HuagongsheHuagongshe Chemistry Print Report · For research reference only
Stannous Chloride → 5-Chloro-2-phenoxyaniline
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Stannous Chloride | HCID 24479 | — |
| Reactant | 4-Chloro-2-nitro-1-phenoxybenzene | HCID 891181 | — |
| Product | 5-Chloro-2-phenoxyaniline | HCID 66738 | 79% |
Reaction Steps
To a solution of DMF (50 mL) was added 1-bromo-2-nitro-4-chloro-benzene (5.0 g, 21.1 mmol), phenol (1.9 g, 21.1 mmol), and Na2CO3 (2.3 g, 21.1 mmol). The solution was heated to 85° C. and stirred overnight. The reaction was poured into water and extracted with EtOAc. Washed with water and dried over Na2SO4, filtered and concentrated under vacuum giving a yellow oil that was purified by silica gel column chromatography eluting with Hexanes:Ethyl Acetate (90:10) to give 4-chloro-2-nitro-1-phenoxy-benzene (3.8 g, 74%). 4-Chloro-2-nitro-1-phenoxy-benzene (13 g, 52.1 mmol) was reacted with SnCl2 (49.3 g, 260 mmol) following the procedure from Example 7f giving 5-chloro-2-phenoxy-phenylamine as a white solid 9.0 g, 79%).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08236950B2 |
| Source dataset | uspto-grants-2012_08 |
| ORD ID | ord-befd39fa4aa04122ae3cf9fd178056ba |
| Source note | uspto-grants-2012_08 |