Stannous chloride dihydrate → (3-Amino-4'-cyano-biphenyl-4-yl)-carbamic acid tert.-butyl ester
Reaction equation
[C:1]([O:5][C:6](=[O:25])[NH:7][C:8]1[CH:13]=[CH:12][C:11]([C:14]2[CH:19]=[CH:18][C:17]([C:20]#[N:21])=[CH:16][CH:15]=2)=[CH:10][C:9]=1[N+:22]([O-])=O)([CH3:4])([CH3:3])[CH3:2].O.O.Cl[Sn]Cl>>[C:1]([O:5][C:6](=[O:25])[NH:7][C:8]1[CH:13]=[CH:12][C:11]([C:14]2[CH:19]=[CH:18][C:17]([C:20]#[N:21])=[CH:16][CH:15]=2)=[CH:10][C:9]=1[NH2:22])([CH3:4])([CH3:2])[CH3:3]Participants
3
Procedure
Prepared from (4′-cyano-3-nitro-biphenyl-4-yl)-carbamic acid tert.-butyl ester (Example C13) by reduction with SnCl2.2H2O according to the general procedure G (method b). Obtained as a yellow solid (360 mg).
Sources & evidence
- ORD record
- ord-75f7a1b0302746758d76adc01ffb2d59
- Source dataset
- uspto-grants-2005_11
- Patent number
- US06960578B2
Reaction notes
Loading…