HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 730807Generated: October 29, 2026
Sodium Hydroxide → 4-bromo-2-nitro-5-(trifluoromethyl)aniline
https://huagongshe.com/reaction/730807
Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Sodium Hydroxide | HCID 14798 | — |
| Reactant | N-[4-Bromo-2-nitro-5-(trifluoromethyl)phenyl]acetamide | HCID 11709640 | — |
| Solvent | Methanol | HCID 887 | — |
| Product | 4-bromo-2-nitro-5-(trifluoromethyl)aniline | HCID 11694872 | — |
Reaction Steps
To a solution of the acetamide from step (b) above (4.5 g, 14 mmol) in MeOH (8 mL) was added aqueous 3N NaOH (50 mL) at room temperature. The reaction mixture was stirred at 90° C. for 2 h, cooled to room temperature and extracted with EtOAc (4×50 mL). The combined organic extracts were washed with 1% aqueous HCl and brine, dried over MgSO4, filtered and concentrated in vacuo. The residue was purified by silica gel column chromatography (15% EtOAc/hexane) to give the title compound as a yellow solid. MS (ESI, neg. ion) m/z: 282.9 (M−1).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US07582761B2 |
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| Source dataset | uspto-grants-2009_09 |
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| ORD ID | ord-4fe04da0476f4578a47828177a6b3108 |
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| Source note | uspto-grants-2009_09 |
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