HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrazine hydrate (1:1) → (2-Fluoro-4-nitrophenyl)methanamine
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrazine hydrate (1:1) | HCID 24654 | — |
| Reactant | p-Toluenesulfonic acid monohydrate | HCID 521998 | — |
| Reactant | 2-(2-Fluoro-4-nitrobenzyl)isoindoline-1,3-dione | HCID 70847669 | — |
| Solvent | Tetrahydrofuran | HCID 8028 | — |
| Solvent | Ethyl Acetate | HCID 8857 | — |
| Product | (2-Fluoro-4-nitrophenyl)methanamine | HCID 45121148 | 68.5% |
Reaction Steps
To a stirred solution of 2-(2-fluoro-4-nitrobenzyl)isoindoline-1,3-dione (500 mg, 1.665 mmol) in tetrahydrofuran were added hydrazine monohydrate (333 mg, 6.661 mmol) and p-toluenesulfonic acid monohydrate (29 mg, 0.167 mmol). The reaction mixture was refluxed for 6 h, then cooled to room temperature, diluted with ethyl acetate. The mixture was washed with water and brine. The organic layer was dried over magnesium sulfate and filtered. The filtrate was removed in vacuo. The crude was purified by column chromatography to give (2-fluoro-4-nitrophenyl)methanamine (194 mg, 68%).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08937092B2 |
| Source dataset | uspto-grants-2015_01 |
| ORD ID | ord-bebf7feec8c84bc3b6d3989b0603f1b6 |
| Source note | uspto-grants-2015_01 |