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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 726894Generated: October 30, 2026

Nitric Acid → 3-Ethoxy-4-hydroxy-5-nitrobenzaldehyde

https://huagongshe.com/reaction/726894

Reaction equation

Participants

RoleNameHCIDCharge
ReactantNitric AcidHCID 944—
ReactantEthylvanillinHCID 8467—
SolventDichloromethaneHCID 6344—
Product3-Ethoxy-4-hydroxy-5-nitrobenzaldehydeHCID 584878—

Reaction Conditions

Temperature3 °C

Reaction Steps

Fuming nitric acid (22.0 mL) was added (rate approx. 1.5 mL/min) to a stirred solution of 3-ethoxy-4-hydroxybenzaldehyde (83.0 g) in dichloromethane (400 mL) at 5°-10° C. Thereafter the mixture was stirred for 30 min at 3° C. and then filtered. The product was washed with dichloromethane and water and dried in vacuo at 50° C., yield 77.8 g (73,7%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05710343
Source datasetuspto-grants-1998_01
ORD IDord-bb4dd3b4437645d2b68d32ae6430f5a3
Source noteuspto-grants-1998_01