Stannous chloride dihydrate → Carbamic acid,[2-amino-4-cyano-5-[methyl(1-methylethyl)amino]phenyl]-,1,1-dimethylethyl ester
Reaction equation
[C:1]([O:5][C:6](=[O:24])[NH:7][C:8]1[CH:13]=[C:12]([N:14]([CH:16]([CH3:18])[CH3:17])[CH3:15])[C:11]([C:19]#[N:20])=[CH:10][C:9]=1[N+:21]([O-])=O)([CH3:4])([CH3:3])[CH3:2].O.O.Cl[Sn]Cl>>[C:1]([O:5][C:6](=[O:24])[NH:7][C:8]1[CH:13]=[C:12]([N:14]([CH:16]([CH3:17])[CH3:18])[CH3:15])[C:11]([C:19]#[N:20])=[CH:10][C:9]=1[NH2:21])([CH3:3])([CH3:4])[CH3:2]Participants
3
Procedure
The title compound was prepared from [4-cyano-5-(isopropyl-methyl-amino)-2-nitro-phenyl]-carbamic acid tert-butyl ester (Example C28) (1.73 g, 5.17 mmol) by reduction with SnCl2.2H2O according to the general procedure J (method b). Obtained as an off-white solid (1.56 g, 99%).
Sources & evidence
- ORD record
- ord-b20651ca2692497f9a1e125fc1476b12
- Source dataset
- uspto-grants-2003_04
- Patent number
- US06544985B2
Reaction notes
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