Morpholine → HCID 21717544, compound
Reaction equation
[C:1]([O:5][C:6]([N:8]1[CH2:13][CH2:12][C:11](=O)[CH2:10][CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2].[NH:15]1[CH2:20][CH2:19][O:18][CH2:17][CH2:16]1>C1C=CC=CC=1>[C:1]([O:5][C:6]([N:8]1[CH2:13][CH2:12][C:11]([N:15]2[CH2:20][CH2:19][O:18][CH2:17][CH2:16]2)=[CH:10][CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2]Participants
4
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Procedure
A mixture of 2.00 g (10.0 mmol) of 1-t-butoxycarbonyl-4-piperidone, 35 ml of benzene and 1.05 g (12.1 mmol) of morpholine was refluxed and the formed water was removed by using a Dehn-Stark dehydrating tube. After completion of distillation of water, the reaction mixture was concentrated under reduced pressure to obtain 2.69 g (10.0 mmol) of 1-t-butoxycarbonyl-4-morpholino-1,2,5,6-tetrahydropyridine as yellowish solid.
Workup
- temperaturewas refluxed
- customthe formed water was removed
- distillationAfter completion of distillation of water
- concentrationthe reaction mixture was concentrated under reduced pressure
Sources & evidence
- ORD record
- ord-653bed5db7664a34bee7c1c3065f2bff
- Source dataset
- uspto-grants-2001_07
- Patent number
- US06265418B1
Reaction notes
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