Stannous chloride dihydrate → tert-Butyl (2-amino-4-chloro-5-methylphenyl)carbamate
Reaction equation
[C:1]([O:5][C:6](=[O:19])[NH:7][C:8]1[CH:13]=[C:12]([CH3:14])[C:11]([Cl:15])=[CH:10][C:9]=1[N+:16]([O-])=O)([CH3:4])([CH3:3])[CH3:2].O.O.Cl[Sn]Cl>>[C:1]([O:5][C:6](=[O:19])[NH:7][C:8]1[CH:13]=[C:12]([CH3:14])[C:11]([Cl:15])=[CH:10][C:9]=1[NH2:16])([CH3:4])([CH3:2])[CH3:3]Participants
3
Procedure
The title compound was prepared from (4-chloro-5-methyl-2-nitro-phenyl)-carbamic acid tert-butyl ester (Example A17) (4.45 g, 15.5 mmol) by reduction with SnCl2.2H2O according to the general procedure J (method b). Obtained as a yellow solid (3.90 g, 98%).
Sources & evidence
- ORD record
- ord-ec715028ebe84840b9805c489dc25e6b
- Source dataset
- uspto-grants-2005_09
- Patent number
- US06949542B2
Reaction notes
Loading…