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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 855097Generated: October 29, 2026

Bromine → 5-bromo-2-hydroxy-3-methylbenzaldehyde

https://huagongshe.com/reaction/855097

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBromineHCID 24408—
Reactant3-MethylsalicylaldehydeHCID 522777—
SolventAcetic AcidHCID 176—
SolventWaterHCID 962—
Product5-bromo-2-hydroxy-3-methylbenzaldehydeHCID 275701688.6%

Reaction Steps

The solution of 2-Hydroxy-3-methylbenzaldehyde (1.0 g, 7.35 mmole) in acetic acid (6 mL) was cooled to 0° C. (ice bath). Bromine (1.36 g, 8.52 mmole) was added dropwise and allowed to stir for 2 hours. The reaction was warmed to room temperature and diluted with water (100 mL) yielding a light orange precipitate. The solid was filtered and washed with water (10 mL). Dried on high vacuum to give a light brown solid (1.4 g, 88.6%). 1H NMR (CDCl3/400 MHz) 11.16 (s, 1H), 9.79 (s, 1H), 7.48 (s, 1H), 7.46 (s, 1H), 2.23 (s, 3H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07259266B2
Source datasetuspto-grants-2007_08
ORD IDord-2129189d30cf43e9beacb6550c373296
Source noteuspto-grants-2007_08