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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2204674Generated: November 1, 2026

Acetic Anhydride → Methyl 2-(acetyloxy)-5-bromo-4-methylbenzoate

https://huagongshe.com/reaction/2204674

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetic AnhydrideHCID 7918—
ReactantMethyl 5-bromo-2-hydroxy-4-methylbenzoateHCID 11425090—
SolventPyridineHCID 1049—
ProductMethyl 2-(acetyloxy)-5-bromo-4-methylbenzoateHCID 6661177697.4%

Reaction Steps

Acetic anhydride (3.06 mL, 32.5 mmol) was added to a solution of methyl 5-bromo-2-hydroxy-4-methylbenzoate (3.98 g, 16.24 mmol), which may be prepared according to procedure described in Description 2, in Pyridine (10 mL) was added. The reaction mixture was stirred for four hours. The solvent was removed in vacuo and the residue was purified by SP4 (10-20% EtOAc/hexane) to yield the desired compound as oil (4.54 g, 97% yield).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09365551B2
Source datasetuspto-grants-2016_06
ORD IDord-4ab2132f0ff043b6be208555c30c74cf
Source noteuspto-grants-2016_06