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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 493619Generated: October 25, 2026

Water → 2-Bromo-N-(2,4-dimethoxybenzyl)prop-2-en-1-amine

https://huagongshe.com/reaction/493619

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantTriethylamineHCID 8471—
Reactant2,3-DibromopropeneHCID 10552—
Reactant2,4-Dimethoxybenzylamine hydrochlorideHCID 3084343—
SolventDichloromethaneHCID 6344—
Product2-Bromo-N-(2,4-dimethoxybenzyl)prop-2-en-1-amineHCID 2229321950.3%

Reaction Steps

Triethylamine (16.0 mL, 114 mmol) was added to a solution of 2,4-dimethoxybenzylamine hydrochloride (11.1 g, 54.5 mmol) and 2,3-dibromopropene (10.9 g, 54.5 mmol) in dichloromethane (200 mL). After 18 h, water was added and the mixture was extracted with dichloromethane (3×). The combined organic extracts were washed with saturated brine, dried over magnesium sulfate, filtered and concentrated. Purification by silica gel chromatography [100% dichloromethane→95% dichloromethane/5% (10% ammonium hydroxide/methanol)] gave the title compound (7.85 g).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07534784B2
Source datasetuspto-grants-2009_05
ORD IDord-c58d0d1604e945c3b76ed8c64a84baa0
Source noteuspto-grants-2009_05