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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 631205Generated: October 25, 2026

Methyl 5-hydroxy-4-methoxy-2-nitrobenzoate → Methyl 2-amino-5-hydroxy-4-methoxybenzoate

https://huagongshe.com/reaction/631205

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethyl 5-hydroxy-4-methoxy-2-nitrobenzoateHCID 53396387—
ReactantHCID 178418361HCID 178418361—
CatalystPalladiumHCID 23938—
SolventEthyl AcetateHCID 8857—
ProductMethyl 2-amino-5-hydroxy-4-methoxybenzoateHCID 2313249292%

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

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09320739B2
Source datasetuspto-grants-2016_04
ORD IDord-60f8fd61f31448dc9728271d09f1887a
Source noteuspto-grants-2016_04