HuagongsheHuagongshe Chemistry Print Report · For research reference only
Methyl 5-hydroxy-4-methoxy-2-nitrobenzoate → Methyl 2-amino-5-hydroxy-4-methoxybenzoate
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Methyl 5-hydroxy-4-methoxy-2-nitrobenzoate | HCID 53396387 | — |
| Reactant | HCID 178418361 | HCID 178418361 | — |
| Catalyst | Palladium | HCID 23938 | — |
| Solvent | Ethyl Acetate | HCID 8857 | — |
| Product | Methyl 2-amino-5-hydroxy-4-methoxybenzoate | HCID 23132492 | 92% |
Reaction Steps
According to the procedure described in Example 6A Step 3, a mixture of methyl 5-hydroxy-4-methoxy-2-nitrobenzoate (3.88 g, 17.1 mmol) and Pd/C in EtOAc (100 mL) was stirred under 1 atmosphere of hydrogen at room temperature overnight, to afford methyl 2-amino-5-hydroxy-4-methoxybenzoate as a solid (3.1 g, 92%). 1H NMR (300 MHz, DMSO-d6) δ 8.31 (s, 1H), 7.08 (s, 1H), 6.31 (s, 1H), 6.24 (s, 1H), 3.74 (s, 3H), 3.72 (s, 3H).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US09320739B2 |
| Source dataset | uspto-grants-2016_04 |
| ORD ID | ord-60f8fd61f31448dc9728271d09f1887a |
| Source note | uspto-grants-2016_04 |