Pyridinium chloride → HCID 66933987, compound
Reaction equation
[NH2:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[O:9][C:10]3[C:15]([C:16](=[O:18])[CH:17]=2)=[C:14]([O:19]C)[CH:13]=[C:12]([O:21]C)[C:11]=3[C@@H:23]2[CH2:27][CH2:26][N:25]([CH3:28])[C@H:24]2[CH2:29][OH:30])=[C:4]([Br:31])[CH:3]=1.Cl.N1C=CC=CC=1>>[NH2:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[O:9][C:10]3[C:15]([C:16](=[O:18])[CH:17]=2)=[C:14]([OH:19])[CH:13]=[C:12]([OH:21])[C:11]=3[C@@H:23]2[CH2:27][CH2:26][N:25]([CH3:28])[C@H:24]2[CH2:29][OH:30])=[C:4]([Br:31])[CH:3]=1Participants
3
Procedure
Compound of example 146 (0.150 g, 0.3 mmol) was demethylated using pyridine hydrochloride (1.5 g, 13 mmol) as described in example 17 to obtain the title compound.
Sources & evidence
- ORD record
- ord-aa561f36168f49f7bc2c02416b1cd659
- Source dataset
- uspto-grants-2011_02
- Patent number
- US07884127B2
Reaction notes
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