Ethanolamine → HCID 20270197, compound
Reaction equation
[CH2:1]([CH2:3][NH2:4])[OH:2].[C:5]([CH2:8][CH2:9][CH2:10][CH2:11][C:12]1[C:20]2[C:15](=[CH:16][CH:17]=[CH:18][CH:19]=2)[N:14]([C:21]2[CH:22]=[N:23][CH:24]=[CH:25][CH:26]=2)[CH:13]=1)(O)=O>>[O:2]1[CH2:1][CH2:3][N:4]=[C:5]1[CH2:8][CH2:9][CH2:10][CH2:11][C:12]1[C:20]2[C:15](=[CH:16][CH:17]=[CH:18][CH:19]=2)[N:14]([C:21]2[CH:22]=[N:23][CH:24]=[CH:25][CH:26]=2)[CH:13]=1Participants
3
Procedure
A solution of 6.1 g of ethanolamine and 2.94 g of 3-(4-carboxybutyl)-N-(3-pyridyl)indole are heated at 170° for 3 hours. Excess ethanolamine is removed by distillation under reduced pressure to yield 3-[4-(4,5-dihydrooxazol-2-yl)butyl]-N-(3-pyridyl)indole.
Workup
- customExcess ethanolamine is removed by distillation under reduced pressure
Sources & evidence
- ORD record
- ord-f7371a9afd8b48aa8ee3fa8ca994edbb
- Source dataset
- uspto-grants-1985_08
- Patent number
- US04536505
Reaction notes
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