Hydrogen Bromide → HCID 15035104, compound
Reaction equation
[N:1]1([CH2:6][CH2:7][CH2:8][N:9]([CH2:22][CH2:23][O:24]C)[C:10]2[C:18]3[CH:19]=[CH:20][CH:21]=[C:16]4[C:17]=3[C:12](=[CH:13][CH:14]=[CH:15]4)[N:11]=2)[CH:5]=[CH:4][N:3]=[CH:2]1.Br>>[N:1]1([CH2:6][CH2:7][CH2:8][N:9]([CH2:22][CH2:23][OH:24])[C:10]2[C:18]3[CH:19]=[CH:20][CH:21]=[C:16]4[C:17]=3[C:12](=[CH:13][CH:14]=[CH:15]4)[N:11]=2)[CH:5]=[CH:4][N:3]=[CH:2]1Participants
3
Procedure
Treatment of the compound of Example 127 with refluxing 48% HBr solution results in the demethylation of the compound. Removal of the HBr solution in vacuo and neutralization with alkali hydroxide solution yields the title compound.
Workup
- customresults in the demethylation of the compound
- customRemoval of the HBr solution in vacuo and neutralization with alkali hydroxide solution
Sources & evidence
- ORD record
- ord-389adb85157d452b82779632f234b02f
- Source dataset
- uspto-grants-1992_01
- Patent number
- US05081131
Reaction notes
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