH:20]([O:23][S:31]([CH3:34])(=[O:33])=[O:32])[CH2:19][CH2:18]2)=[O:16])[CH2:10][CH2:9]1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1Participants
Reactant 3
Product 1
Reagents, catalysts & solvents 1
Conditions
- Temperature
- 66 °C
Procedure
To a mixture of 4.75 g (0.015 mol) of 1-(1-benzyl-4-piperidylacetyl)-4-hydroxypiperidine [1], 51 g of toluene, 1.68 g (0.017 mol) of triethylamine, 1.87 g (0.016 mol) of mesyl chloride was added dropwise at a temperature in the range of 0 to 10° C. and the reaction was allowed to proceed for 2 hours at the temperature in the range. Thereafter, the reaction mixture was washed with an aqueous solution of sodium hydrogencarbonate and an aqueous solution of sodium chloride. The resultant organic layer was dried with anhydrous magnesium sulfate and concentrated under a reduced pressure. To the concentrated residue, 7 g of 2-propanol and 43 g of diisopropyl ether were added and the temperature of the mixture was increased. The mixture was stirred for 0.3 hours at a reflux temperature of 66° C. Thereafter the mixture was cooled to room temperature and subjected to filtration. The resultant wet crystal was dried under a reduced pressure, whereby 5.01 g of the title compound in the state of white powder was obtained (the yield was 84.7%).
Workup
- additionwas added dropwise at a temperature in the range of 0 to 10° C.
- washThereafter, the reaction mixture was washed with an aqueous solution of sodium hydrogencarbonate
- dry with materialThe resultant organic layer was dried with anhydrous magnesium sulfate
- concentrationconcentrated under a reduced pressure
- additionTo the concentrated residue, 7 g of 2-propanol and 43 g of diisopropyl ether were added
- temperaturethe temperature of the mixture was increased
- temperatureThereafter the mixture was cooled to room temperature
- filtrationsubjected to filtration
- dry with materialThe resultant wet crystal was dried under a reduced pressure, whereby 5.01 g of the title compound in the state of white powder
- customwas obtained (the yield was 84.7%)
Sources & evidence
- ORD record
- ord-74165972a08c4f319d9c55a453758981
- Source dataset
- uspto-grants-2005_05
- Patent number
- US06900326B2
Reaction notes
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