Pyridinium chloride → HCID 66933697, compound
Reaction equation
[Cl:1][C:2]1[CH:3]=[C:4]([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])[CH:5]=[CH:6][CH:7]=1.Cl.N1C=CC=CC=1>>[Cl:1][C:2]1[CH:3]=[C:4]([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])[CH:5]=[CH:6][CH:7]=1Participants
3
Procedure
Compound of example 73 (0.25 g, 0.58 mmol) was subjected to demethylation using pyridine hydrochloride (2.5 g, 21.64 mmol) as described in example 17 to afford the title compounds.
Sources & evidence
- ORD record
- ord-7ffda5bb880649bca9a018ebb8c8fd93
- Source dataset
- uspto-grants-2011_02
- Patent number
- US07884127B2
Reaction notes
Loading…