Ethyl Bromide → 3-Ethyl-quinolino[5,6-d]imidazolinone
Reaction equation
[NH:1]1[C:5]2[C:6]3[CH:7]=[CH:8][CH:9]=[N:10][C:11]=3[CH:12]=[CH:13][C:4]=2[NH:3][C:2]1=[O:14].[H-].[Na+].Br[CH2:18][CH3:19]>>[CH2:18]([N:3]1[C:4]2[CH:13]=[CH:12][C:11]3[N:10]=[CH:9][CH:8]=[CH:7][C:6]=3[C:5]=2[NH:1][C:2]1=[O:14])[CH3:19]Participants
4
Procedure
3-Ethyl-quinolino[5,6-d]imidazolinone (1f) was prepared analogously by treatment of quinolino[5,6-d]imidazolinone with sodium hydride (1.1 eq.) and bromoethane (1.1 eq.), successively. Yield after column-chromatographic workup: 12%. Mp. 258-259° C.
Workup
- customYield after column-chromatographic workup
Sources & evidence
- ORD record
- ord-6b5b743551c4426bbc110038e89212ae
- Source dataset
- uspto-grants-2003_09
- Patent number
- US06624186B2
Reaction notes
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