Stannous chloride dihydrate → Carbamic acid,[2-amino-4-chloro-5-(ethylmethylamino)phenyl]-,1,1-dimethylethyl ester
Reaction equation
[C:1]([O:5][C:6](=[O:22])[NH:7][C:8]1[CH:13]=[C:12]([N:14]([CH2:16][CH3:17])[CH3:15])[C:11]([Cl:18])=[CH:10][C:9]=1[N+:19]([O-])=O)([CH3:4])([CH3:3])[CH3:2].O.O.Cl[Sn]Cl>>[C:1]([O:5][C:6](=[O:22])[NH:7][C:8]1[CH:13]=[C:12]([N:14]([CH2:16][CH3:17])[CH3:15])[C:11]([Cl:18])=[CH:10][C:9]=1[NH2:19])([CH3:2])([CH3:3])[CH3:4]Participants
3
Procedure
The title compound was prepared from [4-chloro-5-(ethyl-methyl-amino)-2-nitro-phenyl]-carbamic acid tert-butyl ester (Example C5) (3.0 g, 9.09 mmol) by reduction with SnCl2.2H2O according to the general procedure J (method b). Obtained as a pale brown solid (2.64 g).
Sources & evidence
- ORD record
- ord-52739c48d22b4986b497b4fffe5cca68
- Source dataset
- uspto-grants-2003_04
- Patent number
- US06544985B2
Reaction notes
Loading…