HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrazine hydrate (1:1) → 4-Nitrobenzylamine
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrazine hydrate (1:1) | HCID 24654 | — |
| Reactant | 2-(4-Nitro-benzyl)-isoindole-1,3-dione | HCID 270867 | — |
| Reactant | p-Toluenesulfonic acid monohydrate | HCID 521998 | — |
| Solvent | Tetrahydrofuran | HCID 8028 | — |
| Product | 4-Nitrobenzylamine | HCID 29147 | 86.3% |
Reaction Steps
2-(4-Nitrobenzyl)isoindoline-1,3-dione (1.4 g, 4.96 mmol) was dissolved in tetrahydrofuran (8 mL). To the solution hydrazine monohydrate (1.48 mL, 19.84 mmol) and p-toluenesulfonic acid monohydrate (94 mg, 0.5 mmol) was added. It was refluxed for 6 h. TLC showed complete consumption of starting material. The mixture was extracted with ethyl acetate and washed with water and brine. The extract was dried over magnesium sulfate and concentrated under reduced pressure. The crude was purified by column chromatography to give (4-nitrophenyl)methanamine (651 mg, 86%).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08937092B2 |
| Source dataset | uspto-grants-2015_01 |
| ORD ID | ord-f62e9ac3a4744fdcbd9eb06eefb3c6f1 |
| Source note | uspto-grants-2015_01 |