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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2427489Generated: November 1, 2026

Nitrosylsulfuric acid → 4-Bromo-2-methoxy-6-methylbenzoic acid

https://huagongshe.com/reaction/2427489

Reaction equation

Participants

RoleNameHCIDCharge
ReactantNitrosylsulfuric acidHCID 82157—
ReactantHCID 57949645HCID 57949645—
SolventWaterHCID 962—
SolventDichloromethaneHCID 6344—
Product4-Bromo-2-methoxy-6-methylbenzoic acidHCID 4548038696%

Reaction Steps

4-Bromo-2-methoxy-6-methylbenzamide (2.0 g, 8.2 mmol), dissolved in CH2Cl2, was added dropwise to nitrosyl sulfuric acid (14.0 mL) in water (6.0 mL) at 0° C. and stirred for 2 hours. The reaction mixture was poured over ice and extracted with CH2Cl2, and the solvent was removed under reduced pressure to afford a light pink solid (1.93 g, 96%). 1H NMR (300 MHz, CDCl3): δ 7.07 (s, 1H), 7.00 (s, 1H), 3.93 (s, 3H), 2.46 (s, 3H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07968570B2
Source datasetuspto-grants-2011_06
ORD IDord-275a25ad57844f80b74d5fa2acd944ae
Source noteuspto-grants-2011_06